NATIONAL CENTER Series 21 

For HEALTH STATISTICS INumber 4 

VITAL and HEALTH STATISTICS 

DATA FROM THE NATIONAL VITAL STATISTICS SYSTEM 

Weight at Birth and 

Survival of the Newborn 

By Geographic Divisions and 

Urban and I?urai Areas 

United States, Early 1950 

Statistics derived from vital records on neonatal mortality by weight at birth, by color and sex, for infants 

born in “the United States, during the first 3 months 

of 1950, by geographic divisions and by urban and 

rural areas. 

Washington, D.C. July 1965 

U.S. DEPARTMENT OF 

HEALTH, EDUCATION, AND WELFARE Public Health Service 

Anthony J. Celebrezze Luther L. Terry 

Secretary Surgeon General 
This report was originally published in Vital Statistics—Special Repoyts, 

Vol. 45, No. 10 (April 1957). Since the data presented and analyzed in 

the report are of continuing importance, it has been reprinted in Vital 

and Health Statistics without change. 

, 

Public Health Service Publication No. 1000-Series 21-No. 4 

For sale by the Superintendent of Documents, U.S. Government Printing Office 

Washington, D.C., 20402- Price 30 cents 
NATIONAL CENTER FOR 

FORREST E. LINDER, 

THEODORE D. WOOLSEY, 

OSWALD K. SAGEN, PH. D., 

WALT R. SIMMONS, M.A., 

HEALTH STATISTICS 

PH. D., Director 

Deputy Di?vctor 

~f$zka?zt Director 

statistical Advisor 

ALICE M. WATERHOUSE, M. D., Medical Advisor 

JAMES E. KELLY, D.D.S., Dental ~dvijor 

LOUIS R. STOLCIS, M.A., Executive Oficer 

D1VIS1ON OF VITAL STATISTICS 

ROBERT D. GROVE, PH. D., Chief 

— —. ANDERS S. LUNDE, PH. D., Aistant Chief 

Public Health Service Publication No. 1000-Series 21-No.4 
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CONTENTS 

Text 

Page 

Introduction 

Basis of study 

Registration completeness--------------

Geographic” divisions 

General statistics by-mr&T 

em------------------------------------­

f Plurality 

‘“ at death 

~meof death--- ------” ~tan

$rban-ruraland metro ­

nonmetropolitan areas 

Table 

155 

155 

155 

156 

156 

159 

159 

160 

162 

163 

/“ Page 

General statistics by race--— 163 

Attendant---------------------------—-- 168 

Summary ---------------------------------- 1’71 

Explanatory notes 172 

Distribution of “not stated* 

birth weights 172 

Classifications ---------— 173 

Seasonal@----------------------------- 174 

Chance variation 1’75 

Problems in residence “ 

reporting ---. --------------------—--- 175 

Text Tables 

Page 

A. Percent completeness of birth registration, by race, for urban and rural areas in 

metropolitan and nonmetropolitan counties and for geographic divisions: United 

States, January lto March 31,1950 156 

B, Medianbirth weights (ingrains) of liveborn infants by race: United States and 

each geographic division, January lto March 31, 1950------------------------------------ 157 

c. Median birth weights (ingrains) of liveborn infants bysex UnitedStates and 

each geographic division, January lto March 31, 1950------------------------------------ 159 

D. Median birth weights (ingrains) of liveborn infants by race,’for urbanarid rural 

areas in metropolitan and nonmetropolitan counties: United States, January lto , 

March 31, 1950 164 

E. Percentage distribution oflive birthsby Iive-birth order and race, for urban and 

rural areas in metropolitan and nonmetropolitan counties: United States, 1950------------ 165 

F. Percent of live births in hospitals by race, for urban and rural areas in 

metropolitan and nonmetropolitan counties: United States, January lto March 31, 1950--- 166 

G. Median birth weights (ingrains) of liveborn infants ,byrace and attendant at birth, for 

urban and rural areas in metropolitan and nonmetropolitan counties: United States, 

January lto March 31, 1950 169 

H. Percent oflive births with birth weights of2,500 grams or less and neonatal 

mo,rtality rates: United States and each geographic division, January lto March 31, 

1950, and calendar year l95&------------------------------------------------------------ 175 

J. Percent difference between registered live births and estimates oflive births -

adjusted for misreportingof residence, by race, for urban and rural areas in 

metropolitan and nonmetropolitan counties: United States, 1950 176 

K. Neonatal mortality rates byrace, for urban and rural areas in metropolitan and 

nonmetropolitan counties: United States, January lto March 31, 1950, 

and calendar year 1950 176 

153 
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Figures 

Figure 

1.	 Selected birth weight statistics —comparison of data for geographic divisions and 

the United States, Januarylto March 31, 1950 -----------------------------------------

2.	 Mortality rates at specified ages under 28 daysby birth weight and race—comparisonof data for geographic divisions and the United States, January lto 

March 31, 1950 

3. Percent of live births of second and higher orders for 1950 and median birth 

weights	 for January 1 to March 31, 1950, by race —comparison of data for 

urban-rural areas with data for the United States 

4.	 Selected birth weight statistics —comparison of data for urban-rural areas 

With data fOr the United States, January 1 to March 31, 1950 -_----_ -_--_ ------------_,---

General Tables 

Table 

1. 

2. 

3. 

4. 

5. 

6. 

7. 

8. 

9. 

10. 

11. 

12. 

13. 

14. 

15. 

16. 

Live births by birth weight, race, and sex: United States and each geographic division, 

January 1 to March 31, 1950 

Percentage distribution of live births by birth weight, by race and sex United 

States and each geographic division, January 1 to March 31, 1950 

Deaths under 28 days by birth weight, race, and sex United States and each 

geographic division, January 1 to, March 31, 1950 

Neonatal mortality rates by birth weight, race, and sex: United States and each 

geographic division, January 1 to March 31, 1950 

Live births by birth weight, race, and pluralitY of birth: United States and each 

geographic division, January lto March 31, 1950-----------------------------------------

Percentage distribution of live births by birth weight, by race andpluralityof 

birth: United States andeach geographic division, January lto March 31, 1950 

Deaths under 28 days at birth weight, race, and plurality of birth United States 

andeach geographic division, January lto March 31, 1950 -------------------------------

Neonatal mortality rates by birth weight, race, and plurality of birth: United 

States andeach geographic division, January lto March3l, 1950 

Deaths under 28 days by birth weight, age, and race: United States and each 

geographic division, January lto March 31, 1950 ----------------------------------------

Mortality rates at specified ages under 28 days by birth, weight and race: 

United States andeach geographic division, January lto March3l, 1950 

Deaths under 28daysfrom selected causes, by birth weight and race: United 

states andeach geographic division, January lto March3l, 1950 

Neonatal mortality rates for selected causes, by birth weight and race: United 

States mdeachgeographic division, January lto March 31, lg50 

Live births by birth weight, race, and attendant, forurban and rural areas in 

metropolitan and nonmetro~litan counties: United States, January 1 to 

March 31, 1950 

Percentage distribution of live births by birth weight, byrace and attendant, 

for urban and rural areas inmetropolitan andnonmetropolitan counties: 

United States, January lto March 31, 1950-----------------------------------------------

Deaths under 28 days by birth weight, race, and attendant, for urban and rural 

areas in metropolitan and nonmetropolitan counties: United States, 

January 1 to March 31, 1950 -------------------------------------------------------------

Neonatal mortality rates by birth weight, race, and attendant, for urban and 

rural areas in metropolitan and nonmetropolitan counties: United States, 

January 1 to March 31, 1950 -------------------------------------------------------------

154 

Page 

158 

161 

166 

167 

178 

179 

181 

182 

184 

185 

187 

188 

190 

194 

198 

204 

210 

212 

214 

217 
Weight at Birth and Its Effect on Survival of the Newborn: 

United States by Geographic Divisions and by 

Urban and Rural Areas, Early 1950 

By Jeanne Unger, Analytical Statistician


INTRODUCTION 

This is the third in a series of reports inwhich 

weight at birth is introduced as a characteristic in 

the study of births between January 1 and March 31, 

1950, and neonatal deaths among this group. In the 

earlier reports details were given for the country 

as a whole by race, sex, plurality, attendant at 

birth, cause of death, and age at death. In this report somewhat less detail is shown for the United 

States by type of area (urban, rural) and for geographic divisions. 

Since 1950 there has been some reduction in 

neonatal mortality in the United States and in all 

sections of the country, but the risk of dying at this 

critical time of life is still much greater, than at all 

except the very old ages. 

The freqg:ncy of immature birth is one factor 

that is of prime importance-fi-considering “mortality 

among the newborn because such a large segment— 

about ho-thirds--of neonatal deaths in the United 

States occur among these small children. In this 

report, comparison of the experience in various 

sections and areas of the Nation, with regard to incidence of immaturity and mortality at immature as 

well as at heavier weights, is of iqterest in interpretingthe differences in overall neonatal mortality 

in these areas. The information also has significance in relation to differences in composition of 

the population, in fertility patterns, and in the level 

of care at childbirth. In this report, demographic 

and related data have been referred to only in discussing variations found among urban and rural 

areas. 

Basis of study 

With the addition of the item’ ‘birth weight” to 

practically all State certificates of birth in 1949, the 

development of data for this characteristic on a 

national basis became possible for the first time. 

Annual data on births by weight have been published 

since 1950. From a special study covering births 

in the first quarter of 1950, of which this report is 

a part, data are available on neonatal deaths as well 

as live births by birth weight. The opportunity to 

obtain information on mortality in the neonatal 

period in’relation to weight at birth was afforded by 

the matching of neonatal death records with corresponding birth records, incidental to a test of birth 

registration completeness.1 

All birth and related death certificates filed in 

the United States for children born between January 

1 and March 31,1950, except those for residents of 

Massachusetts, are included in the study group. 

Certificates relating to residents of Massachusetts 

were omitted since this State did not require the 

reporting of birth weight. This omission biases the 

information for the New England Division somewhat. 

In lanuary to March 1950, the neonatal mortality 

rate for New England including Massachusetts was 

19.0 as compared with 20.1 for New England exclucling Massachusetts. Corresponding rates for the 

United States including and excluding Massachusetts 

were 19.9 and 20.0, respectively. 

Registration completeness 

A test of birth registration completeness covering the period of this study indicated that practicably 

all (98.6, percent) of the white births and 93.5 per -

cent of the nonwhite were registered. Data on birth 

registration completeness by certain of the classifications studied in this report are shown in table A. 

No definitive information is available on the 

completeness of death registration, but is it thought 

to vaxy generally as birth registration completeness. Since there is probably a slight bias in the 

direction of underreporting of small infants who 

died immediately after birth or in reporting some 

of them as fetal deaths, understatement of the proportion of infants at the low weights and of the mortality rates at these weights and at the younger ages 

may result. This bias’mg situation would, it seems 

likely, generally be of greater significance in areas 

with low birth registration completeness. 

******* 

For other explanatory material relating to 

qualifications, adjustments, and classification of 

data, see Explanatory Notes. 

lFor details on the procedures in the IIIatChing.


see National Office of Vital Statistics, “Weight


at Birth and Its Effect on Survival of the Newborn


in the United States, Early 1950,’ ‘ Vital Statis­


tics --Special Reports, Vol. 39, No. 1, 1954.


155 
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156 VITAL STATISTICS-SPECIAL REPORTS 

TABLE A. PERCENT COMPLETENESSOF BIRTH REGISTRA- Areas having the maximum problem with reTION, BY RACE, FOR URBAN AND RURAL AREASIN MliTRO- gard to immature birth differed for the white ahd 

POLITAN AND NONMETROPOLITANCOUNTIES AND FOR GEO- nonwhite groups. For the white group, the proporGRAPHIC DIVISIONS: UNITED STATFS, JANUARY 1 TO tion of children weighing 2,500 grams or less at 

MARCH 31, 1950 ,... birth was particularly high in the Mountain Divi­

(By place of residence) sion— 9.1 percent. Other divisions in which the corresponding proportion was also somewhat above the 

Non - national average include the Middle Atlantic, the 

AREA Total White white South Atlantic, and the Pacific. 

For the nonwhite group, premature births occurred most frequently among children born to resiUNITED STATES 97.9 98.6 93.5 dents of the following” division&—New England, 

Middle Atlantic, and East North Central. ln these 

Urban 98.9 99.3 96.4 divisions the proportions of immatures for the 

Rurel 96.5 97.6 90.1 nonwhite and white groups contrasted sharply, the 

nonwhite being as much as double the white. The 

Metropolitancounties 99.2 99.4 97.3 incidence of, immaturity, however, was also someUrb~------------------------ 99.3 99.5 97.7 what higher among nonwhite than among white births 

Rursl------------------------ 98.8 99.1 95.1 in all other divisions. 

Other important differences in birth weight re- Nonmetropolitancoutities - 96.4 97.5 90.0 late to the frequency of babies of the low mature 

Urban 98.0 98.8 92.3 weights (2,501 to 3,000 grams) and of very he,avy 

Rural 95.6 96.9 89.3 weights (4, 501 grams or more) for whom mortality 

in the neonatal period is substantially greater than 

GeographicDivisions for babies in the more normal range of 3,001 to 4,500 

New ~gl=d 

Middle Atlerkic 

99.7 

99.5 

99.7 

99.6 

99.3 

98.6 

grams. 

The areas having greater proportions of births 

East North Central 99.0 99.2 97.1 at the low mature weights generally corresponded 

West North Central 99.1 99.2 95.4 to those with comparatively high incidence of immaSouth Atlantic 95.7 97.2 92.1 turity. Births at weights of 4,501 grams or more 

East South Central 96.2 96.5 95.5 occurred more frequently in the 3 Southern diWest South Central 94.8 96.6 88.3 visions (South Atlantic, East South Central, and 

Mountain 96.7 97.9 78.3 West South Central) among both the white and non- Pacific 99.2 99.2 98.2
 white groups. In addition, in each the percentage 

among nonwhite children was about double that for 

the white. In 1 other division, the West North CenGEOGRAPHIC IXVISIOINS tral, the percentage of white children weighing this 

much also exceeded the national average. General statistics by race The peak concentration of bir,ths is found at 

weights 3,001 to 3,500 grams, with the median birth 

Birth distribution. —Of the children born in the w’eights in all divisions exce”pt the Mountain Division 

United States in January to March 1950, 7.4 per- falling somewhat above the midpoint Qf this interval 

cent weighed 2,500 grams or less. A greater pro- (table B). For nonwhite babies, however, it was only portion of the nonwhite children were born at these in the Southern divisions that the median weights
 immaturez weights and also at weights above 4,500 were this high and differed little from the average


grams where the major problems of obstetric and weights of white babies. In contrast, in all other


pediatric care exist. Infants weighing 2,500 grams divisions except the Mountain Division, the median
 or less represented 700 percent of all white live weights for nonwhite babies were between 130 and


births as compared with 9.7 percent of nonwhite. At 200 grams lower.


the highest weight level shown, the percent of non- Mortality. —The risk of death among the new-
 white births (3.8) was double that of the white (1 .6). born varied sharply with birth weight. For children


The proportion Of children born prematurely born between January and March 1950 in the United 

varied appreciably from area to area (table 2), being States, the neonatal mortality fate was 20.0 per highest (9.1 percent) in the Mountain Division and 1,000. For infants weighing 2,500 grams or less, lowest in the West North Central (6.3 percent). however, the rate (173.7) was over 20 times that


(7.8) for mature weight children (table 4). The


2See ~ect~on ~“ Classifications for Usage of weight range for optimum survival was between


terms i<immature, * and $‘premature.‘‘ 3,001 and 4,500 grams. 
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vol. 45, No. 10 WEIGHT AT BIRTH BY 

l’ABI.iE B. mm 13mm WEIGID2S(IN GW) OF LLW2-

BORN INFANTSBY HACE: UNITED STATES AND EACH G80-


GRAPHIC DMSION, JANUARY 1 TO M4RCH 31, 1950


(T& place of residence. Compute& %0 nearest 1(J


grams on basis of exact conversion of interval


limits from pounds a.na ouuces; see section on


Classifications. Birth weights not stated are


distributed)


AREA ToW White	 Ironwhite 

UNITEDSTA’IES1 --_---.- 3,320 3,330 3,280 

New E@anci~----------------- 3,320 3,320 3,180 

Middle Atlantic 3,280 L3,290 3,130


East North Central 3,330 3,340 3,140


West North Central 3,370 3,380 3,210


South Atlantic 3,330 3,320 3,340


East South CentmiL----------- 3,380 3,390 3,360


West South Central 3,360 3,370 3,340


Mountain 3,240 3,240 3,3.90


Pacific 3)300 3,310 3,160
 : 

lE~cl~es tib for wssachuset-ts.


Mortality in the neonatal period in the entire 

country was considerably higher among nonwhite 

than white infants. Nonwhite children weighing 

2,500 grams or less, however, fared somewhat better than the white children of equal size. At higher 

weights, however, the experience for the nonwhite 

infant was particularly unfavorable. 

Areas having the greatest losses during the 

neonatal period did not coincide for immature and 

heavier weight children. At weights of 2,500 grams 

or less the risk of mortaliw was highest in the West 

North Central, Pacific, and East South CentralDivisions. In only one of these divisions, the East South 

Central, was the experience among children weighing 2,5oI ~gramsor moTe comparatively poor. Other 

divisions in which rates for babies of these mature 

weights were also high are the New England,s South 

Atlantic, and West South Central.. 

For the white group, mortality at immature 

weights was least favorable in the West North Central, Pacific, and East South Central Divisions. “At 

weights of 2,501 grams or more the rates were particularly high in the New England tid East South 

Central Divisions. 

3A11 data for New England in this rePOrt exclude


births to residents ,of Massachusetts.


GEOGRAPHIC DIVISION 157 

Considering only divisions with substantial 

numbers of nonwhite births,A nonwhite children of 

immature weights in the South Atlantic Division 

sustained the greatest loss. For the babies weigh: 

ing 2,501 grams or more, the rate in this division, 

and particularly the rate in the East South Central, 

were comparatively high. 

The principal factors reiating to birth weight 

that are responsible for the unfavorable overall 

neonatal mortality rates in the South Atlantic, East 

South Central, and Mountain Divisions may be noted 

in figure 1. In both the South Atlantic and the East 

South Central Divisions high mortality at mature 

weights—among both white andnonwhite children in 

the East South Central but only among nonwhite children ih the South Atlantic-is the significant factor. 

The extremely poor record of mortality in the Mountain Division, however, can be traced in large part 

to the greater proportion of births at weights of 

2,500 grams or less where mortality is so high. 

Turning to the divisions with the most favorable neonataI mortality rates, it is found that in 

one, the Middle Atlantic Division, the chances of 

survival both for the immature and heavier child 

were substantially better than in the country as a 

whole. In the East North Central Division the 

somewhat advantageous experience for mature children and lower frequency of premature birth accounted for the reduced risk in the overall group, 

while in the Pacific Division the exceptionally good 

record for children weighing 2,501 grams or more 

can be pointed to as the significant factor. 

Detailed birth weight data reveal a difference 

that is noteworthy. At 1,000 grams or less the 

rates for 3 of the divisions with generally high 

mortality, namely, the South Atlantic, East South 

Central, and the West Souti. Central were considerably below corresponding rates for the other 6 divisions. In view of the smaller proportions of births 

occurring in hospitals in these divisions, it is possible that this may be indicative of a bias in the 

data due to poorer reporting of babies dying soon 

after birth and may explain some of the reversals 

in comparative mortality between the immature 

and higher weight babies. 

Comparison of mortality among white and nonwhite children in each of the 5 divisions with the 

large?t numbers of nonwhite births also deserves 

some comment. In 2 of these divisions (Middle 

Atlantic and South Atlantic) the risk among non41’he~e di~isi~ns include the Middle Atlantic,


East North Central, South Atlantic, East South


Central, and West South Central.

158 VITAL ST-ATISTICS-SPECML REPORTS 

1 , 

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Vol. 45, No. 10 WEIGHT AT BIRTH BY 

white infants weighing 2,500 grams or less was 

about the same as or higher than that for the white. 

Also, mortality among nonwhite children of mature 

weights in the East North Central Division was 

comparatively less unfavorable than in the other 

areas. 

Birth distribution.—h the country as a whole 

and in each division, male babies weighed on the 

average about 120 or 130 grams more than female 

babies (table C). Differentials in weight extended 

over virtually the entire weight scale. k. terms of 

weight groups that are of particular interest, it 

means that greater proportions of female than male 

children were born at weights under 2,501 grams 

and it was much more likely for a male than for a 

female child to weigh over 4,500 grams (table 2). 

_!@2!Ki” —The overall neonatal mortality rate 

among female babies born in the United States. in 

January to March 1950 was only three-quarters of 

that among male babies. At all but the very low 

and high birth weights the differences between the 

mortality risks of boys and girls were even more 

pronounced. 

In view of the attention being given today to the 

higher death rate found among male than among female btiies, it is of interest to examine data for 

the divisions with respect to variations in comparative mortality (table 4). Both in the white and 

nonwhite groups the disadvantage for the male infant was least in the West South Central Division. 

This was due to smaUer relative differences at all 

‘rABLE c. MEDIAN BIRTE WEIGSTS (IN GRAMS) OF LIVEEORN INFANTS BY SEX: UNITED STATES AND EACH GEOGRAFEIC DIVISION, JANUARY 1 TO MARCH 31, 1950 

(By Place of residence. Computed to nearest 10 

grams on basis of exact conversion of interval 

limfts from pounds end ounces; see -sect!on on


Classifications. Birth weights not stated are


distributed)


AmA TO-W. I

Male ~e 

UNITED smTEsl------- 3,3’20 El= Xew R@.audl----------------- 3,320 3,380 3,260 

Middle Atlmtic 3,280 3,340 3,220 

East Worth Central 3,330 3,390 3,260 

West North Central 3,370 3,440 3,310 

south Atlmtic 3,330 3,390 3,270 

East South Centra3------------3,380 3,450 3,320 

T?estSouth Central 3,360 3,430 3,300 

Mountain 3,240 3,300 3,180 

Pacific 3,300 3,370 3,240 

%xcludes data for hassadms etts.


GEOGRAPHIC DIVISION 159 

weights for the white and at mature weights for the 

nonwhite. The sex differentials in mortality for 

white babies of 2,501 grams or more were also 

comparatively small in the New England and Mountain Divisions. At weights of 2,500 grams or less, 

however, the most unfavorable experience for males 

as compared with females was recorded in the 

Mountain Division. 

It is also interesting to note that, of the 5 divisions with substantial numbers of nonwhite births, 

the sex differentials among the nonwhite at weights 

under 2,501 grams were less in the 3 Southern 

(South Atlantic, East South Central, and West South” 

Central) than in the 2 Northern (Middle Atlantic and 

East North Central) divisions. An explanation for 

this would have to take into account differences in 

fetal mortality. 

Plurality 

Birth distribution. —Members of pluzzal sets 

represented only 2.0 percent of all live births in 

the United States in January to March 1950, but 

they accounted for 14.8 percent of the children 

weighing 2,500 grams or less at birth. The contrasts in the weight of babies of single and plural 

deli~eries can be noted from table 6. 

Generally, the ranking of an area according 

to percentage of children of 2,500 grams or less 

corresponded very closely for single and plural 

births. This was true bo’~ in the case of white 

and nonwhite births when the areas studied in the 

latter case are limited to the 5 divisions having 

the largest numbers of nonwhite births. For ‘&e 

white group, 2 of the divisions for which the rankings 

differed most were the New England and the East 

South Centml. In the New England Division the 

percentage of children under 2,501 grams at birth 

among plural deliveries ranked first, while the percentage of single immatures ranked fifth among the 

9 &visions. The reverse situation was found in the 

East South Central Division. These variations 

should be viewed only as siiggestive of possible differences in the handling of plural pregnancies in 

view of the small numbers of plural births in the 

study. 

Mortality.— For the United States, the neonatal 

mortality rate for babies born in multiple deliveries 

was 5 to 6 times the rate for single births. On a 

weight- specific basis, however, the mortality risk 

among plural births was slightly lower than among 

single births at 2,500 grams or less (table 8). Particularly favorable were the rates for babies of 

plural sets weighing between 1,501 and 2,500 grams. 

The disadvantage for children in plural sets as 

compared with those of single births was lowest in 

the New England, Mountain, and Pacific Divisions. 

In these divisions, neonatal mortality among plural 

births was between 4 and 5 times that among the 

789-147 0 -65-2

160 VITAL STATISTICS-SPECIJIL REPORTS 

single. For white births, the corresponding ratio 

was also low, in the South Atlantic .Division. 

With the exception of the Mountain Division, 

the areas mentioned above were also those in which 

the rates for children of plural sets weighing 2,500 

grams or less were most favorable. When the 

weight distributions of plural births in these and 

other divisions are compared, it is seen that 

the favorable rates in the former may be partly 

explained by a comparatively low frequency of 

births at 1,500 grams or less. Babies at these 

low weights, who represent a very poor risk group, 

occurred less often among plural white births in 

the New England, South Atlantic, and Pacific Divisions. Among the nonwhite this explanation also 

applies to the low rates in the Middle Atlantic and 

the West South Central Divisions. 

Small frequencies prevent any detailed comparison of rates for plural births by weight. 

Age at death 

Ln the January through March 1950 study group, 

close to half of the deaths during the first 28 days 

of life occurred before the end of the first day, and 

over four-fifths before the end of the first week. 

The proportions dying this soon after birth varied 

considerably with the weight of the baby, being 

highest for the very small infants. 

For children weighing 2,500 grams or less at 

birth the mortality rate was 97.9 per 1,000 on the 

first day as compzired with” 18.3 at ages 7 to 27 

days (table 10). Corresponding rates for the group 

2,501 grams or more were 2.7 and 1.8. 

For the United States, the lower mortality 

am-ong small nonwhite children in the neonatal 

period is explained wholly by differences in the 

first few days. At subsequent ages, mortality was 

more favorable for the small white infmt. ” For 

babies of 2,501 gram’s or more, the loss among 

the nonwhite exceeded that among the ‘white in the 

early as well as the later days of the neonatal period. 

When data for the white and nonwhite groups 

in each of the five divisions with substantial numbers of nonwhite births are compared, it is seen 

that the lower risk tn the first day found among 

nonwhite immatures in the country as a whole was 

not duplicated in the Middle Atlantic and South Atlantic Divisions. In the latter, mortality this early 

was about the same for white and nonwhite immatures. The particularly heavy losses sustained 

by nonwhite as compared with white infants in the 

SoutiI Atlantic Division during the last 3 weeks of 

the neonatal period- 2* times as high at immature 

weight? and twice as high at weights above this— 

are also notable. 

Considering mortality by age separately for 

white and nonwhite babies, it is seen that some of 

the cohorts had consistently favorable or unfavorable mortality throughout the neonatal period. Thus, 

among white children in the Middle Atlantic Division and nonwhite children in the East North Central Division immature and heavier weight babies 

experienced lower than average mortality both e~ly 

and late in this period. Cohorts with poor records 

during the ent@e neonatal age span both at 2,$00 

grams or les’s and at higher weights were white 

children in the East SoUth Central Division and 

nonwhite children in the South Atlantic. 

In some instances, high overall mortality in 

the neonatal period was accounted for by a disadvantage at a particular age rather than at all 

ages. Such was the case for white children weighing 2,500 grams or less in the Pacific and the West, 

North Central Divisions and those weighing more 

than 2,500 grams in the Mountain and West South 

Central Divisions. In all but the West South Central Division the unfavorable rates for these cohorts were due to excessive mortality in the first 

day or week. 

Reversals in comparative mortality dtiing the 

neonatal period, a relatively high rate at the beginning of life followed by very low’ mortality at later 

ages or extremely low mortality in the first day 

followed by high mortality thereafter-are frequently found to be the pattern for both the immature and higher weight babies in a division 

(figure 2)1 Thus, white children in the West North 

Central and Mountain Divisions and nonwhite children in the Middle Atlantic Division weighing 2,500 

grams or less and 2,501 grams or more both sustained higher than average mortality in the first 

day or week and lower mortality at older ages. 

Contrastingly low mortality at the early ages? and 

high mortality later is found among white and nonwhite ‘infants of all weights in the West South Central Division. 

Without additional information any explanation 

that can be offered for these reversals would be 

speculative. One factor, that may be involved, relates to special programs operating for care of the 

newborn. These programs may have the effect of 

reducing or negating the impact on early mortality 

of socioeconomic differences which may continue 

to exert an important effect on mortality later in 

the neonatal period. 

Other factors that may also be partially responsible relate to completeness of reporting of 

infants dying soon after birth and the comparative 

loss ascribed to fetal as distinguished from neonatal mortality. 
Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 161 

101 
162 VITAL STATISTICS-SPECML / I 

I 

Cause of death interest with. respect to pussible reporting biase,s.. 

The shortcomings of cltnical diagnoses and 

certain other factors relattng to the accuracy and 

consistency of information on causes of neonatal 

death affect interpretation of data by cause for the 

divisions. One factor that probably has an important. bearing on the reporting of cause informatifm 

in the case of neonatal deaths is the proportion of 

births in a division which are nonmedically-attended.s In addition, possible differences among 

the divisions in the manner of certifying cause of 

death for infants in whom no spectfic morbid condition is itetected should also be considered. Categories affected by the latter would be immaturity 

unqualified (776) postnatal asphyxia and atelectasis, 

(762), and tll-deftned and unknown causes. it would 

be expected that for areas as large as divisions 

these differences are of mtnor significance; however, registration practices and certain medical 

and health organizations influencing a wide area 

might have the effect of creating regional variations. 

With the effective control of the infectious diseases, mortality in the neonatal period among cliildren of all weights in this country is related principally to developmental deficiencies present at the 

ttme of birth and to injury sustained in parturition 

(table 12). In the United States and in all divisions 

except the West South Central, the four principal 

causes of death among white tmmatures by order 

of decreasing importance were immaturity unqualified, postnatal asphyxia and atelectasis, other 

birth injuries, and congenital malformations. In 

the West South Central Division, the toll due to 

congenital malformations (750- 759) exceeded that 

ascribed .to other birth injuries (761). 

Despite the general consistency among the 

divisions in the principal causes of neonatal mortality among white immatures, there was substantial variation in the proportionate toll in some 

cases:’ For example, the percentage of neonatal 

mortality due to immaturity unqualified was low in 

the New England and Pactiic Divisions (37’ and 34 

percent, respectively) and high in the West South 

Central Division (51 percent). The situation was 

reversed \with respect to postnatal asphyxia and 

atelectasis with the highest proportions in the New 

England and Pacific Divisions (25 and 27 percent) 

and the lowest in the West ,South Central Division 

(13 percent). The apparent reciprocal relationship 

between proportionate mortality attributed to immaturity unqualified and to postnatal asphyxia and 

atelectasis in these three divisions is of particular 

5F,31.~ detailed discussion on interpretation of


cause of death data, see National Office of Vital


Statistics, :’Relation of Weight at Birth to Cause


of Death and. Age at Death in the Neonatal Period:


United States, Early 1950,’ ‘ Vital St@tistics.—


Special Reports, Vol. 39, NO. 6, 1956.


Its significance Might lie in dtffere~ces k the use 

of terminology rather than any underlying c?d.fferences in clinical manifestations. 

Of ‘the other principal causes among white immatures, the percentage of the neonatal toll due ~to 

other birth injuries varied between 9.8 and 13.3 

percent for all diviqions except the West South Ce& 

tral in which it was somewhat lower (5.9 percen$). 

For congenital ,malformations the proportion ,te 

loss differed little among the divisions, being a1 a 

high of 8.8 percent for the West North Central D~­

vision and lows of between 6.0 and 6,5 percent for 

the South Atlantic, Mountain, and Pacific Division~s. 

The specific causes to which the high mortality rates among white immatures in the East South 

Central, the West North Central, and the Pacific 

Divisions can be attributed varied somewhat.’ For 

the East South Central Division the toll due to immaturity unqualified (86. 1 per 1,000) was particularhy high. Two other causes that can he pointed to 

as coiitributing to the excess in this division, as 

well as in the West North Central Division, are 

congenital malformations and pneumonia of newborn. In the West North Central Division the loss 

due to other birth injuries (25.2) was also relatively 

great. Causes for which high mortality was reported in the Pacific Division include other birth 

injuries (24.4) and postnatal asphyxia and atelec ­

tasis (49.9). 

For one cause, intracranial and spinal injury 

at birth, the lowest rates among white immatures 

were found in the three divisions with the least 

favorable total mortality. This is interesting because a low rate for the category would be expected 

to signify good obstetrical practice. A more favorable rate in the Pacific Diyision for one other 

cause, congenital malformations, is also notable. 

The low neonatal mortality rate for white children under 2,501 grams at birth in the Middle Atlantic Division can be expkained by generally lower 

mortality for all causes rather than by large differences for particular causes. An exception is 

the substantially lower mortality attributed to neonatal disorders arising from maternal toxemia. 

It should also be noted that mortality recorded as 

due to blood dyscrasias in this division was somewhat higher than in the country as a whole. 

Comparison of the principal causes of death 

for nonwhite immatures ‘ in the Southern, Middle 

Atlantic, and East North Central Divisions with 

those for the white indicates Sornz important differences in the ranking of causes other than immaturity unqualified ~d postnatal asphyxia and 

atelectasis. For example, pneumonia of newborn, 

which did not rank as one of the principal causes 

in any division for immature white children, was 

the third most important cause of neonatal death 

for nonwhite children under 2,501 grams at birth 

in the South Atlantic and West South Central Di-
Vol. 45, No. 10 WEIGHT AT BIRTH BY 

visions; In addition, the toll due to intracranial 

and spiiial injury at birth, although not large, ranked 

as the third most important cause tn the Middle 

Atlantic and East North Central Divisions. The 

absence of congenital malformations among the 

principal causes for ‘&e nonwhite groups is also 

noteworthy. 

Small frequencies limit the detail for the nonwb.ite group that can be interpreted meaningfully 

even for the 5 divisions with the largest numbers 

of nonwhite births. Another factor which affects 

interpretation of some of the data by cause for the 

nonwhite group to a much greater degree than for 

the white is the proportion of deaths assigned to 

the residual group, all other causes. Thts category 

represents to a large extent ill-deftned and unlmown 

causes. In all Southern divisions the rates among 

the nonwhite immatures for this category exceeded 

10 deaths per 1,000 live births. 

High rates for other birth injuries and pneumonia of newborn contributed to the excess of mortality recorded for nonwhite infa.ds of 2,500 grams 

or less in the South Atlantic and West South Central 

Divisions. In the South Atlantic Division, the neonatal loss attributed to immahwity unqualified also 

exceeded that in all other divisions. 

A difference similar to that found for white 

births at immature weights may be noted in the 

cause of death data for the corresponding nonwhite 

group. This refers to the reciprocal relationship 

in the toll attributed to timaturity umymlified and 

postnatal asphyxia and atelectasis. In the East 

North Central Division a low rate for immaturity 

unqualified was associated with a high rate for 

postnatal asphyxia and atelectasis. 

In all divisions the four cases which accounted 

for the greatest toll among white infants of 2,501 

grams or more at birth were congenital malformations, intracranial and spinal injury at birth, 

other birth injuries, and postnatal asphyxia and 

atelectasis. The rate for congenital malformations 

ranked highest and that for other birth injuries 

lcwest in all but the New England Division where 

the loss attributed to intracranial and spinal injury 

at birth was sLightly less than that due to other birth 

injuries. 

For specific causes of death other than intracranial and spinal injury at birth, the rates for 

white children with bir$th weights of 2,501 grams 

or more in the New England Division were as high 

as or exceeded the corresponding rates in all other 

divisions. The loss attributed to intracranial and 

spinal injury at birth in this division, however, was 

low (0.8). 

The poorest mortality experience in the neonatal period for white children above the immature 

level was recorded in the East South Central Division. Yet, most rates for specific causes tn this 

division were below those in New England. It is 

assumed that better diagnoses of the causes of neoGEOGRAPHIC DIVISION 163 

natal death in the East South Central Division would 

raise the specific rates and also reduce the high toll 

attributed to all other causes. 

For most causes the rates for white infants of 

2,501 grams or more at birth were at a minimum 

in the Pacific Division, where total neonatal mortality for this group was also lowest. Exceptions 

me the slightly lower rates relatiig to congenital 

malformations and postnati+ asphyxia and atelectasis in the West South Central Division. Considering the high rate in the latter division for the 

residual group, all other causes, however, it is 

possible that these exceptions have significance 

only in terms of reporting differences. 

The cause-specific rates for the Middle Atlantic Division, another area where white tnfants 

at weights above 2,500 grams experienced comparatively favorable mortality, were generally the 

same as or slightly higher than in the Pacific Division. The principal difference is found in intracranial and spinal injury at birth (1.1 for the Middle 

Atlantic and 0.7 for the Pacific). 

A parallel can be drawn betieen the experience 

of white and nonwhite idants at weights over 2,500 

grams with that at immature weights. For the 

mature as well as the immature child, congenital 

nxdformations were of less importance and pneumonia of newborn of more importance for the nonwhite infants. In all of the Southern divisions, pneumonia of newborn ranked second as a cause of death 

among nonwhite bsbies of 2,501 grams or more. R 

is interesting to note, however, that in the East 

North Central Divtsion, where the overall rate for 

nonwhite children above the immature level was 

most favorable, the ranking of the principal causes 

coincided with that for the corresponding white 

group. 

URBAN-RURAL AND METROPOIJTANNONMETROPOUTAN AREAS6 

General statistics by race 

The pattern of life in urban as compared with 

rural areas and the characteristics of residents of 

these areas are known to differ. Certain of the 

differentials, for example, those relating to availability and use of facilities for good prenatal care, 

to socioeconomic factors, and to demoqaphic characteristics (such as, race, nativity, and birth order) 

are ltkely to have a bearing on the comparative 

birth weight and mortality of babies born in the 

areas. 

6For definitions of these areas and exposition 

of erro”rs in reporting residence, see Explanatory 

Notes. 
-----------

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------------------------

164 VITAL STATISTICS-SPECIAL REPORTS 

---1 

Another factor in which a differential may be 

found between urban and rural areas that would 

affect comparative weight data is underreporting 

of low weight infants who die immediately after 

birth or reporting them as fetal deaths. A presumption of this type of difference is based on the 

lower percentage completeness of registration of 

live births in rural than in urban areas. 

Similar comments apply to comparative birth 

weight data for metropolitan or nonmetropolitan 

counties. As indicated in the Explanatory Notes, 

the metropolitan counties are those” counties which 

are oriented to large cities. Cross-classification 

of the cowty grouping wiw the, urban-rural categories helps to delineate types of areas. For instance, the population of rural areas of nonmetropolitan counties represents a more truly rural 

population than that of all rural areas. In contrast, 

the metropolitan-rural classification is comprised 

in large part of suburban and other populations to 

whom hospital and medical facilities of the larger 

urban areas are readily available. 

Birth distribution. -The percentage distributions in table 14 indicate that babies born to residents of rural areas generally weighed somewhat 

more at birth than did babies born to urban area 

residents. In terms of median birth weights, infants in rural areas weighed on the average 3,380 

grams as compared with 3,290 grams for urban 

resident births (table D). 

The higher incidence of immaturity in the 

urban areas, 7.8 percent, as compared with 6.7 

percent for the rural areas is of particular concern 

both because of the special care needed by these 

small infants and the greater mortality risks for 

the group. Other weight groups that are of significance because of relatively poor prognosis for the 

neonatal period are 2,501-3,000 grams and 4,501 

grams or more. Slightly larger percentages of 

urban (19.6) than rural (16.0) births occurred at 

weights 2,501-3,000 grams; however, at’ the very 

heavy weights (4,501 grams or more) the percentage 

for rural areas (3.1) exceeded that for urban areas 

(1.4). 

The birth weights of babies in urban and rural 

areas contrasted much more sharply for the nonwhite than the white. Children weighing 2,500 

grams or less at birth accounted for 11.2 percent 

of nonwhite births in urban areas as compared with 

only 7.8 percent in rural areas. The corresponding 

percentages for the”white group were 7.3 and 6.5, 

respectively. Furthermore, the median birth 

weights in urban and rural areas differed by only 

70 grams for white children as against 220 grams 

for nonwhite. 

Variations tn birth weight between urban and 

rural areas may b? partly explained by differentials 

tn parity of the women gtving birth. Bikth order 

and its relation to birth weight has been the subject 

TMBIJI D. MEDIAN BIRTR WEIGRTS (IN GRAMS) OF LIVEBORN INFANTS BY RACE, FOR URBAN AND RURAL ~1$ 

IN 14ET’ROPOLQTANAND’ NONME?IROPOLITANCOUNTIFS:


UNITED STATES, JANUARY 1 TO MARCH 31, 1950


(By place of residence. Computed to nearest 10


grams on basis of exact conversion df interval


limits from pounds and ounces; see section on


Classifications. Birth weights not stated are


tistr.ibuted.Excludes data for Massachusetts
)


AREA Total


AIL COUNTIES 3,320 

Urban 3,290


Rural------------------------3,380


Metropolitancounties 3,290


Urban 3>280


Rural------------------------3,330


Nonmetropolitsncounties- 3,370


Urban------------------------3,320
 ~r~------------------------ 3,400


Non- White white 

3,330	 3,280


—,


3,300 3,190


3,370 3,410


3,300 3,160


3,300 3,150


3,,330 3,260


3,360 3,410,


3,320 3,320


3,390 3,440


of many investigations.q These studies have shown 

that, on the average, birth weight varies directly 

&ith birth order. Babies of the lower birth orders 

tend to be lighter than. the babies of higher btrth 

orders. . 

From table E it can be seen that the birth 

order pattern in 1950 differed considerably for, 

urban and rural areas. When these differences are 

related to the variations in birth weight, it is found 

that, just as greater proportions of births to rural 

areas residents are of higher birth order, so 

greater proportions of these b~ths occurred at 

higher weights. 

The pattern of variation of median bir~ weights 

with type of ai’ea diverged somewhat for the white 

and nonwhite groups. In the white group, the median 

birth weight for nonmetropolitan urban areas was 

intermediate between the situation found in urban 

areas of metropolitan counties and in rural areas 

7Mc Keown, Thomas, and Gibson. J. R., ‘‘observations On All Births (23,9,70)In Birmingham,1947,‘‘


British Journal of So,cialMedicine, Vol. 5, No. 2,


PD. 98, April 1951; Van Gelderen, H. H., Posthuma,


J. Hsrmana, and De Haas, J. H., ‘‘Geboortegew#cht


en Draematuritas in Nederland,‘‘ Ti’jdschriftv. 

Sot. Geneeskunde, PP. 443-454, November 19, 1954; 

Bromberg,Y. M. , HaleVi, H. S., and Brzezinski,A., 

‘‘studies in Anthropometry of Jewish Infants in’


Palestine,’‘ American Journal of Physicai Anthro­


pology> vol. 9, No. 3,PP.” 307, September 1951.

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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DMSION 165 

TABLE E. PERCENTAGEDISTRIBUTIONOF LI?LE BZRTHS BY LIVE-BIRTH ORDER AND RACE, FOR URBAN AND RURAL AIC3AS 

IN M6TROFOLITANAND IiONMETROFOLITANCOUNTIES:UNITED STATES, 1950


(BYplace of residence. Live-birthorder refersto number of childrenborn alive to mother. In computing 

percents, births of order not stated were omitted, includingbirths that occurre&inMe.ssacksettswhich 

did not require reporting of birth omier) 

-—— ——— .--— JJVE-BIKTM UHIJMK


AREA AND RACE Total. 

1st 2d 4th 5th jth and 8th and 

7th “over -

ALL COUNTIES-------------- 100.0 31.6 30.3 17.4 8.6 4.5 4.4 3.2 

Wh.tte 100.0 32.6 31.6 3-7.5 8.2 4.0 3.6 z.4 

Nonwhite 100,0 25.1 22.3 16.7 11.1 7.5 9.0 8.4 

Urban 100.0 34’.8 32.2 17.1 7.7 3.6 2.9 1.7 

White----- 100.0 35.9 

Nonwhite 100.0 28.1 

-red 100.0 26.7 

Whi$e----- 100.0 27.7 

Nonwhite 100.0 20.% 

. 

Metropolitancounties 100.0 34.1 

White----- 100.0 35.1 

Nonwhite-- 100.0 28.0 

Urban 100.0 35.6 

White----- 100.0 36.7 

Nonwhite-- 100.0 28.8 

Wd--------------------------- 100.0 28.4 

White 100.0 28.9 

Nonwhite-- 100.0 22.2


Nonmetropolitancounties---- 100.0 28.6


White----- 100.0 29.7


Nonwhite 100.0 22.1


Urban---------------------------- 100.0 32.9


White----- 100.0 33.8


Nonwhite-- 100.0 26.0


Rural 100.0 26.1


White 100.0 27.3


Honwhi.te-- 100.0 20.6


ofthese counties. From figure 3 it is seen that 

the percentage of btrths of second and higher orders 

varied in like manner. 

In contrast,, among the nonwhite there was 

closer similarity between the median weights of 

babies born to urban and rural residents of metropolitan counties than between those for urban area 

residents of the two types of counties. On the basis 

of birth order data alone, a relationship corresponding to that for the white Roup would be expected. .This conflict, in combination with the much 

lower incidence of immature birth among nonwhite 

babies in nonmetropolitan as opposed to metropolitan counties aid the relatively poorer record 

on btrth registration completeness in the nonmetropolitan counties suggests a possible biasing effect 

due to underreporting of the small babies in nonmetropolitan counties. One observation that would 

33.4 L7.0 7.2 3.1 2.3 1.2 

25.0 17.8 11.o 6.7 6.9 4.5 

27.5 17.9 loo 5.9 6.5 5.6 

29.0 18.3 9.8 5.4 5.5 4,2 

18.6 15.2 11.1 8.5 12.0 13.7 

32.4 17.3 7.8 3.6 3.0 1.7 

33.5 17.3 7.3 3.2 2.4 1.3 

25.2 17.9 10.9 6.7 6.8 4.6 

32.7 16.9 7.4 3.4 2.7 1.4 

33.9 16.7 6.9 2.9 2.0 1.0 

25.8 18.0 10’.8 6.4 6.3 3.9 

31.2 19.1 9.3 4’.7 4.3 3.0 

32.1 19.3 9.1 4.4 3.8 2.4 

20.6 16.5 J.1.4 8.5 10.5 10.4 

27.9 17.4 9.6 5.5 6.0 5,1 

29.4 17.8 9.3 5.0 .5.1 3.8 

19.4 15.5 11.2 8.3 SL.3 12.2 

31.0 1?.5 8.4. 4.1 3.7 2.4 

32.1 17.6 7.9 3.7 3.1 1.9 

22.3 16.9 11.7 7.7 8.6 6.8 

26.1 17.4 10.3 6.3 7.3 6.5 

27.7 17.9 10.1 5.9 6.2 4.9 

18.3 14.9 11.1 8.6 12.2 14.3 

tend to discount the importanceof the biasing situation (especially at 1,501 to 2,500 grams), however, 

is the continuity of differences at weights beyond 

the premature. 

Comparison of the median birth weights of 

white and nonwhite children for the area categories appearing in table D indicates that only in 

urban and rural areas of metropolitan counties did 

the nonwhite baby” weigh on the average less than 

the white baby. For the nonmetropolitan county 

groups the average weight was about the same as 

or greater for nonwhite than for white babies. In 

all areas, however, the incidence of immature 

btrth in the nonwhite group” exceeded that in the 

white but the gap varied markedly-from a difference of 4,5 percentage points tn urban areas of 

metropolitan counties to only 1.1 points in rural 

areas of nonmetropolitan counties. 
.

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------------------------

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------------------------

166 VITAL STATISTICS -SPECML REPORTS 

FIGURE 3 

Percent of ?&e Births d ‘Second and Higher Ckbs for 1950 cd Median 

Birth Weights for January 1 to Mad 31, 1950, by Race-Comparison 01 Data 

for l.hban-t?t.md Arcms ‘t/VW !&am for the United States 

[PERCENT DIFFERENCES BASED ON FIGURES FOR THE UNITED STATES) 

WH?TE NONWHITE 

PERCENT” OF MEDIAN PERCENT OF 

BIRTHS OF 2d AND BIRTH WEIGHT BIRTHS OF 2d ANO 

HIGHER ORDERS (U.S. MEDIAN HIGHER ORDERS 

(U.S. PERCENT 67.4) 3,330 GRAMS) (U.S. PERCENT 74.9) 

Percent difference Percent dlffer$nco Percent difforenm 

105. 5 10 05 -0+ 5 10 

MEDIAN 

EIRTH WEIGHT 

(U.S. MEOIAN 

3,280 GRAk.) 

Percent difference 

10 s -0+ 5 10 

...

:/;:,, 

y ,,f ,,,;4, 

? 

METROPOLITAN 

NON METROPOLITAN 

METROPOLITAN 

NONMETROPOLITAN 

COUNTIES 

COUNTIES 

COUNTIES 

URBAN 

RURAL 

COUNTIES 

URBAN 

RURAL 

, ; , ?’, .:/:..$ 

3+ 

b 

Mortality. —Hospital care at birth is more frequently received in urban than in rural areas and in 

rnetroio!itan than in nonmetropolitan counties. 

Since this is sometimes used as an index of the 

availability and use of good medical care, it is of 

interest to relate the mortality experience among 

the newborn in the different area classifications 

(table 16) to the percentages of births hospitalized 

(table F). 

For the babies born in the first 3 months of 

1950, the overall neonatal mortality rates were 

somewhat more favordble in urban areas (19.7) and 

in metropolitan counties (19.2), where hospitalization for birth was also more frequent, than in rural 

areas (20.4) and nonmetropolitan counties (20.9 ).8 

The variation in mortality, however, was not consistently related in this way to the level of hospitalization. Digressions are found when data for 

urban and rural areas are examined separately for 

8FOr ~OmDarison of the rates by place Of reSi ­

dence shown in this re~ort with annual data for 

1950 and explanation of differences, see section on 

Problems in residence reporting. 

TABLE F. Rcm OF Lm Bmms IN HOSPITALSBy 

RACE, FOR U’R6ANAND RURAL AREAS IN MBl’ROFOLITAN AND NONME’I’ROPOLI’TAN COUNTIES: UNITED STATES,


JANWARY 1 TO MARCH 31, 1950


(BY place of residence. Excludes data for 

Massachusetts ) 

I II I 

AREA 

ALL COUNTIES-----------

P=Iw 

Urban 94.0 96.8 76.6 

Rural------------------------ 75.9 84.5 28.5 

Metropo~ita counties----[ 95.1 II 97.I\ 82.2 

Urba 96.1 97.9 85.5 

Rural 90.9 93,8 59.3 

Nozxnetropolltsn courrties - I 76.8 II 85,6 I 29.4 

Urban 88.5 I 93.9 47.0 

red 70.6 80,8 23.3 
Vol. 45, No. 10 WEIGHT AT BIRTH BY 

the white and nonwhite groups” residing in metropolitan and .nonmetropolitan counties. For the white 

group, the rate for rural areas in metropolitan counties (17.4) was below that for urbzn areas of these 

counties (18. 1). In addition, in the nonwhite group 

mortality was low in both urbsn and rural areas of 

nonmetropolitsn counties, especially the latter, 

considering the comparatively small proportions of 

these babies who were hospitalized at birth. 

~ seekfng significant factors relating to birth 

weight to explain the favorable neonatal mortality 

GEOGRAPHIC DIVISION 167 

rates in some areas, it should be remembered that 

these rates are very sensitive to differences in the 

frequency of births of low weight. A difference of 

as little as 1 percentage point in the proportion of 

children of immature weight has the eff ect of changing the neonatal mortality rate by about 1.5 per 

1,000 births. Variations in this proportion, therefore, must be considered along with variations in 

mortality by birth weight as shown in figure 4 in 

evaluating differences in neonatal mortality rates. 

One instance where comparatively low morSelected Birth Weight Statistics—Comparison of Data for Urban-Rural Areas 

With Data for the United States, January 1 to March 31, 1950 

(PERCENT DIFFERENCES SASED ON FIGURES FOR THE UNITED STATES) 

WHITE .-

PERCENT WITH BIRTH 

WEIGHT OF 2,500 NEONATAL MORTALITY 

GRAMS OR LESS ALL BIRTHS OF 2,500 BIRTHS OF 2,501 

BIRTHS GRAMS OR LESS GRAMS OR MORE 

(U.S. PERGENT ZO) (U.S. RATE 18.9) (U.S. RATE 175.8) (U.S. RATE Tl) 

Percent difference Percent dif f erenca i%rce nt difference Percent differmm 

20 10 -o+ 10 20 10-+ 10 10 -o+ 10 20 

METROPOLITAN COUNTIES 

IIONMETROPOLITAN COUNTIES 

METROPOLITAN COUNTIES 

URSAN 

RURAL 

IONMETROPOLITAN COUNTIES 

URBAN 

RURAL 

METROPOLITAN COUNTIES 

ONMETROPOLITAN COUNTIES 

METROPOLITAN COUNTIES 

URBAN 

RURAL 

ONMETROPOLITAN COUNTIES 

URBAN 

RURAL 

,,.> 

. 

‘i” {T 

NONWHITE 

PERCENT WITH SIRTH NEONATAL MORTALITY 

WEIGHT OF 2,500 

GRAMS OR LESS ALL BIRTHS OF 22500 BIRTHS OF 2,501 

BIRTHS GRAMS OR LESS GRAMS OR MORE 

(U.S. PERCENT 9.71 (U.S. RATE 26.7) (U.S. RATE 164.7) (U.S. RATE 11.9) 

Parcenf dlffarenco Percwtt difforwicd Percent difference Percant difference 

20 10 -o + 10 20 10 -o+ 10 10 -o+ 10 20 20 10 -0+ 10 20 

k 

F TFZ’ 

789-1470 -65-3

168 VITAL STATISTICS-SPECML REFORTS 

tality can be traced in large part to a smaller percentage of babies with birth weights of 2,500 grams 

or less relates to nonwhite births. As indicated 

earlier, the percentage of births at immature 

weights in this group was much smaller among the 

nonmetropolita.n than the metropolitan counties. 

The contrasts revealed when mortality rates 

for the various area groups are examined separately 

for babies of 2,500 grams or less and for those 

above this weight are of particular interest. In 

these comparisons the distinction between metropolitan and nonmetropolitan county groups appears 

to be of critical importance. The experience for 

all rural area residents compared unfavorably with 

that for urban area residents at both immature and 

higher weights. But, in metropolitan counties only 

the immature babies born to rural residents sustained a greater loss. For the babies weighing 2,501 

grams or more at birth, mortality was somewhat 

lower in rural than in urban areas of these counties. 

The more detailed weight data show that the area 

of particular advantage for the rural resident births 

was at 3,001 to 4,000 grams. These comments generally apply for both the white and nonwhite groups. 

Turning to the nonmetropolitan counties it is 

seen that the position of the urban and rural residents in relation to mortality by birth weight was 

somewhat reversed from that found in metropolitan 

counties. At weights of 2,500 grams or less the 

rates for urban and rural areas differed only slightly, while at higher weights the mortality for the 

rural areas (9.5) far exceeded that for the urban 

areas (7.4). For the nonwhite, the rate among the 

immatures of rursl areas (171.1) even fell slightly 

below that for the urban group (183.6). This difference can be traced to lower mortality among 

the very small babies (under 1,501 grams) where 

underreporting of infants dying immediately after 

birth may enter as a biasing factor. 

Attendant 

h this section, children born in hospitals, 

those delivered by physicians outside of hospitals, 

and those delivered by nonmedical persons will be 

treated as separate cohorts, 

weight and mortality by area 

There are many factors 

in the variations discussed 

conditions relating to care 

likely to be most favorable 

and variations in birth 

will be discussed. 

that may be reflected 

below. For example, 

at and after birth are 

in metropolitan counties, and particularly in urban areas of these counties, where the facilities of large hospitals and the 

knowledge and skills of specialized medical personnel are readHy available. Children delivered 

outside of hospitals, as well as the hospital cohorts, 

would be expected to benefit from these advantages. 

Factors relating to accuracy and representativeness are also of special significance in data by 

area and attendant. The most accurate information 

is undoubtedly obtained for deliveries in hospitals. 

For the other attendant groups, the lack of accurate 

scales and improper procedures in weightng the 

babies may lead to errors in reporting birth weight. 

In addition, biases due to less complete reporting 

of infants dying immediately after birth are likely 

to be found principally in these attendant groups. 

The slightly poorer record on completeness of birth 

registration in nonmetropolitan than in metropolitan counties for each attendant group also indicates 

a possible bias in area data by attendant. 

In considering area differences it should also 

be remembered that while in some areas a specific 

attendant cohort may be generally representative 

for the entire population, in others the corresponding cohort may be representative of only a limited 

segment of the population or d deliveries in the 

population. For example, for areas in which only 

a small percentage of births occur outside of hospitals,
thebirth weight ‘distributions and II)OrtditY 

experience for the hospital group are, of course, 

closely representative of the area as a whole. However, untts for which a considerable portion of the 

births ordinarily take place outside of hospitals, 

as for the nonwhite group in other than metropolitan urban areas, present another situation. In 

these cases, the hospital cohort may represent to 

a large extent biti’hs involving complications that 

were referred to hospitals for special care at delivery. 

The considerations just mentioned relative to 

accuracy and representativeness of data are believed to operate differentially by weight, being 

particularly important for the low and the ve& high 

weight groups. Accordingly, comparisons of the 

weight-specific data are of special interest. 

Another factor affecting comparative data by 

attendant relates to subsequent hospitalization of 

babies born outside of hospitals and to medical 

care received by others soon after delivery by a 

nonphysician. The special @’ograms for the care 

and hospitalization after birth of premature born 

outside of hospitals would be expected to make this 

more significant at the low weights, tendtng to bring 

the neonatal mortality experience among immature 

birthk delivered by the various attendant groups 

into closer agreement. 

Bitth distribution .—m the first r@ort in this 

series it was shown that babies born in hospitals 

generally weighed less at birth than those delivered 

at home, and also that infants delivered by nonphy ­

sicisns were on the average the heaviest. In the 

white group, the differences were found mainly 

above the level of immaturity but, among the nonwhite, important differences were observed even 

at the very low weights. For nonwhite babies born 

in hospitals, 11.9 percent weighed 2,500 grams ‘or 

less at birth as compared with 8.8 percent of the 

births attended by physicians outside of. hospitals 

and 6.1 percent of other births. In addition, sub-
------------

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Vol. 45, No. 10 WEIGHT AT BIRTH BY 

stantial proportions of both white and nonwhite children delivered by midwives weighed 4,501 grams 

or more, while births of children, this heavy occurred least frequently in hospitals. 

With a few exceptions relating to incidence of 

immaturity, the differences just described apply ;O 

each area category. In urban areas of metropolitan 

counties, however, a substantially bigher proportion of the cohort of white births attended by phy. 

sicians outside of hospitals (9.8 percent) than of 

hospital births (7.2 percent) occurred at weights 

of 2,500 grams or less. Similarly, in metropol@n 

rural and nonmetropolitan urban tieas the correppm”ding percentages in the groups delivered by 

other than physicians were high. These differences 

may be significant in terms of the emergency nature of some of the deliveries outside of hospitals. 

It is also noteworthy that among the nonwhite 

group, the percentage of births at weights of 2,500 

grams or less was consistently Iow’in nmetropolitan counties for all attendant cstegori
 Y s other

than the hospital. In metropolitan coiinties on~ythe


group attended by nonphysician’s had a compaw­


tively stuall percentage of births at weights this’


low.


Most births among the white populations in all 

areas were delivered in hospitals. Consequently, 

variations in birth weights by area for the hospital 

cohorts closely parallel the situation described 

earlier for the total group. The additional data 

prepared” on births in hospitals by size of urban 

area show further that for white children birth 

weight also varied somewhat within the urban group. 

In’ metropolitan counties, more babies born to residents of the larger urbsn areas than to residents 

of the intermediate-sized areas weighed 2,500 grams 

or less at birth, but there was practically no difference in the incidence of immaturity among intermediate-sized cities with populations of 10,000 

to 50,000, small cities, and rural areas. Furthermore, although, the median birth weight “increased 

slightly with decrease in urban size (except for the 

very small cities) and was highest for rural areas 

(table G), the close correspondence between the 

birth weight distributions of hospital births in all 

areas is evident from table 14. In the nonmetropolitan counties the pattern of differences wqs similar but the gap between the distributions for the 

small urban places and rural areas was somewhat 

more pronounced than in metropolitan counties. 

For the physician-attended white births occurring outside of hospitals, the differences among 

area groups were distinctly greater than in the hospital cohorts. For example, births of 2,500 grams 

GEOGRAPHIC DIVISION 169 

TABLE G. MEDIAN BIKLW WEIGHTS (IN GRAMS) OF LVEBORN INFANTS, BY RACE AND ATTENDANTAT BIRTH,


FOR URBAN AND RURAL AREASINME!IROPOIZTAN
AND NON-


METROPOIJ,TANCOUN’ILLE:
UNITED ST.NIZS,JANUARY 1


To l&4RcH31, 1950


(By place of residence. Ccmguted to nearest 10


g- On basis of exact conversion of interval.


limits freinQounds and ounces; see section on


Classifications. Birth weights not stated are


distributed. Excludes data for Massachusetts)


Non-
 ATmmANTAN-D AREA --------------------meal White
 white 

BIFWES ATTENDEO BY PHYSICIAN


IN HOSPITAL


Met?mpolitan counties-—.— 3,280 3,300 3,130


Urban--------— 3,270 3,290 3>130


Places of 250,000 or more---- 3,260 3,280 3,120


PZaces of 50,000 to 250,000 3,280 3,300 3,150


Places of 10,000 to 50,000--- 3,310 3,320 3,150


Places of 2,500 to 10,000 3,310 3,320 3,150


Rural 3>320 3,330 3,170


Nonmetmpolitan counties- 3,340 3,340 3,200


Urban 3,300 3,310 3,170


Places of 10,000 to 50,COO--- 3,290 3,300 3,170


Places of 2,500 to 10,000 3,320 3,320 3,170


3,360 3,370 3,220


BI.RIH8ATIENDED BY PEYSICIAN


NOT IN HOSPI!lAL


Metzmpolitancounties 3,320 3,370 3,240


Urbam	 3,270 3,310 3,220


3,410 3,430 3,310


Nonmetzqditan counties- 3,450 3,480 3,360


Urban 3,380 3,400 3,350


Rural----------------------3,470 3,490 3,370


BIF3?H8ATTENDED BY MtD%WE,


OTPIER,AND NOT SPECKLED


Metropolitan counties 3,480 3,500 3,470


Urban 3,470 3,510 3,450


Rural 3,490 3,470 3,500


Nonmetropolitsncounties- 3,570 3,560 3,580


Urban	 3>550 3,500 3)570


3,580 3,570 3,580

,, 

170 VITAL STATISTICS-SPECIAL REPORTS 

or less were reported much more frequently among 

metropolitan urban area residents’ (9.8 percent) and 

less frequently among nonmetropolitan rural area 

residents (5.6 percent) than among the other area 

cohorts. The differences in median weights were 

also larger. 

The erratic nature of changes in the median 

weights for the nonmedically-attended white births 

in different areas maybe due to the small f requencies in this grciup for some areas and certain selective factors. 

The lower proportions of immatures among 

all nonwhite births in nonmetropolitan counties and 

in rural than in other areas is reflected to a much 

smaller degree for certain of the attendant groups. 

For births in hospitals and births attended by nonphysicians the percentages differed comparatively 

little. Substantial differences, however, are found 

for the group of children born outside of hospitals 

with medical attendance. 

Mortality .—In the first report in this series it 

was noted that the record of survival among white 

bitihs was best for hospital events, intermediate 

for the group handled by physicians at home, and 

poorest for nonmedically-attended births. The advantage for the hospital group over other physicianattended births was found to be most marked between 2,001 and 3,500 grams. In addition, comparison of rates for hospital births and nonmedically-attended births indicated important differences 

past the 3,500 gram level. 

In the nonwhite group, the neonatal mortality 

rate for all of the deliveries by nonphysicians was 

lower than the rates for deliveries in the other two 

attendsnt categories. A significant factor in the 

higher rate for hospitals births was undoubtedly 

the relatively large proportion of these deliveries 

that fell at the low weights where the mortality risk 

was highest. Actually, at weights between 2,001 

and 3,000 grams, the neonatal loss among nonwhite 

babies delivered by nonmedical persons was twice 

that among the events in hospitals. Also, considering all immature weight births together and infants 

of 2,501 grams or more as another group, it will 

be noted that the rates for the hospital cohorts were 

more favorable, particularly at the mature weights. 

Births attended by physicians at home in comparison with the nonmedically attended, however, experienced substantially lower mortality only in the 

weight group 2,001-2,500 grams. 

When the data are “classified according to 

whether residence was in a metropolitan or nonmetropolitan county and an urban or rural are% it 

is seen that the variations in mortality by attendant 

were generally quiie similar in nature in each area: 

An exception in the nonwhite group is the some: 

what lower mortality in nonmetropolitan rural areas 

among deliveries at immature weights by other 

than physicians (162.9) than “among corresponding 

deliveries in hospitals (178.1). Failures in reporting or selective factors in determining place 

of delivery probably contribute to this clifferemie’. 

The variations by area in weight-specific mortality of white children born in hospitals closely 

resembled the area pattern described earlier for 

total white births. For both, mortality among the 

cohorts in urban areas of metropolitan counties 

exceeded the mortality among rural areas of these 

counties at weights of 2,501 grams or more. In 

nonmetropolitan counties, the urban resident births 

at these weights had the advantage. 

For the’ nonwhite group, the variations with 

area differed in certain notable ways for hospital 

births and total births. In general, the excess in 

mortality among rural resident children was smaller in the hospital cohorts. However, for immature 

births in nonmetrop,olitan counties, the situation 

was reversed with the urban group having a somewhat higher rate in the case of total nonwhite births 

but a slightly lower rate in the case of hospital 

births. 

Rates by urban size for children born in hospitals show that neonat~ mortality was slightly 

lower among immatures of the very large urbti 

centers (populations of 250,000 or more) than among 

those of other areas. This is not unexpected in view 

of the greater likelihood that special care for immatures would be available in these areas. It is: difficult, however, to explain the high rates at weights 

of 2,501 grams or more for children born in hospitals to residents of cities of 50,000 to 250,000 in 

comparison with other metropolitan county areas. 

Among wrote births the mortality h, ‘the physician not in hospital cohort was particularly high 

for urban area residents of’ metropolitan counties. 

It is possible that more of the babies of these residents delivered by physicians outside of hospitals 

represent emergent y cases. In terms of birth weight 

this high mortality can be explained by the greater 

percentage q births at weights of 2,500 grams or 

less aqci unfavorable mortality experience for both 

immature infants and those weighing more. 

For npnwhite infants delivered by physicians 

outside of hospitals, the rates for metropolitan 

counties were somewhat above those for nonmetropolitan counties. It is significant that the percentage of low weight babies was also relatively high 

in the former. Comparison of the rates at imma-
Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 171 

ture and higher weights, however, shows wide and 

sometimes conflicting variations among the different areas. , 

Small frequencies limit what can be said about 

the nonmedically-attended group, especially for 

metropolitan counties. In general, the neonatal 

mortality rates among births in this cohort to residents of metropolitan counties were hfgh both at 

weights of 2,500 grams or less and at Qeavier 

weights. The situation is somewhat different, how­

“ever, in nonmetropolitan counties. The rate for 

nonmedically-attended immature nonwhite children 

in rural areas of these counties compared favorably 

even with the rate for tine corresponding group of 

physician-attended births in hospitals. Furthermore, at weights of 2,501 grams or more the rate 

for the nonmedically-attended nonwhite group in 

these areas was only 14percent above that for”hospital births. Here again, the factors of accuracy 

of data, completeness of registration, selectivity of 

cases, and e~ent of fetal mortality need to be taken 

into account. 

SUMMARY 

Information from vital records relating to the 

birth weight of children born in the United States 

during the”first 3 months of 1950 and neonatal deaths 

among this group for each division and for urban 

and rural areas and metropolitan and nonmetropoIitan counties showed that: 

1.	 The percentage of children weighing 2,500 

grams or less at birth was particularly high 

in the Mountain Division. Comparatively large 

proportions of heavy babies (4,501 grams or 

more), on the other hand, were born in the 

Southern divisions. 

2.	 Factors relating to birth weight that were important in determining the comparative level 

of overall neonatal’ mortality in the divisions 

were: For the Mountain Division, the greater 

proportion of immature births; for the South 

Atlantic and East South Central Divisions, the 

relatively large losses among mature babies; 

for the Mtddle Atlsntic Division, generally low 

mortality at all weights; for. the East North 

Central and Pacific Divisions, an advantage at 

mature weights. 

3,	 For the most part there was only slight variation among the divisions in the relative excess of male over female mortality when considered on a weight-specific basis. 

4.	 Generally, the rankings of an area according to 

percentage of children of 2,500 grams or less 

among single and plural births corresponded 

very closely. In instances where the disadvantage for children in plural sets, as measured 

by neonatal mortality, was least, comparatively low frequency of extremely small babies 

seemed to be a factor. 

5.	 Considering the white and rionwhite groups separately, relatively low mortality throughout 

the neonatal age span was experienced by white 

babies of all weights in the Middle Atlantic Division and by nonwhfte babies in the East No@h 

Central Dfvision. In ‘contrast, poor records 

throughout the perfod both at 2,500 grams or 

less and at higher weights “were shown by data 

for white children in the East South Central 

and nonwhite children in the South Atlantic 

Divisions. 

6.	 In all but one division, the principal causes of 

death among white immatures by rank order 

were immaturity unqua@ied, postnatal asphyxia and atelectasis, other birth injuries, and 

congenital malformations. At mature weights 

the four causes which accounted for the greatest toll among white infants were congenital 

malformations, intracranial and spfnal injury 

at birth, other birth injuries, and postnatal asphyxia and atelectasis. 

7.	 For the nonwhite immature and heavier weight 

child, pneumonia of newborn continued to rank 

among the main causes of death in sotie divisions (third for immatures in the South Atlantic and West South Central Divisions and second for matures in the three Southern @visions) 

At immature weights, another cause which fell 

among the top causes of death for the nonwhites 

but not for the white group was intracranial 

and spinal injury at birth (third in the Middle 

Atlantic and East North Central Divisions); At 

mature weights, the ranking of the principal 

causes for the nonwhite coincided with that for 

the correspor.ding white group in the division 

(East North Central) having the most favorable 

rate for tie nonwtite. 

8.	 Babies born to residents of rural areas weighed 

on the average somewhat more at birth thsn 

did babies to urban area residents. In the urbsn areas there was a higher incidence of immaturity, whereas births at very heavyweights 

occurred more frequently in the rural areas. 

The contrast was much sharper for the non-
172 

9. 

10. 

11.	 In nonmetropolitan counties, the neonatai mortality rates for urban and rural areas differed 

only slightly at weights of 2,500 grams or less, 

while at higher weights the mortality for the 

rural area group far exceeded that for the 

urban. 

12.	 Comparison of the incidence of immaturity 

among hospital births as opposed to other births 

indicated that, for the white, higher percentages occurred among the nonhospitai group in 

many areas but, for the nonwhite, the reverse 

VITAL STATISTICS-SPECIAL REPORTS 

white than the white. Variations in birth order 

and birth weight for urban and rural areas 

were in part consistent with relations demonstrated between these two factors in other 

studies. 

Nonwhite babies weighed on the average less 

than white babies only in urban and rurai areas 

of metropolitan counties. In all areas, however, the incidence of immature birth in the 

nonwhite group exceeded that in the white. 

In metropolitan counties, babies of rural residents experienced a slightly greater loss at 

immature weights but a smaller loss at weights 

of 2,501 grams or more than did babies of urbsn residents. 

17.	 There M evidence that variations m completeness and in accuracy of reporting may affect 

the comparability of area data. This evidence 

relates to certain inconsistencies or peculiaritiess, including the high, mortality among im -

matures in the West North Ce@ral and Pacific 

Divisions, reversals during the neonatal period 

in the relative level of mortality in the divisions, comparatively low incidence ‘ofimmaturity among nonwhite births in nonmetropolitan rural areasj and low mortality in this 

group. In addition, quality of diagnoses and 

variability in use of diagnostic terms probably 

account for the reciprocal relationship in proportionate mortality attributed to immaturity 

unqualified and postnatal asphyxia and atelectasis, and the comparatively low mortality at 

weights of 2,501 grams or more for specific 

causes in the, East South CentraJ. Division. 

EXPLANATORY NOTES 

Distribution of “not stated” birth weights 

The not stated birth weights which represented 

3.8 percent of the births and 14.7 percent of the 

neonatal deaths included in the study have been 

distributed in all data shown. 

The method of distri@ticm used in deriving 

the adjusted standard totals by race, sex, plurality, 

and attendsnt for the United States takes into account the bias toward less complete reporting for 

infants born at early gestation sges. This mejhod 

is described in detaiI in another report.g Briefly, 

the not stated birth weights in each gestation group 

were distributed according to the distribution of 

the known weights in that group. The procedure 

was appiied separately to the neonatal death distributions and to distributions relating to children 

who survived. 

The adj,usted standard totals” on deaths by age 

for the United States were obtained by first dis-, 

tributing the not’ stated birth weights at each age 

proportionately according to the stated weights and 

then adjusting the figures to the standard weight 

totals. In the case of cause data for the United 

States the not stateds at each weight were distributed proportionately by cause according to the 

distribution of deaths for which birth weights were 

stated. Under this last procedure the derived totals 

by cause differed in some cases from the reported 

totals. Both sets of totals are shown in the tables. 

The figures for the United States by urbsn and rural areas of metropolitan and nonmetropolitan counties were obtained by distributing the not stated 

9pJ*tion~l office of Vital SttltiSti CS, OP. cit. ,


footnote 1.


13. 

14. 

15. 

16. 

was generally true. 

The detailed urban size data on hospital birthfor the white group showed a siight tendency 

toward greater incidence of immaturity in the 

larger urban places. For the nonwhite, the 

area clifferentials in immaturity (smaller proportions in nonmetropolitan counties and in 

rural areas) were greatly reduced when data 

for each attendant category were considered 

separately. 

For the nonwhite group, variations in mortality 

with area differed in certain notable ways for 

hospital. births and total births. In general, 

the excess in mortality among rural resident 

children was smaller in the hospital cohorts. 

Rates by urban size for children born in hospitals showed lower m~rtality among immatures of the very large urban centers but higher 

mortality at weights of 2,501 grams or more 

for residents of cities of 50,000 to 250,000. 

Among white births, mortality in the cohort 

attended by physicians outside of hospitals was 

particularly high for urban area residents of 

metropolitan counties due to a high proportion 

of premature births and unfavorable mortaiity 

at specific weights. 
vol. 45, NO.1O WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 1’73 

weights according to the stated ,weights for each 

attendant group in these places and making subsequent adjustments to totals for the United States. 

Corresponding procedures were followed in 

distributing the not stated weights for the divisions 

except in one instance. 10 An additional step was 

required at the end, however, to adjust the figul es 

for the divisions to add to the United States totals.1 I 

Despite the fact that reasonable bases were 

used for distrilmting the not state’ds, the fairly large 

proportions of not stated birth weights in some instances would be expected to increase the variability of the data shown. In view of this, the reader 

is particularly cautioned in using the data not to 

draw conclusions from relatively small differences. 

Classifications 

1.	 Birth weight is generslly reported in terms of 

pounds and ounces on the birth certificate. The 

traditional gram groupings, however, have been 

used to tabulate and present the data in order 

to facilitate comparison with other studies of 

this type. The equivalents of these .groupings 

in terms of pounds and ouhces are as follows 

1,000 grams or less = 2 lb.’3 oz. or less 

1,001-1,500 grams = 2 lb. 4 oz.-3 lb. 4 OZ. 

1,501-2,000 grams = 3 lb. 5 oz.-4 lb. 6 OZ. 

2,001-2,500 grams = 4 lb. 7 OZ.-5 lb. 8 OZ. 

2,501-3,000 grams = 5 lb. 902.-6 lb. 9 OZ. 

3,001 -3;500 grams =’ 6 lb.”10 oz.-7 lb. 11 OZ. 

3,501-4,000 grams = 7 lb.’12 oz.-8 lb. 13 OZ. 

4,001-4,500 grams = 8 lb. 14 oz.-9 lb. 14 OZ. 

4,501 grams or more = 9 lb. 15 oz. or more. 

In computing median weights, however, the endpoints of the intervals. were assumed to be % 

ounce less at the lower limit and ~ ounce more 

at the upper limit. These limits were then 

converted exactly to grams. 

For purposes of classification, the terms 

“immature, “ “prew.ature, ‘‘ and “prematurely 

born” are used in this report to refer to infants weighing 2,500 grams or less at birth. 

This definition was recommended by the American Academy of Pediatrics in 1935, and later 

adopted in the Sixth Revision of the International Lists of Diseases and Causes of Death 

(1948). The term “premature,” although containing the concept of duration of pregimcy, 

10In the case of data by sex for which period


o~ gestation was not available for the divisions,


the not stateds at each weight were distributed


proportionatelyby sex and then adjustmentsmade to


the reported sex totals.


ll~his step was omitted in the case of data by 

cause of death (table 11).


has been used for many years in connection 

with the birth weight criterion. The Sixth Revision of the International Lists defines “premature” as relating to chiIdren of gestations 

of less than 37 weeks and indicates that for 

reporting and classification purposes, this criterion may be considered as equivalent to an 

immature infant as defined above. It is recognized in using these terms, that there may 

be basic differences h physical development 

for some of the subgroupings of births discussed, which WOUMaffect the general applicability of the criteria for classifying births 

as immature or premature. 

2.	 The statistics by cause shown in this repoit 

were compiled according to the International 

Statistical Classification of Diseases, Injuries, 

and Causes of .— Death, 1948 (Sixth Revision of 

the International Lists of Diseases agd Causes 

of Death). The categories of this list which 

are included in each of the cause groups used 

are indicated in the tables. In general, when 

more than one cause of death is reported, the 

cause designateti by the certifying physician 

as the underlying cause of death is the cause 

tabulated.lz 

3.	 The term “urban” as used in this publication 

includes all incorporated places with enumerated populations of 2,500 or more in. 1950 and 

a number of unincorporated places defined as 

urban under specisl rules. “Rural” includes 

all other areas. These definitions correspond 

to the “old” classification of urban and rural 

as used by the Bureau of the Census. 

4. A county is classified as “metropolitan” or 

“nonmetropolitan” depending on whether it is 

included or excluded from the standard metropolitsm areas, developed by the Bureau of 

the Census in cooperation with other Federal 

agencies.13 Except in New England, a county 

is included in a standard metropolitan area, if 

it contains at least one city of 50,000 population 

or more in the 1950 census, or if it is contiguous to a metropolitan county, is essentially 

metropolitan in character, and its population 

is socially and economically integrated with 

the central city or cities of the area, according 

to specified criteria. 

121iio~ a ~ore detailed discussion, see National 

Office of Vital Statistics, Vital Statistics In­


struction Manual, ‘‘PartII, Cause-of-DeathCoding,


1951.”


13U. S. Bureau of the Census, U. S. Census of


Population: 1950, vol. 1. Number of Inhabitants,


u.	 S. Government Printing Office, Washing ton., 

D. C., 1952. 
174 VITAL STATLYITCS-SPECIAL REPORTS 

In New England, the towns and cities, rathe. 

than the counties are the units used to define 

the standayd metropolitan area. Howeverj 

since vital statistics are not tabulated by town 

in this Office, all counties wNAmore than half 

their population in standard metropolitan areas 

are classified as “metropolitan.” 14 

5.	 The States (exclusive of Massachusetts in New 

England) included in each of the nine geographic divisions for which data are shown are: 

New Engkud South Atlantic-Con. 

Maine West Virginia 

New Hampshire North Carolina 

Vermont South Carolina 

Rkode Island Georgia 

Connecticut Florida 

Middle Atlantic East South Centrak 

New York Kentucky 

New Jersey Tennessee 

Pemsylvania Alabama 

Mississippi 

East North C!entraL 

Ohio West South CentraL 

Indiana Arkansas 

Illinois Louisiana 

Michigan Oklahoma 

Wisconsin Texas 

West North Centrak Mountain: 

Minnesota Montana, 

Iowa Idaho 

Missouri Wyoming 

North Dakota Colorado 

South Dakota New Mexico 

Nebraska Arizona 

Kansae Utah 

Nevada 

South Atlantic: 

Delaware Pacific: 

Maryland Washington 

District of Columbia Oregon 

Virginia California 

6.	 The category “White” includes, in addition to 

persons ~eported as “White,” those reported 

14’fhisclassificationcorresponds tO Stfbte eCO­


nomic areas in New England. See U. S. Sureau of 

the Census, State Economic Areas, by Donald J. 

Bogue, 1951. 

as Mexican snd Puerto Rican. The category 

“Nonwhite” consists of persons reported as 

Negro, American Indian, Chinese, and Japanese; other numerically small nonwhite groups: 

and persons of mixed races. 

7.	 Births are classified as occurring “in hospital” onthe basis of entries on the birth certificate. The classification is unrelated to 

American Medical Association (AMA) registered hospital listings. It is assumed that all 

births in hospitals are attended by physicians. 

Seasonslity 

For 1950, seasonal differences are found both 

in the incidence of immature birth and in neonatal 

mortality. The proportion of immatures among 

births in the United States and each geographic division and the corresponding neonatal mortality 

rates for the group of children included in tins study 

(January throug~ March 1950) are compared with 

data for the whole year in table H. 

In the United SWes and seven of the divisions 

(New England,,15 IMiddle Atlantic, E& No@h Cen- ~ 

tral, West North ‘Central, South Atlantic, East South 

Central, and West South Central), the percentages 

of immature births were lower for the study group 

than for births in the year as a whole. In all of 

these divisions except the New England, mortality 

was also lower in January to March 1950 than in 

the full year. ‘ 

Many of the differences in mortality maybe 

explained in part by differences in incidence, of immaturity. Three instances where other factors of 

seasonality are probably largely involved relate to 

the htghrates in the New England and Mountain 13ivisions and the low rate in the West South Central 

Division. 

E ,en though most of the variations shown in 

the table are statistically significant, and in a few 

cases alter the comparative standing of divisions 

substantially, the relationships described in this 

report are, in the main, believed to be applicable 

to the entire year.16 

151t will be noted that in the New England Di­


vision data on births by weight for Connecticutare


included for the January to Warch group but ex­


cluded in the annual figures.


161t ~h~~ld a18~ be noted tha in itheyears


1951-54, the ranking of the divisions according to


rates of neonatal mortality”was similar to that in


1950 in that the New England, Middle Atlantic,East 

Ncrth Central, West North Central, and Pacifi.aD,i ­

vlsione had consistentlylower rates than the other


divisions. For the correspondingyears,iee Nation­


al Office of Vital Statistics, Vital Statistiseof


the United States, Vol. I, U. S. Government Print­


ing ‘Office,Washington, D. C.

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Vol. 45, No. 10 WEIGHT AT BIRTH BY 

TABLE H. PERCENT OF LIVE BIRTHS WTTH BIRTH WEIGRTS 

OF 2,500 GRAMS OR LESS AND NEONATAL MORTALITY 

RATES: UNITE21 STATES AND EACH GEOGRAPHICDMSION, JANUAFf 1 TO MARCH 31, 1950, AND CALENDAR 

YEAR 1950 

(W place of residence. Neonatal mortality rates


are deaths uuder 28 days per 1,000.live births


in each area. Rates for Jsa. 1 to Mar. 31: 1950,


relate to childrenborn dting this period)


SUBJECT AND AREA­


PERCENT OF LIVE BIRTHS WITH 

BIRTH WEIGETS OF 2,500 GRAMS 

OR LESS1 

United States


New England------= 

Middle Atleritic 

East North Central 

West North Central 

South Atlantic 

East South Central 

West South Central.----:


Mountain


Pacific


NEONATALMORTALITY RATES


United States2------------


New R@md2--------------------


Middle Atlantic


East North Central


West North Central


South Atlantic


East South Central


West South Central


Mountain


Pacific


Jan. 1


to
 4950
 Ksx. 31,


1950


‘=7
.4 37.6
 - .—


26.9 =7.4


7.8 7.9


6.9 7.3


6.3 6.4


8.0 8.4


7.2 7.5


6.9 7.4


9.1 9.1


7.5 7.4


20.0 20.6


20.1 19.2


18.9 19.6


18.2 19.1


19.2 19.5


22.0 22.5


22.9 23.3


20.0 22.3


23.7 22.5


19.0 18.6


2Bi~h ~ei&ts nOt statedare @tributea2Excludesdata for Massachusetts.


%xclud’es data forconnecticutand Massachusetts.


Chance variation 

Chance variation, in addition to the biases in 

reporting already discussed, must be considered 

in evaluating the data shown. This variation is related to the. size of the birth population on which 

the figures are based and on the frequency of we 

occurrence measured. The smaller the population, or the smaller the frequency of the event in a 

given population ‘group, the greater the relative 

GEOGWPHIC DIVISION 175 

variability. 17 Mortality rates were not computed 

in accompanying tables for certatn small frequency 

groups, i. e., where there were fewer than 10 deaths. 

Percentages were alsonot computed where the base 

was less than 100. Specialnote has also been made 

in the text where differences based on comparatively small frequencies are discussed. 

Problems in residence reporting. 

Place of residence as recorded on the birth 

certificate was used in this shady in classifying both 

live births and neonatal deaths. In other national 

data published on neonatal deaths, these deaths have 

been allocated according to place of residence reported on the death certificate. 

It is known that in some instances residence 

information is not reported accurately on vital 

records. The inaccuracies are believed to arise 

mainly because residents of areas surrounding an 

urban place are likely to give the urban place as 

their residence. 

For records included in a 1950 birth registration test, it was possible to estimate the overall effect of these errors by comparing place of 

residence on the birth certificate and in the census 

l’7Thestandard error is the measure used to 

evaluate this variability. Chances are less than


1 in 20 that a difference as large as z standard


errors would arise by chance. Generally, the


standard error of a rate per 1,000 births is


where R is the rate and B is the number of births 

used to compute the rate. .Thestandard error of 

the difference between 2 rates. RI and R2, iS 

jlRI(I, OO()-Ri) R2(I, 000-R2). 

-tB 

Bi 2 

If 2 rates differ by less than twice this standard


error, it is usually concluded that they are not


significantly different (statistically). When a


rate is small and the number of deaths Is very


small, the standard error of the rate is R, whereR 

47


is the rate and D is the number of deaths. The


standard error of the difference between z such


ratea, Ri and R2 is


:+: 

r 1 2 

789-147 0 -65-4 
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176 VITAL STATISTICS-SPECWL REPORTS 

enumeration. 18 The ~~l~t,i~e
rrors in birth sta­


tistics for this group are shown in table J. In the 

comparison, it was assumed that county of residence was reported correctly. 

From data in table J it is evident that the numbers of births and deaths shown in this report for 

certain area groupings (the urban) undoubtedly 

overstate and data for others (the rural) understate 

the true figures. Despite these biases, it is probable that the distributions of births by weight and 

the neonatal mortality rates for these areas are 

not seriously distorted. 

Neonatal mortality rates for urban and rural 

residents during the whole year 1950 and for the 

3-month period, January through March 1950 are 

shown in table K. Comparison of the relationships 

between the rates for urban and rural areas indicates some important differences in these two sets 

TABLE J. PFRCENT DHT’ERENCE BETWEEN REGIST!SREDLIW


BIRTHS AND ESTIMATES OF LIVE BIRTHS ADJUSTEDFOR 

MISREPORTINGOF RESIDENCE,BY RACE, FOR URBAN AND 

TABL73K. NEONATAL MORTALITY RATES BY RACE, FOR


URBAN AND FURAL AREAS IN METROPOLITANANDNONMET­


ROPOLITAN COUNTIFS:UNITED STATES, JANUARY 1 TO


MARCH 31, 1950, AND CALENDARYEAR 1950


(WPlace Of residence at birth. Baaedon deaths


under 28 days. Ratesper1,000 live birthsinead.h


specifiedgroup. Data forJ=. ltoklar. 31, 1950,


include only deaths among childrenborn during


this period. Excludes data for Massachusetts)


1 

TIKE PESIOD AND AREA Total


JANUARY 1,TO MARCH 31, 1950


All counties 20.0 18.9 26.7


Urban 19.7 18.6 27,0


Rural 20.4 19.3 26,3


Metropolitancounties 19.2 18.0 26.9


Urban 19.4 18.1 26.8 RURAL AREAS IN METROPOLITANAND NONMETROPOLITAN Rural-------------------------18.3 17.4 27.8 COUNTIES: UNITED STATES, 1950 

(By place of residence. In computingpercent dif- Nonmetropolitancounties- 20.9 19.9 26.5


ferences,registeredbirths used as base) Urban 20.6 19”.7 27.6
 ~r~------------------------ 21.1 20.0 26.1


Non - AREA Totd White
 white 1,950


All counties 20.6 19.4 27.5 ALL COUNTIES J=

Places

Urban -6.4 -6.8 -3.8 Urban 21.3 20.0 29.1 

Places of 250,000 or more---- -5.1 -5.4 -3.4 Rurel------------------------ 19.5 18.5 25.5 

Places of 50,000 to 250,000 -7.1 -7.8 -2.8 

of 10,000 to 50,000 -6.5 1 -6.6 -4.7 Metropolitancounties---- 19.9 18.6 28.2’


Places of 2,500 to 10,000 -8.4 -8.6 -6.3


Rmal---------------------- +9!9 +lo.7 +5.3 Urban------------------------ 20.2 18.9 28.2


Rural 18.3 17.5 27.7


MSTROPOLITANCOUNTIES


Nonmetropolitancounties- 21.4 20.4] 26.9


Urban -5.1 -5.5 -3,.0


Places of 250,000 or more---- -5.1 -5.4 -3,4 Urban------------------------ 24.0 22.9 31.9 

Places of 50,000 to 250,000 -7.i -7.8 -2.8 Rural 20.0 18.9 25.1 

Places of 10,000 to 50,000 -1.1 -1.2 +0.2 J_ 

Places of 2,500 to 10,000 -5.3 -5.4 -2.2


Rural +21.3 +21.2 +22.3 ofdata. The rates for the first 3monthsof 1950 

NONMETROPOLITANCOUNTIES for white and nonwhite residentsof rural areasin 

metropolitan and nonmetropolitan counties were 

Urbm---------------------- -10.0 -10,4 -6.5 frequently about the same as, or somewhat higher 

Places of 10,000 to 50,000, -10.1 -10,6 -6.2 than the corresponding rates for urban residents 

Places of 2,500 to 10,000 -9.8 -10,1 -6.9 of the same counties. A similar comparison of the 

~d--------.------------- +5,6 +6.3 +2.4	 annual data for 1950 shows a somewhat divergent 

situation in that the rates were consistently lower, 

sometimes by 

18For ~ fU1l.di~cussion, see National Office of tlian for urbti 

Vital Statistic, Vital Statistics of the United Seasonal 

States, 1950, Vol. 1, u. s. Government Printing to be of minor 

Office, Washington.D. c., 1954, PP. 36-39- flict between 

as much as 20 percent, for rural 

areas. 

and chance variations are ‘believed 

significance ih expl~ing this conthe rates for the two periods. It is 
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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DMSION 177 

likely due in large part to a lack of consistency @ 

the reporting of residence on birth and death certificates. As indicated earlier, in classifying the 

data on neonatal deaths routinely published, residence at time of death as it appeaxs on the death 

certificate is used instead of residence reported on 

the birth certificate as in the 3-month data for this 

study. 

Variation in residence classification of ti infant at birth and death might arise partly as the 

result of migration in the interim but for the most 

part it is believed due to a difference in the reporting of the usual place of residence on the birth 

and death records. On the birth certificate the information requested elates to usual residence of 

mother, while on the death certificate the item ap1 

pears as usual residence of the deceased. Special 

instructions are given to report the mother’s usual 

place of residence in the case of newborn infahts; 

however, in some cases where infants delivered in 

hospitals die before release, residence on the death 

certificate may be reported as the city in which the 

hospital is located although the. mother’s residence 

was outside the city. 

The divergence of the annual data from the 

rates for January through March 1950 are consistent with the above interpretation since an urban 

residence appears to be reported more frequently 

on the death than on the birth certificate. As a result, the annual rates of neoimtalmortality routtnely 

published for urban areas likely overstate and the 

rates for rural areas understate the true figures. 

SYMBOLS 

Class or item not applicable (3 dots) ------------------

Data not available (3 dashes)--------------------------

Quantity is zero, in frequency tables (1 dash) 

Quantity is zero, in rate or percent tables (1 cipher)--

If rate or percent is more than O, but less than 0.05 

If both frequency and population base are zero in rate 

or percent tables (1dash) 

RELATED REPORTS 

Vital Statistics -Special Reports, Volume 39: 

. . . 

; 

0.0 

-

No, 1. Weight it Birth ~d Its Effect on Survival of the Newborn in tie United States, Early 1950. 

No. 6. Relation of Weight at Birth to Cause of Death and Age at Death in the Neonatal Period 

United States, Early 1950. 

, 
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178 VITAL STATISTICS-SPECIAL REPORTS 

. TALUE1. LIVS BIR1’2S BY BIRTSWEIGST,6ACE,AND SEX:UiiITED SL’AT3S AND EACH G6CGIL4FEIC
 DMSION, JAXUARY1 TO MARCE 31, 1950 

(3Y placeof residence. Birthwelght8not statedare dfstri?mted)


BIRTSWEIGHT (INGRAMS)


AREA, FACE, AND SJx Total 1, m 1,oo1- 1,501- 2,001- 2,501- 3,001- 3>501- 4,001. 4,501 2,500 2,501 

or or or less 1,500 2,000 2,500 3,000 3,500 4,000 4,500 more & more ——


K&le---- 429,5C6 

Female-. k 408,2.8C

2,014 

1,914 

2,566 

2,495 

5,501 

5,887 

18,467 

22,773 

66,044 

85,764 

L54,868 L27,S27 

160,761 98,812 

40,736 

23,772 

11.,363 28,566 

6,102 33,069 

400,936 

375,211 

white-----------------717,133 3,189 4,079 9,206 33,460 .26,9S6 273,2S3 .98,3s9 55,75: 12,866 49,934 6S7 .199 

Male---- 3S0,37S 1,621 2,121 4,4SC 15,034 54,833 133,719 12,366 35,564 8,640 23,256 345;lS2 

Female 34a,755 1,568 1,958 4,726 18,426 72,073 139,566 .66,623 20,18s 4,226 26,676 322,077 

Nonwhite I 120;653 739 1,002 2,182 7,780 24,902 42,344 28,36o 8,755 4,599 Il.,703 108, S50 

~le_- 61,128 393 4s3 1,021 3,433 ll,zl.1 21,149 15,561 5,172 2,72,3 . 5,312 55,S16 

Female 59,525 346 537 1,1s1 4,347 13,691 21,195 12,789 3,58? 1,676 6,391 53,134 

Uc4m STAT+ ----- 637,786 3,92E 5,081 LI,388 41,240 L51,802 315,629 126,738 64,50E 17,465 61,637 776,149
 -
 ~


N2U BNGIJ4$D1 

M81e 12,439 6C 66 156 494 1,939 4,596 3,776 1,1.K 231 778 ll;661 

Female 11,711 5: 50 136 654 2,423 4,883 2,788 60S 115 663 10,818 

white 23,644 107 105 282 1,103 4,255 8,280 6,465 1,70s 336 1,597 22,047 

~e_-- 12,175 58 61 156 466 1,881 4,490 3,719 1,10E 226 741 U .434 

Female LL,469 49 44 126 637 2,364 4,790 2,746 601 L12 836 10;613 

Nonwhite 506 6 u 12 45 107 199 99 15 8 74 432 

Male 264 2 5 2 28 48 106 57 LL 5 37 227 

Female 242 4 6 10 17 59 93 42 E 3 37 205 

.--------..---- 24,150 115 116 294 1,148 4,362 9,479 6,564 l,72e 346 1,671 22.479


MIDDIE ATLANTIC 150,340 794 872 2,146 7,946 30,01.3 59,564 37,630 9,53C 1,643 u, 75’2 136,582 we 77,133 424 409 1,023 3,508 13,094 29,623 21,623 6,192 1,237 5,364 71,769 

Female 73,207 37C 463 i,123 4,438 16,921 29,941 16,007 3,33E 6,394 66,613 

mite 137,126 647 757 1,831 6,813 26,498 54,334 35,442 9,07C 1,% 10,60. 127.076 ae-_- 70,S25 338 355 873 3,034 U,532 26,963 20,368 5,895 1,167 4,600 65; 925 

Feirmle 66,601 309 402 958 3,-181 14,866 27,371 15,074 3,173 565 5,450 61,El 

Nonwhite 13,214 147 115 315 1,1= 3,317 5,230 2,1s8 46C 111 1,708 Ll;306 

Male 6,s06 86 54 150 474 1,562 2,660 1,255 297 70 764 5,644 

Female 6,603 61 61 165 657 1,955 2,570 933 162 41 944 5,S62 

EAsT NORTSCF,14T16AL 170,653 057 930 2,129 7,S56 30,571 65,537 47,o72 U, 981 2,720 II, 772 15s,861 

Male 87,s19 431 514 1,042 5,521 13,256 31,961 26,729 8,298 1,667 5,508 s2,1.11 

Female 83,034 426 416 1,087 4,335 17,315 .33,376 20,343 4,68: 053 6,264 76,770 

white 137,330 74C 821 1,846 6,801 26,995 60,475 44,610 12,452 2,590 10,20s 147,122 

M9Le---- 80,92S 371 459 897 3,C69 U., 660 29,403 25,312 7,884 1, 7s3 4,766 76,142 Female 16,402 369 362 949 3,742 15,335 31,072 19,29.6 4)468 807 5>422 70,9s0 

Nonwhite 13,323 1.17 109 2.83 1,055 3,576 5,062 2,462 529 130 1,564 11,759. ~e_-- 6,691 60 55 145 462 1,588 2,556 1,417 314 64 722 5,969 

Fema.le 6,632 57 54 138 593 1,980 2,504 1,045 215 46 842 5,790 

WEST NORTSCENTSAL 80,185 363 421 936 3,322 12,785 29,927 23,548 7,1.74 1,686 5,s64 75,121 

Male 41,181 191 216 490 1,457 5,4&i 14,553 13,111 4,528 1,150 2,354 38;827 

Female 39,004 172 205 468 1,865 7,300 1.3,374110,436 2,646 536 2,710 3S ,284 

~ite 76,709 333 396 883 3,094 11,962 28,588 22,840 6,9.!33 1,618 4,716 71;992 

we __ 39,435 1?4 206 461 1,361 5,106 13,876 12,725 4>41C 1, no 2,204 37,231 

Female 37,273 159 1.88 432 1,733 6,854 14,711 10,=5 2,573 50s 2,51.2 34,761 

Nonwhite 3,477 30 25 65 228 823 1,336 709 191 68 348 3,129 

Male 1,746 17 8 29 96 377 675, 386 U6 40 1.30 1,596 

Female 1,731 13 17 3s 132 446 663 323 73 28 196 1,533 

ATLANTIc 132,642 589 928 2,033 7,002 24,i29 48,153 35,317 10,65C 3,s41 10,552 122,090 

-Nonwhite--------------------q--


S41JfS 

Male 67,723 286 450 972 3,175 10,637 23,616~ 19,566 6,603 2,408 4j891 62,832 

Female 64,919 303 470 1,061 3,827 13,492 24,535 15,751 4,047 1,433 5,661 59,258 

lhlte 91,788 375 554 1,298 4,613 16,738 34,545 24,792 7,133 1,81S 6,B4O 84,948 

Male---- 47,0s4 187 284 621 2,106 7,230 16,S52 13, S80 4,554 1,250 3,19s 43,666 

Female 44,724 188 270 677 2,S07 9>50q 17,513 10,812 2,581 668 3,642 41,582 

40,854 214 374 733 2>389 7,391 13,768 10,525 3,515 1,623 3,712 37,142 

t.isle----20,659 174 351 1,069 3,407 6,7S6 5,5S6 2,049 l>lw 1,693 18,966


Fem6Ls 20,195 I.R 200 364 1,320 3,964 7,032 4,939 1, 4ss 765 2,019 18,176


EAST 2CW22C’2ti 76,093 280 50s 1,027 3,663 12,304 26,367 21, 4a2 7,263 3,172 5,5M 70,588 

~e__ 38,807 144 258 481 1,674 5,273 12,796 IL, L328 4,391 1,962 2,557 56,250 

Female,-- 37,286 148 247 346 2,009 7,031 13,571 S,654 2,872 1,210 2,948 34,336 

White 52,769 198 340 692 2,335 8,185 18,65S L.5,587 5,059 1,7C4 3,565 49,204 

Msle 26,981 91 184 319 1,069 3,472 9,lx19 8,614 3,099 1,124 1,663 25,318 

Female 25,788 107 156 373 1,266 4,723 8,850 6,873 1,960 380 1,902 23;886 

Nonwhite 23,324 92 165 335 1,348 4,109 7,708 5,895 2,204 1,468 1,940 21,364 

MKLe---- 11,826 53 74 162 605 1,801 3,787 3,214 1,292 836 694 10,932 

Female Ll>498 39 91 173 743 2,308 3,621 2,6S1 912 630 1,046 10,432 

%xcludes data for Massachusetts.


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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 179 

-1. ~ B-s BY B~ U’JIGEL RI@ AND SLX: IJNITSD STA!C2SJ4K0 EACH GSOSIWEIC DIVISION, JA2iUARY 1 !M NANCH 31, 1950-Continue8 “ 

(BYp~ce or residence. Birth weisbtsnot statedare disttihtia) 

BINTEW3162T (II!G2AE4S)


dREA, RAcs, AND2sx !ostal1,000 1,501. 2,001. 2,501- 3,001- 3,50L 

I 

4,001- $

4,501 2,500 2,501 1,oo1- or or 

1:s 1,500 2,000 2,500 3,coo 3,500 4,CG0 4,500 ml-e Es more 

W2sc sours cF26TF&--------- 89,080 355 Ssl l,SI.24,161 1.5,226 31,660 25,852 7,686 2,477 6Z179 62,901. 

Nn2.e---- 45,639 167 275 51.5 1,866 6,585 15,526 14,364 4,729 1,562 2,643 42,796 

Funale-- 43,441 168 276 597 2,263 S,631 16,334 ll,26S 2,957 915 3,336 40,1C5

wite- . . . . . . . ----------------- 70,647 270 4L3 SC8 3,0s2 U.,721 25,858 20,667 6,164 1,654 4,565 66,084

34ale---- 36,196 140 202 390 1,4C8 5.040 12,4%? Il,slz 3,844 1,070 2,13e 34,05s 

Notiti 18,433 85 138 1,089 3,505 6,CC12 4,985 1,522 823 1,596 16,S37 

Male--- 9,443 47 73 ?: 460 1,555 3,034 2,772 865 482 703 8,738 

Temale-- 8,990 38 65 179 so?! 1,950 2,96S 2,213 637 33?. 691 6,099 

.---.----.---.-.--- 33,625 178 24? 547 2,096 7,4U 13,149 7,901 1,766 32S 3,070 30,555 

Nal.e---- 17,2S5 96 121 257 943 3,255 6,657 4,502 1,154 220 1.417 2.5,666 

Female- 16,340 62 126 290 1J35 4,1.56 S,51.2 3,29S 109 l;653 14,6S7 

-White 51,629 171 234 512 1,970 6,966 12,482 7,540 1,’F3 301 2,867 26,942 

Msle---- 16,369 91 1.I.7 245 8s6 3;C41 6,291 4,46 1,066 2C6 1,341 15,028 

FemE2e-- 15,460 60 117 267 1,082 3,8s5 6,171 3,135 587 96 1,546 13,81.4 

Nmwhite-----------------------1,79s 7 13 33 1.2S 445 687 .%l 93 183 1,613 

Mnle---- 916 5 4 lz 55 214 346 197 66 z 76 840 

Femle-- 860 2 9 23 73 Zsl 164 25 12 107 773 

PAcIFIc Sl,ols Sll 1,142 4,024 ls,oos 31,393 21,572 5,730 1,C62 6,066 74,952 

24ale---- U,680 R 269 563 1,62s 6,510 ls,sse 12,30@ 3,722 726 2,=6 3a,824 

39,33s 194 242 579 2,195 8,493 16,035 S,264 2,CC8 326 ,3,210 38,X28 

White----.---------.-..=-II 75,292 34s 459 1,044 3,637 13;576 29,263 20,446 5,5C8 1,o11 5,4S8 69,804 

2481e---- 36,705 171 Zsl 516 1,645 s,859 14,m lJ.,631 3,3s4 7C5 2,583 38,120 

Fem81e-- 36,5s7 177 206 526 1,992 7,717 14,822 8,SI.5 1;824 306 2>903 33,6S4 Nofiiti-----------------------5,726 u 52 9s .387 1,429 2,330 1,126 222 a 378 5,148 NKLe---- 2>975 24 1s 45 1s4 851 1,217 677 21 271 2,704 mmale-- 2,751 17 M 53 203 I 77s 1,33.3 4&9 84 20 307 2)444 1 , 

Femd?-- 34,451 130 21L 418 1,6s6 6;6s1 13,36S 9,055 2,320 5s4 2,445 32>008 

14BU 2. msm2mws D~oN OF LIVE BIR~ BY B!RTsWIGW, BY R4CB AND SEX ~ ST.4!IW MD K4CS GFZGNAE121C
 DIVISION,


JAtWA7tY
1 m MARCS 31, 1950


(By@ACe of residence. Birthb’eightm
not statedare e.istributed)


B12W3h!21023T
 (m 0N4M6)


ANsL, NAm, AmsEx Tut@J. L 1,00Q 1,oo1- 1,501. 2,001. 2,501- 3,001. 3,501. 4,001. 4,501 2,500 2,301 

or or 1,500 2,0W 2,5C0 3*oao 3,500 4,cm 4,5W more 1:s more L


0.6 1.4 4.9 18.1 37.7 27.1 7.7 2.1 7.4 92.6


~


Male---- 100.0 0.5 0.6 1.: 4.3 Is.4 38.3 29.8 9.5 6.7 93.3 

Fema7.e-- 100.0 0.5 0.6 1.4 5.6 S1.o 38.4 24.2 5.6 R 8.1 91.9 

Wlite----------------- 100.0 0.4 0.6 l.: 4.7 17.7 38.1 27.7 7.e 1.s 7.0 95.0 

Nale---- 100.0 0.4 0.6 1.Z 4.1 14.9 36.3 30.5 9.7 6.3 93.7 

100.0 HOnvhit-...:-.;: .1OC.O 

We---- 100.0 

0.4 

0.6 

0.6 

0.6 

0.8 

0.8 

1.4 

1.E 

1.7 

5,3 

8.4 

5.6 

20.7 

20.6 

1s.3 

40.C 

33.1 

34.6 

24.7 

23.5 

25.s 

S.E 

7.? 

8.5 

::; 

3.s 

4.5 

7.6 

9.7 

8.7 

92,.4 

90.3 

91.3 

Femd.t-- 100.0 0.6 0.s 2.C 7.3 23.0 35.6 21.5 8.C 3.2 10.7 8S.3 

B2u BmLANA..- . . . . . ..-.-. 100.0 0.5 0.5 1.2 4.s 18.1 39.3 27.2 7.2 1.4 6.9 93,1 24de---- 100.0 0.s 0.,5 1.3 4.0 13.6 30.4 9.C 1.9 6.3 93.7 100.0 mti-.--.---...----.-.R*-: 100.0 

0.5 

0.5 

0.4 

0.4 1.2 

1.2 

5.6 

4.7 

20.7 

18.0 

E:? 

3s.2 

23.8 

27.3 

5.2 

7.2 

1.0 

1.4 

7.6 

6.8 

S2.4 

93.2 E4ale---- 100.0 0.5 0.5 1.3 3.8 3.3.5 36.9 30.5 9.1 L9 6.1, .s3.9, Femde-- 100.0 

nOn**----------------------- 100.0 

0.4 

1.2 

0.4 

2.2 

1.1 

2.4 

5.6 

8.9 

20.6 

S1.1 

4L.8 

39.3 

23.9 

19.6 

5.2 

3.6 

1.0 

1.6 

7.5 

14.6 

92.5 

ES.4 24nle---- 100.0 0.8 1.9 0.s 10.6 18.2 40.2 S1.6 4.2 1.9 14.0 e$.o Famle-- 100.0 1.7 2.5 4.1 7.0 24.4 38.4 17.4 3.3 1.2 1s.3 84.7 

Mmm2 Alz4m!Ic 100.0 0.3 0.6 1.4 5.3 20.0 39.6 25.0 6.3 1.2 7.6 92.2 Male 100.0 0.5 0.5 1.3 4.5 17.0 .3q:4 2s.0 8.o 1.6 7.0 93.0 100.0 0.5 0.6 1.5 6.1 23.1 40.9 23..9 4.6 0.8 8.7 91.3 Wti.--..- . . .. . 100.0 0.6 1.3 5.0 19.3 39.6 23.8 6.6 1.3 7.3 92.7 Male---- 10Q.O R 0.5 1.2 4.3 16.4 3a.2 28.9 8.4 1.7 6.5 93.5 Femle-. 100.0 0.5 0.6 1.4 5,7 22.s 41.1 22.6 4.s 0.8 8.2 91.8 Nmwhite-- .................... 1s0.0 1.1 !3.8 2.4 S.6 26.6 3S,6 16.6 3.5 1.2.9 87.1
 Et8.k---- lCO.O 1.3 0.0 2.3 7.2 23.6 40.3 19.0 4.5 ::: 11.6 66.4
 Female.- 100.0 0.9 0.9 2.5 9.9 29.6 38.9 14.1 2.5 0.6 14.3 85.7


%cludcs tits for E486sachusetti.

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180 VITAL STATISTICS-SPECIAL REFORTS 

TAB7i2 2. PERCENTAGEDISTSIWTION OF IJ7iZBE+l?42 BY SISTSWXIGET,BY FAC?3AND SEX: OIIITEO S!L4TXSANO EMS GEOON.4HUCDIVISION,


.7ANUARY
1 !33MARcs51, 1950-cOntinued


(Byplace of residence.,J4irth
 weight.not statedwe distributed)


II


B~lTiW21GS!T(IN GFW2)


Am& R4cN, ANo 62X Total.1,000 

or 

t-less 

1,oo1-

1,500 

1,301-

2,000 

2,001-

2,300 

2,501- 3,001-

3,0C0 3,500 

3,501- 4,001-

4,000 .4>500 

EAST NIT(’IN cENmAL--------- 100.0 0.5 0.5 1.2 4.6 17.9 36.4 27,6 7.6 1.6 6.9 93.1 we-- 100.0 0.5 0.6 1.2 4.0 1s.1 36.3 30.5 9.5 2.1 6.3 93.7 

Fem..de-- 100.0 0.5 0.5 1.3 5.2 20.9 40.4 24,5 5.6 1.0 7,5 92.S 

White lW.O 0.5 0.5 1.2 4.3 17.2 38.4 28.4 7.9 1.6 6.3 93.5 ~&-- 120.0 0.5 0.6 1.1 3.8 14.4 36.3 3..3 9.9 2.2 3.9 94.1 

Femd.e-- 10Q.O 0.5 0.5 1.2 4.9 20.1 40.7 25.3 5.8 1.1 7.1 92.9 

Nonwhit-e 100.0 0.9 0.8 2.1 7.9 26.6 58.0 18.5 4.0 1.0 UL.7 66.3 

Male---- 100.0 0.9 0.8 2.2 6.9 23.9 38.2 21.2 4.7 1.3 10.8 89,2 

Feraale-- 100.0 0.9 0.6 2.1 8.9 29.9 37.8 15.8 3.2 0.7 12.7 87.3 

WFm IfoRIN C.mm.& 100.0 0.5 0.5 1.2 4.1 15.9 37.3 29.4 8.9 2.1 6.3 93.7 

Mal.e---- 100.0 0.5 0.5 1.2 3.5 13.3 35.3 31.8 L1.o Z.a 5.7 94,3 

Female-- 100.0 0.4 0.5 1.2 4.6 16.7 39.4 26.6 6.8 1.4 6.9 ‘33.1 

White lW.O 0.4 0.5 1.2 4.0 15.6 37.3 29.8 9.1 2.1 6.1 93.9 

We---- 100.0 0.4 0.5 1.2 3.5 13.0 55.2 32.3 IJ..2 2;6 5.6 94.4 

Female-- 100.0 0.4 0.5 1.2 4.6 18.4 39.5 27.1 6.9 1.4 6.7 93.3 

Nonwhite 100.0 0.9 0.7 1.9 6.6 23.7 38.5 20.4 5.5 2.0 10.0 90.0 

Male---- 100.0 1.0 0.5 1.7 5.5 21.6 38.7 22.1 6.8 2.3 6.6 91.4 

Female-- 100.0 0.8 1.0 2.1 7.6 25.8 56.3 18.7 4.2 1.6 =.4 68.6 

‘ Som Frantic 100.0 0.4 0.7 1.5 5.3 1s.2 36.3 26.6 8.0 2.9 8.o 92.0 

Male---- 100.0 0.4 0.7 1.4 4.7 15.7 54.9 28.9 9.6 3.6 7.2 ‘92.8 

Fem@.e 100.0 0.5 0.7 1.6 5.9 20.8 37.8 24.3 6.2 2.2 6.7 91.3 

!&it-e 100.0 0.4 0.6 1.4 5.0 16.2 37.4 27.0 7.8 2.1 7.5 92.5 me--- 100.0 0.4 0.6 1.3 4.5 15.4 55.8 28,7 9.7 2.7 6.8 93.2 

Female 100.0 0.4 0.6 1.5 5.6 21.3 39.2 24.2 5.6 1.5 6.1 91.9 

-Nonwhite 100.0 0.5 0.9 1.8 5.6 16.1 53.7 25.8 8.6 4.7 9.1 90.9 

MaLe---- 100.0 0.5 0.8 1.7 5.2 16.5 32.8 27.0 9.9 5.6 8.2 91.8 

Fema.le-- 100.0 0.6 1.0 1.9 6.5 19.7 34.8 24.3 7.3 3.8 10,0, 90.0 

EAw! SOWEI cEqmAL--------- 100:0 0.4 

Male---- 100.0. 0.4 

0.7 

0.7 

1.3 

1.2 

4.8 

4.5 

16.2 34.7 

1.5.6 35.0 

28.2 9.5 

30.5 11.3 

4.2 

5.1 

7.2 

6.6 

92.8 

93.4 

Fem81.e 100.0 0.4 0.7 1.5 5.4 16.9 36.4 25.9 7.7 3.2.’ 7.9 92.1 

*I*------------------------- 100.0 0.4 0.6 1.3 ,4.4 15.5 3s.4 29.5, 9.6 3.2’ 6.S 93.2 

Male---- 100.0 0.3 0.7 1.2 4.0 12.9 33.4 51..9 U-.5 4.2, 6.2 93.8 

Femal.e 100.0 0.4 0.6 1.4 4.9 18.3 37.4 27.0 7.6 2.2 7.4 92.6 

Nonwhita----------------------100.0 0.4 0.7 1.4 ,5.8 17.6 33.0 25.3 9.4 6.3 8.3 91.7 

Mele---- 100.0 0.4 0.6 1.4 5.1 1.5.2 32.0 27.2 10.9 7.1” 7.6 92.4 

Female 100.0 0.3 0,8 1.5 6.5 20.1 54.1 23.3 7,9 5.5 9.1 90.9 

W8T mum cmR&------- 100.0 0.4 0.6 1.2 4.7 17.1 55.8 2.9.8 8.6 2.8 6.9 93.& 

Male ---- 100.0 Q.4 0.6 1.1 4.1 14.5 34.0 31.5 10.4 3.4 6.2 93.8 

Fer&le-- 100.0 0.4 0.6 1.4 5.3 19.9 37.6 2S.9 6.8 2.1 7.7 92.3 

Uhite 100.0 0.4 0.6 1.1 4.4 16.6 36.6 29.3 8.7 2.3 6.5 93.5 B$k__:: lW.O 0.4 0.6 1.1 3.9 L5.9 34.5 32.1 10.6 3.0 5.9 94.1 

100.0 0.4 0.6 1.2 4.9 19.4 38.8 26.3 6.7 1.7 7.1 92.9 

lwwhie’----------------+------100.0 0.5 0.7 1.6 5.8 19.0 32.6 27.0 6.3 4.5 8.7 91.3 

Mn!le---- 100.0 0.5 0.8 1.3 4.9 16.3 32.1 29.4 9.4 ‘5.2 7.3 92.5 

Fe@.7.e-- 100.0 0.4 0.7 2.0 6.8 21.7 33.0 24.6 7.1 3.7 9.9 90.1 

MolmTAIti---.-.------.,---- 100.0 0.5 

Male+- 100.0 0.6 

0.7 

0.7 

1.6 

1.5 

6.2 

5.5 

22.0 39.1 

18.8 3a.4 

23.5 5.3 

26.6 6.7 

1.0 

1.3 

9.1’ 

S.2 

90.9 

91.8 

Fen81e 100.0 0.5 0.8 1.6 7.1 25.4 39.9 20.2 3.7 0.7 10.1 69.9 

lslite ...w-- 100.O 0.5 0.7 1.6 6.2 21.9 39.2 23.7 5.3 0.9 9.1 90.9 

Mele---- 100.0 0.6 0.7 1.5 5.4 18.6 38.4 26.9 6.6 1.3 8.2 91.8 

Femala.- 100.0 0.5 0.8 1.7 7.0 25.4 39.9 20.3 3.8 0.6 10.0 90.0 

Nonwhite
--. ..--,. ioo.o 0.4 0.7 1.9 7.1 24.8 3s.3 20.1 5.2 1.5 10.2 89.8


Male 100.0 0.5 0.4 1.3 6.0 23.4 37.8 21.5 7.4 1.6 8.3 91.7


Female-,. 100.0 0.2 1.0 2.6 6.3 26.2 38.7 18.6 2.8 1.4 12.2 87.6


------------------4 100.0 0.5 0.6 1.4 5.0 18.5 38.0 26.6. 7.1 1.3 7.5 92.5 

MBle---- 100.0 0.5 0.6 1.4 4.4 15.6 37.3 29.5 6.9 1.7 6.9 93.1 

Ftmel.e.- 100.0 0.5 0.6 1.5 5.6 23..6 40.8 23.5 5.1 0.8 8e 91.8 

Wti-.-.:------------------- 100.0 0.5 0.6 1.4 4.8 18.0 27.2 7.3 1.3 7.3 92.7 

1481e--- 100.0 0.4 0.6 1.3 4.3 1.5.1 ‘%:: 30.1 9.3 1.8 6.7 93.3 

Fem81.e-- 100.0 0.5 0.6 1.4 5.4 21.1 40.8 .24.1 5.3 0.8 92.1 

Xmti-.---.-+-------------- 100.0 0.7 0.9 1.7 6.8 25.0 40.7 19.7 3.9 0.7 1::: ‘W.9 

Me.le---- 100.0 0.8 0.6 1.5 6.2 2L.9 40.9 22.8 4.6 0.7 9.1 90.9 

Female. - lCO.O 0.6 1.2 1;9 7.4 28,3 40.5 16.3 3.1 0.7 I..l.z 6S.8 

PACIFIC- 1-
----

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Vol. 45, No. 10 WEIGET AT BIRTH BY GEOGRAP~C DIVJSION 181 

i?riam% mA.!E?E m02s 28 DAYS BY BISISW61G2T,SACS,JJiD=C ~ S’J!MT=ANo ~~ ~oo~c D=Io% J~~ 1 ~ ~~ 31, ’50 

(W PI.= of residence at birth. hudes deaths mons childrenborn Jen. 1 W Mm. 31, 1950. M* ~-ts not s+.a~ ~ ~Btfibu*d) 

# 

BIR7!6
!431G3T(IN GR4MS)


AFmi; Rkc2, Amsm mtal 1,000 1,oo1- 1.,501- 2,001- 2,501- 3,001- 3>501- 4,001- 4,s01 2,500 2j501 

or or or 

1:s 1,520 2>000 2,5C0 3,OQo 3,500 4,000 4,5m Mpre less mre 

-


16,741 3,424 2,601 2,403 ?,078 1,912 2,112 1,280 4s3 248 10,706 6,033


9,751 

Pemde-- 6,990 I 

1,sol. 1,608 

1,623 1,193 945 833 816 860 457 =+171 92 4,594 2,396 

mit.e------------------ 13,521

Mule---- 7,952

Femle 3,569 

Z,817 2,293 

1,467 1,364 

1,350 929 

1,976 

1,218 

758 

1,693 

1,032 

654 

1,526 

873 

655 

1,703 

1,021 

662 

982 

633 

549 

374 

244 

130 

155 

93 

62 

8,779 

5,088 

3,691 

4,742 

2,864 

1,876 

lblvhite--------------- 3,220 607 308 427 383 364 409 298 B39 93 1,927 1,293 

Ma7.e---- 1,799 

mu&o.e-- 1,433. 

334 244 

273 264 

240 

167 

203 

179 

223 

161 

231 

178 

lso 

108 

S8 

41 

63 

30 

1,024 

903 

775 

51s 

EEw EsQLA@--------------- 485 

Mtae--:- 278 

104 75 

55 47 

70 

44 

48 

24 

62 

30 

71 

39 

34 

22 

14 i 

1.2 

7 

5 

297 

170 

188 

108 

Female-- 207 49 28 26 24 32 32 lz 2’ 2 127 80 

4s7 99 69 66 48 61 71 14 6 262 16s 

Male--- 271 53 45 44 23 29 39 z 12 5 165 106 

Fun81c-- 1.86 46 24 24 23 32 32 ls 2 1 117 79 

r701whit.e 18 5 6 2 1 1 1 15 3 

Male---- 7 2 ; 1 1 5 2 

Fen!.a3e-- U ; 4 ; 1 i 10 1 

Mnqxx ATIAtmc 2,636

Male---- 1,637 

725 L56 

396 234 

385 

232 

318 

197 

2.92 

365 

374 

2.18 

195 

132 

69 

49 

22 

14 

1,s84 

1,059 

952 

378 

uale 

4E

1,456 1,245 1,o96 1,252 823 156 6,1J.2 3,639 

Femle-- uhite 

ude----

FunaLe--

1,199 

2,441 

l,40a 

1,033 

329 

594 

5J.6 

278 

222 

396 

209 

167 

153 

347 

Zlo 

137 

Ml 

274 

169 

105 

1.27 

~Q 

3,16 

156 

328 

193 

63 

168 

114 

54 

20 

59 

44 

15 

; 

13 

6 

625 

I,6U 

904 

707 

374 

630 

504 

326 

nOnwhite 395 131 60 38 44 3s 46 27 10 3 273 122 

Md.e---- 229 60 25 22 20 25 25 18 5 1 155 74 

Fennle-- 166 51 35 16 16 u. 21 9 5 2 I.M 48 

Em! Hos!m cm!mAL--------- 3,rLo 762 507 404 3Ll 330 369 233 1.20 34 2,004 1,106 

We----

Fem.le--

1,863 

1,247 

403 

379 

316 

191 

251 

153 

194 

IJ.7 

23.6 

134 

236 

133 

148 

83 

70 

42 

21 

13 

1,164 

~&o 

699 

407 

wlte 2,787 677 460 357 290 306 339 216 33.3 29 1,76-4 1,003 

Male----

Femle--

1,674 

1,U3 

347 

330 

293 

1.S7 

21.7 

140 

166 

104 

M7 

J19 29.6 

123 

139 

77 

73 

40 

16 

X5 

1,0-43 741. 

531 

372 

Nomhite 323 103 47 47 21. 44 30 17 7 5 220 103 

Ma.le---- 189 56 23 34 29 20 9 5 5 1.21 68 

Femle.. 1.34 49 24 13 1: U 10 8 2 99 35 

WEST noms mmiulL--------- 1,539 320 249 232 177 3.73 168 X53 42 25 978 561 

Male----

Femn.7.e--

91J. 

628 

172 

148 

153 

96 

15). 

a 

102 

75 

90 

63 

U9 

69 

68 

47 

23 

ls 

15 

10 

578 

400 

333 

228 

mite -------------------------- 1,457 29S 2s 220 168 170 177 w 41 22 922 535 

MBle---- 156 149 146 97 88 Ill. sl 22 14 546 317 

F&- 592 140 88 74 71 81 66 44 12 8 374 218 

Xomlhite 62 24 u 32 9 3 U 8 1 3 56 26 

Male---- 46 16 4 5 5 .1 8 5 1 1 30 3.6 

Fe!m.lc-- 3s 8 7 7 4 2 3 3 2 26 10 

Sol?m Al?AAmIc----------- 2,913 471 469 445 401 372 332 24s 81. a 1,806 1,107 

nal.e---- 1,681 

FedLe-- 1,232 

2s 

2.% 

271 

218 

264 

181 

235 

166 

22s 

144 

202 

130 

139 

86 

52 

22 

3.5 

19 

1,003 

601 

676 

431 

White-------------------------1,776 

Male---- 1,057 

302 

156 

299 

179 

284 

171 

256 

3.54 

222 FM 

129 

144 

93 

38 

28 

16 

8 

l,lQ 

684 

633 

393 

Femle-- 719 146 1.20 1.I.3 98 87 66 51 10 8 477 =%2 

!60nlhite ........... .. 1>137 169 190 161 143 1.50 137 1C4 43 36 6S5 472 

~e---- 524 79 92 93 77 93 73 66 24 27 xl 282 

Female-- 513 90 96 68 6a 57 64 32 19 -u 324 169 

EAST Soum cmimAL--------- 1,739 238 270 232 253 223 161 51 47 999 740 

Mal.c---- 1,013 I.so 154 145 147 lzl % 105 34 28 566 447 

726 W*..---::.--...-....=.:: l,ufl 

LL6 

1S6 

116 

192 

93 

167 

106 

177 

102 

Ml 

99 

159 

56 

86 

17 

25 

19 

18 

4?3 

702 

293 

429 

Mde--- 661 77 116 103 UC 78 100 53 1?! 9 408 253 

Femle-- 470 89 76 62 67 63 59 33 3.2 9 294 176, 

Nonwhite 6C8 72 78 n 76 82 $9 75 26 29 297 

Male---- 352 43 38 40 37 43 59 52 Zi 19 Ma 1.84 

Femle-- 256 29 40 31 39 3s 40 23 5 lC 139 U7 

%xcludcs ** for Massachusetts. 
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182 VITAL STATISTICS-SPECIAL REPORTS 

m.sra 3. ~ ~E6 2S DAYS m 81STBWBIGET,sACN,.4NDE2X: UNITIEO ,STA!IS?S AND BACH G203R.4PSICD?XIS1ON,JdNUASY1 m MARCB 31, 1950-Cm.


(33’
place of re.idence at birth. Includes deaths among children born Jan. 1 to w. 31.,1950. ~rth wei@ts not statedare distributed)


BIR!Di NEIGS2’(m GRANS) 

AREA, S&-E, AND S6x lbtd 1,000 1,oo1- 1,501- 2,001- 2,501. 3,001- 3,501- 4,ml­ or 

lese 1,500 2,000 2,500 =s 3,000 3,500 4,020 4,500

WEST sm CENTRAL ---.----- 1,783 264 302 256 258 1s4 247 164 65 43 1,080 703

M@le---- 9s5 143 168 153 14s 98 137 95 37 26 592 393 

Femle-- 79s 121 134 121 1.12 26 I.1.oFS9 28 17 4ss Km 

White 1,325 20s 227 191 ls4 139 182 Ill 44 31 818 507 

MaLe---- 743 U3 1.22 109 113 77 100 S6 26 17 457 266 

Fem.le 582 93 105 82 a 62 82 45 18 14 3s.3, 221 

Nonwhite 458 58 75 65 64 45 65 53 12 262 196 

Ma.le---- 242 30 46 26 33 21 37 29 : 9 135 107 

Femle 216 28 29 39 31 24 28 24 10 3 127 89 

MOUNT&Uf 796 164 140 132 3.13 99 88 39 16 3 549 247 Male--- 475 83 Ss 85 69 59 47 23 I.1 333 142 

Feude-- 321 71 54 47 44 40 41 16 7 ;. 216 105 

Iimte 733 157 132 1.19 102 90 so 32 3.8 3 510 223 Male__ 438 88 83 76 62 55 43 18 U 2 309 129 

Feml.e 285 S9 49 43 40 35 37 14 7 1 201 94 

Nomhite----------------------- S3 7 8 13 U 9 8 7 - 39 24 

lw.e---- 37 5 3 9 7 4 4 5 24 13 

Female 28 2 5 4 4 5 4 2 15 U 

PACIFIC 1,540 356 313 241. 199 157 165 73 / 23 13 1,109 431 M!Qe--_ 90s 1s4 179 151 131 69 95 33 16 10 645 263 

Femal.e-- S32 172 134 80 68 88 70 20 17 3 464 168 

Wnite 1,404 320 280 223 186 143 152 67 22 u 1,00s 395 ~e__ 835 161 16S 140 121 63 90 48 15 9 590 245 

Female 569 158 112 63 65 60 62 19 7 2 150 

Nonwhite 13s 36 33 18 13 aA 13 6 1 z, Ho 36 ~e__ 73 23 u u 10 6 5 5 1 1 55 la 

Fetie 63 13 22 7 3 8 8 1 1 45 ld 

— — 

li4BLE 4. NEGNATALMORTAUTY BATE3BY BIR12WIHGBT,FAX, AX’DSE% UNIT2DS’I!ATIS AND EMS GECCiRAFIUC
 DIVISIGN,JANUARY1 TO MASCS 31, 1950


(W PlaceOr ~sidence at “oifi. Wsed m deatiaunder 2S days among cblldrenborn Jan. 1 to I.&m.31, lS50. Fatesper 1,COO livebirth in


each specified group. 8irth weights ho’ stated are 6i@rlbuted. M dots (..) indicate rate not computed where the number of deaths 16


less than 10)


BImS wmGm (INGW) 

m, RACE, dND .SEX ‘i%tal 1,000 

or 

lem 

1,001-

1,5W 

1,501-

2,000 

2,001-

2,500 

2,501- 3,col- 31501-

3,000 3,500 4,Oco 

4,col4,520 

4,501 2,503 2,501 

or or or 

mm less m“re 

UNmED sTATE&----- 20.0 671.7 551.3 2U. O 50.4 12.6 6.7 5.s 7.5 14.2 173.7 7.6 

~e-- 22.7 884.2 621.S 265.0 67.4 16.6 6.1 6.4 7.7 X5.7 2.7.3,9 9.1 

FemJ.e-- 17.1 848.0 476.2 160.5 36.6 9.5 5.3 4.6 7,2 1.5.1 X38.9 6.4 

+ o 

l.We---- 7J..6 903.0 643.1 271.9 69,1 X5.9 7.6 5.s 6.9 10.8 218.s 8.3 

Fmale-- 16.0 861.0 474.5 160.4 59.5 9.1 4.9 4.1 6.4 14.7 150.4 5.8 

Nonwhite 26.7 821.4 507.0 195.7 49.5 L5,4 9.7 10.5 7.2.5 20.2 164.7 11.9 

MaJ.e--- 29.4 849.9 524.7 235.1 60.0 19.9 10.9 12.2 13.1 23.1 192.S .73,9 

Fanale-- 23.9 789.0 491.6 161.1 41.2 11.6 S.4 6.4 L7..4 16.0 141.3 9.7 

NEW ENGIAND1 -—------ —--- 20.1 920.4 64S.6 238.1 41..S 14.2 7.5 5.2 .. 177.7 8.4 

M9.1e--- 22.3 91s.7 7.1s.1 278.5 4S.6 13.5 8.5 3.8: 1::+ .. 218.5 9.3 

Fwnele 17.7 924.5 560.0 191.2 36.7 15.2 S.6 4T3 .. .. 142.2 7.4 

!4hite---------——-—---- 19.8 925.2 667.1 241.1 41.7 14.3 7.7 5.1 8.2 .. 176.6 6,4 

Nal.e---- 22.3 9X5.8 737.7 282.1 4s.4 1.5.3 8.7 5.6 10.8 .. 222.7 S.3 

Femal.e— 17.1 938.8 545.5 190.5 36.1 13.3 s.,7 4.4 .. .. 136.7 7.4 

5.6 .. .. .. .. .. 0 .. 0 .. 202.7 .. 

Wbite-—------—--- 18.9 663.3 562.1 214,S 50.6 12.0 8.2 4,9 6.7 I.s. 175.8 7.1


Nonwhite--——-—-—--—--- 35 ~e__ .. .. ., 0 .. .. 0 .. 0 0 .. .. 

Fema.l.e-- 45.5 .. .. .. .. 0 0 0 0 .. 270.3 .. 

~DLE ATIANTIC 

W.l.e——— 

Fmal.e--

1s.9 

Ea.z 

16.4 I 9J3 .1 

934.0 

889.2 

522.9 

572.1 

479.5 

179.4 

226.8 

136.2 

40.C 

56.2 

27.3 

9.7 

12.6 

7.5 

6.3 

7.4 

5.2 

5.2 

6.1 

3.9 

7.2 

7.9 

6.0 

IJ..9 

IJ..3 

.. 

160.2 

3.97.4 

129.0 

6.9 

8.1 

5.6 

mte--------—-—---_-----_- 17.8 918.1 523.1 169.3 40.2 !3.7 6.C 4.7 6.5 11.o 160.3 6.5 

M9.1e---- 20.0 934.9 588.7 240.5 55.7 12.1 7.2 5.6 7.5 L7..l 18S.5 7.6 

Few.le-- 15.5 889.7 465.2 143.0 27.6 7.s 4,9 3.s 4.7 .. 129.7 5.3 

Nontite—------------------ 29.9 891.2 521.7 lso.6 3s.9 10.2 6.8 1.2.3 a. 7 .. 159,8 10.6 

~&_- 4s3.0 146.7 59.1 16.0 9,4 14.3 .. .. 202,9 12,7 

Fema3.e-- 573.s 97.0 24,4 5.6 8.2 .. .. .. 125.0 8.5 

%clude e data for h!aseachus etta.

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Vol. 46, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 183 

,, 

TA21X4. S202wAL 162RCAUlY _ BYSI~ UE16ST,SACB,AND.* UNITEDSTATFSANOFACE G20XWSIC 7XV7j?ION,JANUARY1!03NAME 31, .E50-Cbn. ., . . . 

(Seeheadnuteon p. 1.82)


2iTccBmom (IN GFA143) 

AmA,8A2s, ANDssx ‘m-al 1,000 1,cm 1,501. 2,col- 2,501. 3,cOl- 3,501- 4,001- 4>501 2,500 2,501 

,or 1,503 2,0C0 2,500 3,Oco 3,520 4,Wo 4,500 or or or 

lem mm mre


EAST nom CmrsAL--------- M.2 91.2.: 545.: 189.t 39:6 I&i 5.6 4.9 9.2 ls.s 170.2 7.0 ,. M31e---- zl.3 935.( 614.[ 240.$ 55.1 16.: 1.4 5.5 9.4 13..2 Z1l.: 8.5 

F.m6Je-. 1.5. 689.; 4s9.: 140.[ 27.C 7. 4.( 4.2 9.C I.&z .7.34.1 5.3 

White-----:, 17.7 914.s 560.: 183.4 42.6 U:; 5,6 4.8 9.1 Ii.2 174.( 6.8 

M7.e---- 20.7 936.2 638.: 241.S 60.8 16.( 7.2 5.5 9.1 9.0 2.2.7.$ 8.3 

Female-. 14.6 824.? 461.: 147.: 27.6 4.C 4.0 9.[ 16.1 i36.i 5.Z 

o 

. Nonwhite---------------k 24.2 897.4 431.: 166.1 19.9 ;:: 5.s 6.9 .. .. 140.i 8.8 

Male---- 28.2 933.: 42.s.: 234.: .. 16.1 7,e .. .. .. 167.f U..4 

Female-. 20.2 859.’! 444.! 94.2 21.9 7.t 4.C ,.. ., c .7J.7. E 6.0 

WFS!CNO~ ~ 19.2 881.5 591.4 242.Z 53.3 X5.: 6.3 5.6 5.$ 14.6 193.1 7.5 

Ml-e---- 22.1 900.5 7C8.: 308,2 70.C 16.4 8.2 6.6 s.] 13.o 245.5 8.6 

Female-. 16.1 880.5 4s8.: 173.1 40.2 IL4 4.5 4.5 7.2 16.7 147.C 6.3 

14hite 19.0 688.S 601.f 246.4 54.3 14.2 6.2 5.5 5.s 15.6 195.: 7.4 ~--- -21.9 896.6 716.Z 316.7 71.3 17.4 S.c 6.4 5.C 12.6 248.e 6.5 

Pemale-- 3s.9 aeo.s 473.{ 171.: 41.0 u..{ 4.5 4.3 7.4 .. 146.S 6,3 

Nomihite----—----— 23.6 800.C 440.( 164.6 .. .. 8.2 .. .. .. 160.S 6.3 

1431e--- 26.3 941..2 ., ., .. .. .. .. .. .. 220.c 10.0 

Fqnle-- 20.8 .. .! .. .. .. .. .. “c .. EL: 6.5 

Som grL4N21c -------------- M7.e--- 22.0 

24.8 

799.7 

621.7 

526.! 

591.: 

zls.9 57.3 

271.6 74.0 

15.4 

zl.4 

7.3 

8.6 

7.0 

6.1 

7.6 

7.9 

14.1 

14.5 

171.i? 

Z05.5 

9.1 

10.8 

F.an.ab-- 77s.9 4s3.[ 170.6 43.4 10.i 6.1 5.7 7.Z 13.3 142..5 7.3 

74%ite---.-------— E:: 605.3 539.i im.e 55.5 X5.: 6.3 5.6 5.3 8.3 166.e 7.5 

Male---- 22.5 8W.2 630.? 275.4 7!5.0 18.7 7.7 6.7 6.1 .. 207.6 9.0 

Female-- 1o.1 776.6 444.4 166.9 39.1 9.2 4.9 4.7 3.9 lzl.c 5.9 

NOnvhlte 27.8 769.7 508.( 21.9.C 60.7 20.2 9.9 X2.2 19:: 179.1 32.7 

Ml.e--- 30.2 798.0 528.i 265.C 72.0 27.2 1::: 11..8 u..7 23.3 201.4 14.9 

Female-- 25.4 782.6 490.( 177.1 51.5 14.? 9.1 7.7 3.3.0 14.4 160,5 10.4 

.2Asl! Solmc cmmAL------- 22.9 820.7 534.i 231.7 66.7 1.9.1 7.5 7.0 14.8 181.5 10.5 

M1.e---- 28.1 835.3 596.S 301.5 67.6 22.3 2:: 6.9 7.7 14.3 221.4 12.3 

Faml.e-- 19.5 808.2 469.6 170.3 52.8 14.5 7.3 5.8 5.9 3.5.7 146.9 8.5 

lndte---—---— a.4 636.4 5S4.i 241.3 75.8 17.2 8.5 5.5 .4.9 10.6 196.9 8.7 

Mile--- 24.S 846.2 630,4 329.2 102.9 22.5 ILl 6.2 4.2 .. 245.3 10.0 

FaUle-- 18.2 831.8 487.2 166.2 52.9 13.5 6.1 4.7 6.1 3.54.6 7.4 

lionwtdte --------------------- 2s.1 782.6 472.7 2?l.1.9 56.4 20.C 1.2.8 lz.7 IJ..8 3.6:; 153.1 14.5 

Kal.e---- 29.8 SIJ..3 5X5.5 246.6 61.2 23.9 3.6.6 16.2 16.3 22.7 176.7 17.7 

Faale-- 22.3 743.6 439.E 179.2 52.5 1.8.9 10.2 8.6 .. X5.9 3.32.9 IL2 

HFm! Som cmfmAL------- 20.0 743.7 548.1 230.2 62.0 lz.1 7.0 6.4 8.5 17.4 174.a 8.5 

24ale---- 21.6 764.7 610.S 262.1 78.2 14.9 6.8 6.6 7.8 16.6 20s,2 9.Z 

Fa!d.e-- 3.8.4 720.2 485.5 20S.7 4S.8 10.C 6.7 6.1 9.5 1.8.6 146;3 7.7 

Hhlte------------------------ 3.8.8 763.0 549.6 236.4 62,7 u. 9 5.4 7.1 ls.7 17.6.5 7.7 

M51e---- 20.5 807.1 604,c 279.5 80.4 X5.3 R 5.7 6.8 15.9 213.8 ‘ 8.4 

Feu!a.le-- ls:9 7X5.4 497.6 196.2 4s.0 9.3 6.1 5.0 7.6 24.0 147.6 6.8 

NOnwhite 24.8 682.4 543.5 S3.3.6 59.9 1.2.6 10.8 10.6 3.5.6 14.6 164.Z U,6 

Md.e--- Z5.G 638.3 630.1 2C8.O 7L 7 I&s ls.z 10.5 12.4 .. 161.5 lz.z 

Female-- 24.0 736.8 44S.2 217.9 50.9 l&3 9.4 10.8 15.7 .. 142.5 11.o 

MOCINTKCN ——— 23.7 9zl.3 566.E 241.3 53.9 13.4 6.7 4.9 “1O.2 ., i78.8 6.1 

141J.e—.—— 27.5 968.S 710.7 330.7 73.2 16.1 7.1 5.0 9.5 .. Z35.O 8.9 

19.6 885.9 428.6 162.1 36.1 9.6 6.3 4.8 .. .. 130.7 7.1 

Z3.o 918.1 564.1 232.4 51.8 1.2.9 6.4 4.2 10.6 .. 176.7 7.7 

14al.e---- 26.8 967.0 709.4 310,2 69.6 18.1 6.8 4.1 I.o.l .. 230.4 6.6 

Ftie-- 16.1 862.5 41.8.8 161.0 37.0 8.9 6.0 4.5 .. .. 1.30.0 ::: 

NOnwhite-----— 35.1 .. .. .371.4 85.9 .. .. .. 0 0 z.13,1 

M17.e---- 40.4 .. .. .. .. .. .. .. 0 0 31.5.8 15.5 

Fenmle-- 29.5 ,. .. .. .. .. .. .. 0 0 140.2 14.2 

PACIFIC---—-— 1.6.o 935.2 612.5 Z1.1.o 49.5 10S 5.2 3.4 4.0 12.4 .182.8 5.6 

M31.e---- 21.8 945.6 633.4 266.2 71.6 1.3.7 6.1 4.3 4.3 13.8 225.6 6.8 

Femd.e-- 16.1 686.6 553.7 156.4 31.0 8.0 4.4 2.2 .. 3.44.5 4.7 

9 

M31e---- SL’4 941.5 669,3 270.3 73.6 14.2 6.3 4.1 4.2 .. 228.2 6.8 

Femle-- 15.6 898.3 5*.5 .7.37.8 32.6 7.8 4.2 2.2 .. .. 144.3 4.5 

lionwhite-—-------— 23.8 878.0 634.6 165.7 33.6 9.6 5.6 .. .. .. 173.0 7.0 

O 

Hbite----—----. —.---— ------ 18.6 919.5 610.0 23.3.6 51.1 10.5 5.Z 3.3 4.0 10:6 ?.83. 5.7 

Male---’ 24t5 958.3 613..1 244.4 54.3 .. .. .. .. .. 2CC5. 6.7 

Fem?ile:- 22.9 764.7 647.1 .. .. .. .. .. 0 “.. 146.6 7.4 . . 

789-1470-65-5

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184 VITAL STATISTICS-SPECIAL REPORTS “““ 

-5. LIWBmWB-mm,M, .4m PWWU!LY OF B- UNI~ STM!2SAND 2A2E OqRAPSIC DIVISION,JANU& 11’0 W+&% 31) fi~


(BYplacebf residence. 3irthweisht.not statedare dlstrlbuted)


, 

BIR’I’S
 WSIGS9!(INGRAMS)


- - AREA, RA2E, AND PwwJxrX Total 1,000 i,ool- 1,501- 2,001- z,501- 3,001. 3,501. 4,001- 4#501 2,500 2,501 

or or or or 1,500 2,000 2,500 3,000 3,500 4;000 4;500 less more le6s mere

UNITEO s’rATssl	 337,786 3,Si6 5,061 IJ,3SB 41,240 L51,SOE )M.,629 :26,739 64,508 17,:65 61,637 776tL49 -

E ., 

2s5 198,389 55,753 12,6S6 49,934 

~

7ihite 717,1.33 3,169 4,079 9,206 33,460 L26,906 ;73,
 667,199

NOnwhite-- L20,653 739 1,002 2,182 7,780 24,902 42,344 28,550 8,753 4,599 ~, 703 10s,950


Singlebirths 920,618 3,243 4,128 8,946 36,225 L46,751 \13,216 ?26,258 64,403 17,448 52,542 7k6.076


Wbite 702,966 2,630 3,306 7,199 29,322 L22,663 !71,274 198,026 53,683 12,S59 42,459 680;507


Nmwhite-- 117,652 613 820 1,747 6,903 24,068 41,942 26,250 8,720 4,5a9 10;V83 107,669


Birthsin pluralsets 17,168 685 953 2,442 5,01.5 5,057 2,413 481 105 ,17 9,095 8;073


hhite 14,167 559 771 2,207 4>138 4,243 2,011 361 70 7;475 6,6s2


LVonwhit
 e-- 3,001 126 ls2 435 877 814 402 120 35 1: 1,620 l,3sl


~ ~-l 24,150 113 116 224 1,148 4,362 9,479 6,564 1,72s 346 1,671 22,479 

Uhite 23,644 107 105 282 1,103 4,255 9,280 6,465 1,709 336 1,597 22,047 

Nonwhite-- 506 6 11 1.2 45 107 199 99 18 8 74 432 

Sin@e births 23,689 96 104 222 1>021 4,213 9,410 6,556 1,721 546 1,443 22;246 

Uhite 23,203 ‘s4 93 21.3 979 4,113 9,214 6;457 1,702 338 1,379 21,624 

Nonwhite 486 2 11 9 42 100 196 98 19 6 64 422 

Blithsin plumilsets 461 17 12 72 127 149 69 6 7. . 228 263 

White 441 13 12 69 124 142 ’66 .6 7 Zls 223 

Nonwhlte-- 20, 4 3 3 7 3 10 10 

Mmm AmANmc ------------150,540 794 672 2,146 7,946 30,015 59,564 37,830 8,530 1,s43 11,758 “15s,5s!! 

Uhite 137,126 

NonwMte-- 13,214 

647 

147 

757 

Us 

1,831 

315 

6,,S15 26,499 

1,131 3,517 

54,354 35,442 9,070 

5,230 2,168 460 1)732 10,050 127.076 

1,70s ll;sos 

slz@e births 147,226 671 693 1,667 7,050 29,059 59,140 37,579 9,526 1,s43 10,081 137,L47 

White 134,542 533 598 1,416 6,018 25,639 53,,64B 35,392 9,066 1,732 .9,565 i25,777 

Nmvhite-- 1.2,666 13.9 65 251 1,032 3,420 5,192 2,187 460 U. 1,516 11,370 

8il_tbB 10 pluralsets 3,112 123 179 419 696 856 424 51 4 1,677 1,435 

White 2,784 114 15.9 415 797 659 386 30 4 1,4s5 1,299 

Nonwhite-- 328 9 20 64 99 97 Sa 1 192 436 

EAST NORTS CSNIRAL-.---.-- 170,653 837 930 2,129 7,s56 30,571 S5,537 47,012 12,981 Z,720 11,772 Es#&l 

White 157,330 740 621 1,S46 6,601 264995 60,47$ 44,610 12,452 2,5,90 10,20s 147,1.22 

Nonvhite-- 13,323 117 109 263 1,055 3,576 5,0S2 2,462 S29 lrlo 1,5s4 11,759 

Singlebirths 167,277 699 756 1,701 6>86Z 29,524 65,042 46,967 12,967 2,720 10,037 157;240 

White 1.34,264 602 666 1,459 5,93? 26,042 60,007 44,527 12,439 2,590 8,659 145,605 

Nonwhite 13,013 97 90 242 949 3,482 5,033 2,460 528 130 1,378 11,656 

Blmbn’in pluralsets 3,376 156 174 42S 975 1,+7 495 as 14 1,735 1,641 

Ubite 3,066 136 1.55 3s7 869 953 466 e3 13 1,649 1,517 

Nonwhite 310 20 19 41 106 64 27 2 1 186 124 

WHI NORTS ~--------- SO,165 363 421 958 3,322 12,7S5 29,927 23,549 7,174 li68S 5,064 ‘75,121 

kbite 76,708 333 396 893 3,094 11,962 28,3S9 2.2,s40 6,983 11618 4,716 71.892 

Konwhite 3,477 30 25 65 228 823 1,338 709 191 68 549 3;129, 

Slnglebirths 76,694 301 350 717 2,932 12,333 29,677 23,507 7,169 i,6SS 4,320 74t374 

White 75,311 275 329 6?1 2,74s 11,643 28,345 22,S03 6,979 l,61S 4,023 71,2SS 

Nonwhite 3)3s5 26 21 46 204 792 1,332 704 190 6S 297 3,0s5 

BitihOin pluralsets 1,491 62 71 241 370 430 250 42 5 744 747 

White 1,397 56 67 222 346 419 244 37 4 693 704 

Nonwhite-- 34 4 4 19 24 31 6 5 1 51 43 

SOUT8ATLANTIC 152,642 389 92S 2,033 7,002 24,128 46,153 35,317 10,s30 3,s41 10,552 122,090 

White 91,786 375 554 1,298 4,613 16,73S 34,365 24,792 7,135 1,916 6;S40 S4,948 

Nmwhite-- 40,s54 214 374 735 2,369 7,391 13)7S8 10,525 3,515 1,923 3,712 37,142 

Singlebirths .29,875 496 769 1,605 6,225 23,325 47,768 35,219 10,6I.2 3,834 9,097 120,778 

White 90,012 325 468 1,007 4,0s4 16,201 54,148 24,745 7,109 1,93.5 5,6S4 S4,118 

Nmwhite-- 39,s63 173 301 5S8 2,131 7,L24 13,s40 10,474 3,503 l,9i9 3,203 36,660 

Birthsin pluralflets 2,767 91 159 42S 777 6C4 365 98 ?A 1,455 1,312 

Nhite 1,776 50 86 291 519 537 217 47 26 : 246 630 

Nonwhite 991 41 73 137 256 267 148 51 12 4 509 4s2 

NAST SOOTS CENTP&--------- 76,093 290 505 1,027 3,683 12,304 26,367 21,482 7,263 3,172 .6,503 70,568 

kihite 52,769 196 340 682 2,333 s,195 18,659 15,387 5,059 1,’/04 $,365 49,204 

Nonwhite-- 23,324 92 165 333 1,5-48 4,109 7,70a 5,8S5 2,204 1,466 1,s40 21,3S4 

Singlebirths 74,393 213 406 776 3,192 11,854 2S,132 21,411 7,246 3,163 4;587 69,a06 

Whfte 51,6s4 149 279 51s 1,897 7,909 18,528 15,548 5,065 1;701 2,643 4a,741 

Iionwhite 22,709 64 127 258 1,195 3,s45 7,604 5,ss3 Z,lsl 1,462 1,644 21,065 

Sirtimin plural.
setn 1,700 77 99 251 491 450 235 71 17 9 91a 782

WMte 1,0s5 49 61 174 33s 288 X51 39 4 3 622 463


Nonwhite-- 615 2s !58 77 ls3 164 lM 32 13 6 29a 319


%x.ludes data for 33s8i3achuset.t8. 
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Ytil.45, No. 10 WEIGNT AT BIRTH BY GEOGMPNIC DIV1810N i85 

TA7!LES. LIVSBISTSSBYmmm,Rm,” mmmml?ly OF B~ ~S!M7!3Sf4?DEACS OSWSWEIC DIVISION,


JANWRY 1 TO .MAS~ 31, 19S0-40ntinued


(3yplace of residence. BIrtbweightsnot statedare dlstrftuted)


II 

8mm WsIm (IN ORMs) 

dmA, Rim, ANDmmALITx Wtal. 1

1,000 1,oo1- l,sol- 2,001. 2,501. 3, cm- 3,501. 4,001. 4,s01 2,s00 2,s01 

or or or 

less 1,s00 2,000 2,s00 3,0W 3,s00 - 4*OCQ 4,500 more 1:s more I 

.-...----

hhlte .S9,080 

70,647‘ 

353 

270 

651 

413 

1,112 

606 

4,161 

3,092 

1.5,226 

1.1,721 

31,860 

2sf 658 

23,632 

20,667 

7,6b6 

6,1S4 

2,477 

1,654 

6,179 

4,S63 

62,sOl 

66,0s4 

Nonwhlte.- 16,433 8S 13a 304 1,089 3,s0s 6,002 4,963 1,522 823 1,S96 fs,s57 

Slnglebirth 87,219 291 42s 897 3,S60 “ 14,722 31,56s 2S,576 7>671 2,477 S,173 S2,C46 

!hite 69,2.70 216 307 661 2,667 1.1,331 2S, 6S9 20,616 6,157 1,654 3,s51 6Sfi19 

Nonkhite-- 17,s49 75 118 236 693 3,391 S,939 4,960 1,514 623 1,322 16,627 

Blrttmin pluralsets 1,ss1 1.26 23.5 601 S04 262 74 35 1,006 

.itzsramsmfrsm 

Ubite 1,377	 : 106 147 425 390 199 49 7 732 645 

Nonwhite-- 4s4 F10 20 66 176 114 63 25 8 274 210 

.MaNmuN------------------- 33,625 176 247 547 2,0s8 7,411 13,149 7,901 1,766 30,5s5 -. White 31,s29 171 234 512 1,970 6,9s6 12,462 7>s40 1,673 26,942 

Nmwl@te-- 1,796 7 13 3s lse 44s sa7 361 93 1,613 

Sl@e births------------:-----32,902 X56 196 440 1,877 7,2L7. 13,05s 7,693 1,765 30,2S3 

ilhite 31,147 X51 169 41.5 1,7s4 6,771 12,372 7 ,S32 1,672 28,S48 

Nomfhite-- 1>755 s 7 113 “ 440 6S4 361 93 1,60S 

3irthsiiipluralsets 723 42 51 1% 221 20+1 93 a 1 421 302 

6411ite 6S2 40 4s 97 20s 19s 90 8 1 3ss 2s4 

NLmwbite-- 41 2 6 10 15 s 3 - 33 6 

I 

PAC3pIC 81,016 389 511. 1,142 4,024 15,00s 31,593 21,372 5,730 1,0s2 .6,066 74,932 

Hh4te 75,292 346 4s9 1,C44 3,637 13,S76 29,263 20,44s S,soe 1,o1.1 5,4ss 69,804 

Nonwhite-- 5,726 41 S2 98 387 1,429 2,330 1,126 222 576 s*14a 

Singlebirths 79,s41 35a 429 921 3,467 14,508 31,373 21,526 5,726 1,0: SJ.55 74 ,1s4 

7ihite 73*733 305 379 839 3,123 13,114 29,053 20,426 5,504 1,010 4,646 69,067 

Nonwhite ~ 5,608 33 30 82 344 1,3s4 2,320 1,122 222 41. 509 5,099 

~ I%h8 in plumlsets 1,677 31 62 221 5s7 497 220 44 4 1 911 766 

White ~ 1,559 60 20s 514 462 210 40 4 1 642 717 

Nonwhite--LIJ8 43

43

6 2 16 135 10 4 69 49 

(4’ R~ Of=~i*nce. M* Veisbta hot statedare distributed.!&m dots (..) indicate¢ not cmguted here bm is le.. than K@ 

ZIS!lH WEIOST (U OSAM!) 

M2A, sAc2, AsDmIs.umr l,m

or 1,oo1-1,501. 2*CQ1. 2,501- 3,001- 3,501- 4,001- 4,5CU 2,300 2,sol 

or or or less 1,52+3 2,002 2,500 3,C@o 3,30CJ 4,000 4,s00 mare km more 1 --1- WK!120 m!Am=--- 100.0 0.s 0.6 1.4 4.9 27.1 7.7 2.1 7.4 ‘92.s 

liillte---- 100.0 0.4 0.6 1.3 4.7 17.7 38.1 27.7 7.8 1.8 7.0 93.0 Nonwhite-- 100.0 0.6 0.8 

* La 6.4 20.6 33.1 23.5 7.3 3.8 9.7 90.$ 

61@e births 100.0 b71ite---- 100.0 

0.4 

0.4 

0“.s 

0.s 

1.1

1.0 I 4.4 4.2 

17.9 

17.4 

58.2 

3S.6 

27.6 

2s.2 

“7.8 

7.9 ::: 

6.4 

S.o 

S3.6 

94.0 NonEMte-- 100.0 0.5 0.7 5.9 20.5 35.6 24.0 7.4 3.9 8.6 91.4 Birim 10 alvral &wtLl--100.0 .4.0 5.6 1::: 28.2 28.5 14.1 2.8 0.6 0.1 53.0 47.0 

liOnuhitc 100.0 4.2 6.1 14.5 26.2 27.1 1.5.4 4.0 1.2 “0.s 54.0 46.0 

Ssw lmoLAsDL 100.0 0.s 0.5 1.2 I 4.8 I.s.l 39.3 27.2 6.9 93.1 wllte 100.0 

nOmhlte-- 10Q.O 

0.5 

1.2 

0.4 

2.2 

1.2 

2.4 

4.7 

8.9 

18.0 5s.2 

21..1 39.3 

27.3 

la.& 

;:; 

3.8 

::: 

1.6 

S.s 

14.8 

93.2 

65.4 Sin61ebi~s--- .............. 100.0 0.4 0,4 0.9 4.3 17,8 39.7 27,7 7.s 1.5 93.9 uhlte 100.0 0.4 0.4 0.9 4.2 3.7.7 39.7 27.8 7.3 1.5 ::; 64.1 lzOqmllite--120.0 0.4 2.3 1.9 %.8 20.6 40.3 20.4 3.8 1.6 13.2 S6.8 Bil-thin plural aets 100.0 3.7 2..6 3.5.6 27.S 32.S 1.7 1.5 0 49.s SO.5 liMte 100.0 2.9 2.7 15.6 28.1 32.z E:: 1.8 1.6 0 49.4 50.6 nomMt5-- .. . . 0 .. .. . . . . 0 “o 0 � . .. 

ATIAmm 100.0 0.5 0.6 1.4 S.3 20.0 3S.6 6.3 X.2 7.8 92.2 

iiMt-+--- 100.0 3.9 S.4 14.2 29.2 2s.9 14.2 2.s 0.5 0.0 S2.8 47.2 

UmDiz 

nonwhite. 100.0 1.1 0.9 8.6 26.6 5S.8 16.6 3.5 I 0.8 32.9 87.& 

Single bia%bs 100.0 0.5 0.5 ::: 4.8 19.7 40.2 25.5 6.5 1.3 6.8 93.2 1611te----.$100.0 

modlita-- 10Q.O 

0.4 

1.1 ::: 

1.1

1.9 I 4.s 8.0 

19.1 

2s.s 

40.2 

40.3 

26.3 

17.0 

6.7 

S.6 

1.3 

0.8 2:: 

93.6 

8s.2 ~ in pluralsets .-— 100.0 4.0 5.8 1.5.4 28.8 30.7 13.s 1.6 0.1 0 53.9 4s.1 

i!hite 100.0 0.5 0.6 1.3 5.0 ‘19.3 3S.8 E:: 6.6 1.3 ?.3 82,7 

UMtr . ... 100.0 4.1 5.7 14.9 28.6 50.9 13.9 1.8 0.1 0 55.3 48.7 uOmdllt.s-- 100.0 2.7 .6,.1 ls.s 30.2 29.6 U.8 0.3 0 .0 68.5 U.s 

%6xclUdmdmta for M6suibuset.tm. 
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186 VITAL STATL9TICS-SPECL4L REPORTS .+ ,., ,.. ,“

TAS12 6. PERCENTAGEDISTRIBUTION OF LIVE BIST2SBY BIRINW31GHT,BY SACE ANO PLUSAL2TYOF BINH: UNITQ STA!CTS ANO EM+ GE09RWSIC DIVISION,

JANOASY1 ‘IONASC7131, 1950-2ontlnued 

(BY place of residence.Birthweightsnot 6tfAedare d&rib.ted: NO dots (..) indicatewrcent not Cwu*d when b- iS less ~~ 100) 

J- EAST NORTSCZNIRAL 0.5 0.5 1.2 4.6 17.9 38.4 27.6 7.6 1.6 “6.9 - 93.X 

White 100.0 0.5 0.5 1.2 4.3. 17.2 3s.4 28.4 7.9 1.6 6.5 93.5 

NOnwhite-- 100.0 0.9 0.8 ‘2.1 7.9 26.6 36.0 16.5 4.0 1:0 =.7 66.3 

,Sin6J.e births 100.0 0,4 0.5 1.0 4.1 17.6 3s;9 26;1 ::.: 1.6 6.0 94.0 

whit-e 100.0 0.4 0.4 0.9 3.6 16.9 38.9 28.9 1,7 5.6 94.4 

Nonwhite 120.0 0.7 0.7 1.9 7.3/ 26.8 3a.7 18.9 4.1 1.0 10.6 .69.4 

Birthsin pluralset8---------- 100.0 4.7 5.2 12.7 28.9 31.0 14.7 2.5 ., 0 51.4 48.6 

white---- 100.0 4.5 5.1 12.s 26.3 31.1 15.3 2.7 u“ 0 50.5 49.5 

Nonwhite 100.0 6.5 6.1 13.2 34.2 30.3 6.7 0:6 0.3 0 t ’60.0 40.0 

WEST lfOR!Ei omTs4Le 120.0 0.5 0.5 2.?.2 4s 15.9 37.3 29.4 6.9 -2.1 6.3 93.7 

white lCQ.O ,0.4 0.5 1.2 4.0 15.6 37.3 29.8 9.1 2.1 6.1 93,9 

Nonvhite-- 100.0 0.6 0.7 1.9 6.6 23.7 38.3 20.4 5.5 2.0 10.0 “90.0 

Singlebirths 100.O 0.4 0.4 0.9 3.8 13.7 37.7 29.9 9.1 2.1 5,5 94.5 

Nhite 100.0 0.4, 0,4 ‘0.9 3.6 15.3 37.6 30.3 9.3 2,1 94.7 

Nonwhite-- 100.0 0.8 0.6 1.4 6.0 23.4 39.4 20.8 5,6 2.0 ::: 91,2 

2irtbsin Pldml sets 100.0 4.2 4.8 16.2 24.6 30.2 16.8 2.8 0.3 0 49.9 50,1 

mite 100.0 4.2 4.8 15.9 24.8 30.0 17.5 2.6 0.3 0 49.6 50.4 

Nomfhite .. .. .. .. ,. .. .. .. .. ,0 .. ,.. 

sours ATLANTIC 100.0 0.4 0.7 1.5 5.3 1s.2 36.3 26.6 6.0 

Nhite 100,0 0.4 0.6 1.4 5.0 la.z 37.4 27.0 

Nonvhite-- 100.0 0.5 0.9 1.6 5.8 @.1 35.7 ?5..9 ::: 

Sin@e birth.+----------------- 100.0 0.4 0.6 1..2 4.8 la.o 36.S 27.1 a.2 

hllite 100.O 0.4 0.5 i.1 4.3 16.0 37.9 27.5 7.9 

Nonvbik-- 100.0 0.4 0.8 1.5 5.3 17:9 34.2 26.3 S.8 

B7.S’I!{
 NEIGST (INGRAMS)


Am& FL40E, Am FLw’rf mtal 1,000 1,oo1- 1,501- 2,001- 2,501- 3,001- 3,501- 4#ool- O= ., 4,501 2,500 2,8501

or .or or 

less 1,500 2,000 2,500 3,000 $,500 4,000 4,500 more less Iao= 

100.0 

Iiirths 

Whit.e 100.0 2.8 4.8 16.4 26,.2 30.2 12.2 2.6 1.5 

Nonwhi@-- 100,0 4.1 7.4 13.8 26.0 26.9 14.9 5,1 J..2 

S4ST SOUTH CENIRAL . . . . . . . . . 100.0 0.4 0.7 1.3 4.8 16.2 34.7 2s.2 9.5 4,2 7,2 92.8 

white 100.0 0.4 0.6 1.3 15.5 33.4 29.5 9.6 3,2 6,8 . 93.2 

Nonwhite 100.0 0.4 0.7 1.4 u 17.6 33.0 25.3 9.4 6.3 5.3 Q1.7 

Singlebirths 100.0 0.3 0.5 1.0 4.3 15.9 Z5.1 28.8 9.7 .4.3 6.2 93.6 

white 100.0 0.3 0,5 1.0 3;9 15.3 35.8 30.1 9.8 .3.3, , 5,7 94,s 

Nonwhite 100.0 0,3 0.6 1.1 5.3 17.4 33.5 25.8 S.6 6.4 7.2 92.S 

Birthsin pluralsets 100.0 4.5 5.s 14.a 28.9 26.5 13.8 4.2 1.0 0.5 54.0 46.0 

wh.tte 100.0 4.5 5.6 16.0 33.;2 26.4 12.1 0,.4 ,0.s 51..3 42>7 

Nonwhite 100.0 4.6 6.2 12.5 24.9 26.7 16.9 ::: 2.1 1.0 4s.1 ..51.9 .,”. 

mm Sowm CENTsAL -..-.--- 100.0 0.4 0.6 1.2 4,7 17.1 35.8 28.8 8.6 2.8 6.9 93.1 

white 100.0 0.4 0.s 1.1 4.4 M .6 36.6 29.3 8.7 2,3 6.5 93.5 

Nomhite-- 100.0 0.5 0.7 ,1.6 5.8 19.0 , 32.6 27.0 8.3 4.5 8.7 r,91.3 

SinglebirthsT 100.0 0.3 0.5 1.0 “4.1 16.a 36.2 ,29.3 8.8 2.8 5.9 94.1 

‘mite 100.0 0.3 0.4 1.0 3.9 16.4 37.0 . 29.8 8.9 2.4 5.6 94.4 

Noniliite-- W3.o 0.4 0.7 1.3 5.0 ,M3.9 33.1 27.6 8.4 4.6 . J.: 9.S.6, 

Birthsin pluraiset8---------- 10Q.O 

mite 100.0 

3.4 

3.9 

S.6 

7.7 

1.1.6 

10.7 

32.3 

5+9 

27.1 

2S.3 

14.1 

14.5 

4.0 0.8 

0,5 

o 

0 ‘+ . 33.2 

46.9 

46.8 

Nontiite-- 100.0 2.1 4.1 14.0 34.4 23.6 13:0 , ::: 1.7 0 56.6 43.4 

in plural.9eta 100.0 3.3 5.7 15.5 26.1 26.1 13.2 3.5 1.4


MOUNTAIN------------------- 100.0 0.5 0.7 1.6 6.2 22.0 ‘39.1 23.5 5,3 

white 100.0 0,5 0.7 1.6 6.2 sl.9 39.2 23.7 3.3 

Nonvhite-- 102.0 0.4 0.7 1.9 7.1 24.8 3a.3 20.1 5.2 

Single birthe--------;--;: 100.0 0.4 0.6 1.3 5.7 SJ..9 39.7 24.0 5.4 -. 100.0 (3.4 0.6 1.3 !5.7 2J..7 3a.7 24.2 5.4 

Births in Pimdsets 100.0 5.8 7.1 14.8 30.6 27.7 12.9 1.1 0.1’ 

Mhit.e 100.O 5.9 6.6 14.2 30.% 26.6 13.2 1.2 0.1 

Nonwititi?-- .. .. .. ,. .. .. ,. 0 0 0 . . I ., ,, 

Nonwhite-- lCO.O 0.3 0.’4 1.4 6.4 .25.1 39.0 20.6 5.3 

liJlit.3-----

Nonwhite-- 100.0 6.6 0.9 1.5 6.1 24.9 41.4 20,0 4,0 ‘0.7 9.1 90.9 

;Birthnin plural‘e+.$---------- 100.0 3.0 4,9 13.2 33.2 29.6 13.1 2.6 0.2 .0.1 %4 .%3 .43.7 

lmlita 100.0 

llOnwhit.e--100.0 

2A 

6.s 

5.1 

1.7 

13.1 

13.6 

33.0 

36.4 

SS.6 

29.7 

13.5 

5.5 

2.6 

3.4 

0.3” 

0 

‘0.1 ,, ) o 

54.0 

58.5 

46.0 

41.5, 

PAcmIc---------------------100.0 0.5 “0.6 1.4 5.0 la.5 39.0 26.6 , 7.1 1:3 7.5 92.5 

uhite 100.0 0.5 0.6 1.4 4.6 18.0 38.9 27.z 7.3 ‘1.3 7,3 92.7 

Nonvhite 100.0 0.7 0.9 1.7 6.a 25.0 40.7 19.7 3.9 0.7 10.1 6s.9 

Sin@e biithn 100.0 0.4 0.5 1.2 4.4 18.3 39.5 27,1 7.2 1.3 6.5 ‘ 93.5 

100.0 0.4 0.5 1.1 4.2 17.8 ‘39.4 27.7 7.s .1.4 6.3 93.7 J,.$ .,,, ,A,,. 

,...
 ,.
..


‘, 

,, ,., . ,. , .. . 

. .. .. .. -,. 
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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 187 

TABIE7. D2ATSSONDSR28 DAYS BY BIRTHWSIGST,RACE,.ANOPLUPJUTY OF BIRTS: UTJITSDSTA!l’2S
 AND EACH GEOGRAPHICDMSION,


JANUARY1 TO MARCH31, 1950


(2YP~ce Or residenceat birth. Includesdeathsemangchildrenborn Jan.1 tu mm. 31, 1950. Birth‘~eights
not statedare distributed)


BIRTHhTXGm (IN GRAMS)


IR2A, PACE, ANO PUJRAUTY Total.1, Ooc 

or L,001 1,501- 2,001- 2,501 3,001 3,501 k, 001 &,501 2,500 2,501 

less L,500 :,000 2,500 3,000 373-30 4,Ooc !,500 or or or 

more less more 

UNITSDST17!SS1----------------
 16,741 3,42 2,60 2,403 2,078 l,91! 2,1U 1,28 46 24 10,70 6,035


White 2.3,521 2,sl 

.


2,29 

z

1,976 1,693 1,52{ 1; 7% 98 37 15 8,77 4,742 Nonwhite- 3,220 60 50 427 3a5 3s~ 40: 29 10 9 l,e2 1,293 

kat.b among singlebirth8-------- 15,049 2,62 2,32 2,04s 1,913 1,85: 2,06 1,27 47 24 9,10 5,940 Khite---- 12,183 2,31 1,90 1,71s 1,56s 1,4% 1,s8 97 37 15 7,50, 4,682 Nonwhite- 2,86S 51 41 332 345 3s 40[ 29 10 9 1,601 1,258 ~.
 Oeathsamongbirthsin plural sets 1,6S2 59 48 355 1s5 2: 1,59 95
 White---- 1,33s 50 39 260 1.25 3( 1( 1,278 60
 Nonwhit-e 5s4 9 s 95 40 2: < 31’ 35 

~ ~G~l-- 485 10 7! 70 48 Sf 73 3 29 188 white---> 467 9 6 68 46 6: 71 3 i 1 2G 1ss Nonwhite- la ( 2 2 1! 3 Bat@ amongsinglebirths 446 6 71 59 44 & 71 3 1 26: 187 nhit.e 433 81 s. 57 42 61 71 3 1 1 24! 164 Nonwhite-. 15 1 2 2 1 x 3 Dsatbaamongbirthsin pluralsets 37 ; U 4 3( 1 

-


IiMte 34 n 4 3: 1
 Nonwhite-. 3 .:


MmmE ATIAmIc 2,836 ;2! 45( 385 318 292 374 19/ 6! Si 1,88! 9;2 White 2,441 59 39f 347 274 256 32C 16< 5! 1! 1,Sx 830 ~ Nonwhlt.e-. 395 13: 6( 44 36 4e 1( 27: 122
 Deathsamong6ing2ebirth 2,550 61 37i 3: 294 284 372 19! 6! 1,6C4 942
 WI*----- 2,180 481 32: 300 250 24S 326 16) 3! : 1,35: 62i
 ~
 Nonwhite-. 370 12: 5: 29 44 35 46 1( 24: la
 D=athsamongbirthsin pluralsets 286 lx 84 S6 24 E 2 27[ 10
 White 261 la 75 47 24 7 2 2s 9
 Nonuhite 25 [ < 9 1 24 1


EAST NORFS CENITW----.----------.---- .
 3,1.1o 7G 5G 404 3.71 35C 36e 23: 12( 3< 2,(X4 1,1C6
 white 2,787 6X 46( 337 290 3C6 33s 211 lx 2: 1,784 1,003
 ~
 NomMte-- 323 la 4i 47 a 44 30 : 22( 103 D3athsemcmg singlebites 2,788 6X 42( 35s 289 337 3S6 23! lU 34 1,70( l,oea mite 2,497 54( 37: 313 270 294 338 2X m 2: 1,51C “987


birthsin pluralsets 

white 322 

290 

14-

lx 

Si 

81 

46 

44 

22 

20 

z 

X2 1 

1 J z 

304 

274 

16 

16 NotiitG- 32 1( e 4 2 1 1 3C 2 

HESII NoRTS CRWRAL—. . . . . . 1,539 32( 24S 232 177 173 188 lx 42 25 97e 561 %olIte 1,457 29f 2X 220 168 170 177 12: 41 22 922 535 Nonvhite--

Deaths @mong6ingle birthe 

82 

1,379 

2< 

2= 

u 

214 

ls 

186 

9 

160 

3 

171 

11 

184 [ 

132 

1 

42 

~ 

25 

5e 

625 

26 

554 14hite 1,307 24t 2N 176 152 168 173 124 41 22 779 528 NomAIIte-- 72 2( e 10 s 3 U. t 1 ~ 46 26 Deaths among 

Nonwhite-- 291 & 41 43 19 30 x ( : 19C 101
 Ikathsea!ong


birthsin pluralt!ets 160 E E 4s 17 2 4 1 153 7 white 150 51 32 44 16 2 4 3 143 7 Nonwhite-- 10 4 2 1 10 

soresAtlantic 2,913 473 4ss 445 401 372 352 246 al 54 1,SC6 1,107 Hhite 1,776 

Nmnhite.. 1,137 302 

16S 

29S 

19C 284 

161 

256 

145 222 

1.50 

215 

137 144 

104 

3s 

43 16 

3s 

l,lci 633 

472 lkathLJamong sin~e births 2,626 

wnite 1,636 

Noouhite-- 990 

40: 

263 

14C 

403 

25S 

149 

36S 

:$ 

368 

242 

126 

336 

217 

139 

345 

212 

133 

24e 

144 

10Z 

a 

34 

43 

54 

1s 

3a 

l,:R 

1,009 

535 

1,0s2 

627 

455 =aths amongbirthsin plurtisets 267 fie 84 77 16 7 2 262 25 2ihite 140 39 43 36 : 5 3 ,. 132 8 Nonwhite-- 147 2e u 41 19 U 4 2 130 17 

EAm Sml!E c~------------------- 1,739 23e 270 238 253 223 256 161 51 999 740 Sihite 1,131 166 192 167 177 Ml. 1s9 86 25 : 702 429 Nmwhite-- 72 78 71 76 82 99 26 29 297 311 -athe among singlebiros 1,:: 174 229 194 226 214 256 1: 50 47 .S23 726 mit.e 1,019 125 164 146 160 13s 158 63 25 la 595 424 Wmwhite-- 530 46 S5 4s 6S 76 98 74 25 29 228 302 Imatbsamongbirth in plural8ets 190 Wt,e.----. IJ.2 

64 

41 

41 

2e 44 

21 : 

9 

3 2 

1 2 

1 

1 176 

107 

14 

5 Noowhlte-- 7a 23 13 23 10 6 1 1 i 69 9


lExcludesdata for 24saaachuaetts.

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188 VITAL STATISTICS–SPECIAL REPORTS 

TA6L27. DE.4TBS bTiDER28 DAYS BY sI.RTNWEIGST,W&, AN! PLURALITYOF BIR’iii: UNITdDS1’A12ES
 AND EACH GEOGRAPHICDMSION, 

WWRY 1 TO 144RCH31, 1959-Continued 

(BYplace of residenceah birth. Includesdeathsamongchildrenborn Jan. 1 to Mar. 31, 1950. Blrtbweightsnot statedam distributed)


.--—..--..— /-.. ------

AFwA, RACE, mm PLURALITY rota 1,020 1,001. 1,501. 2,001- 2,501- 3,001- !,501 

or or 

less 1,500 2,030 2,500 3,000 5,500 nore


W36T Semi CmmAL--------------------- 1,783 

hhlte 1,325 

Nonwhlte 458 

264 

2’36 

58 

302 

227 

75 

256 

191 

63 

258 

194 

64 

164 

139 

45 

247 

182 

65 r 44 

21 

43 

31 

12 

1,060 

8127 

262 

703 

307 

196 

Maths romp,sin@e birth6-----------------1,587 216 7.26 218 253 182 240 164 65 43 693 694 hhite 1,170 162 164 164 176 139 ’179 lU 44 31 666 504 

Nonwhite 417 54 U 54 57 43 61 53 21 12 227 190 

Ik?aths
amongbirthsin plural sets 196 48 76 36 25 2 7 187 9 

Whit.e 15.5 44 63 27 18 3 152 3 

Nonwhite 41 4 13 11 7 2 4 35 6 

MoUNTAIN 796 164 140 132 113 99 68 39 1s 3 549 247 14hlte 733 157 132 1.L9 102 90 80 32 18 3 510 223 

Nonwhite 63 7 8 u 9 6 7 39 24 <


maths among6in@e births 718 125 117 1:: 111 99 86 39 18 3 473 245 Nhite 662 120 Ilz 109 10C 90 76 32 18 3 441 221 

Nomhite-- 56 5 5 u 11 s 8 7 32 24 

Deathsamongbirthsin pluralmats 78 39 23 12 2 2 76 2 

Wite 71 37 20 10 2 2 69 2 

Nmwhite-- 7 2 3 2 7 

PWUIC 1,540 556 313 241 199 157 165 73 23 13 1,109 

Nllite 1,404 320 280 223 .166 143 1s2 67 22 u 1>00s 

Nonwhite 136 36 33 16 13 14 13 6 1 2 100 

Dmths among singlebirths 1,404 30B 268 218 1S6 2.50 165 7L 23 13 9!32 mite----- 1,279 279 236 203 176 136 1s2 65 22 11 093 Nomhi te 125 50 32 15 12 14 13 6 1 2 89 

ImJthsamong blrth6 in plurKleets 136 46 45 23 U 7 ,2 - 127 s h?lite 125 42 44 20 10 7 2 3.2.6 9 

Nonwhite u 6 1 3 1 U 

-——-..-.-———— —-


TAILS8, NFK)NAl@L MORT#J.lTY RATFSSY BIRTSWEIGST,RACE, AN2 PLNRALZTYOF BIRTd:UKtTEDSTMP2SMD FAX 6E0-GRAPBIC
 DMSION,


J.4NWRY1 TU MARCH 31, 1950


(~ place of residenceat birth. Basedon deathsunder 28 days m.ongchiltien born Jan. 1 to Mar. 31, 1950. Ritesper 1,000livebirth~in

each ~pecificdgrmp. Birthweights not statedare distributed.Two dots (..) indicateratenot computedwhere the numberof deathsis 

les6 them 10) 

—--—. — — .— —---—-

B~’13WEIGST(IN GRAMS).


ABE% RACE, m PLURALITY mtal 1>’000 1,oo1- 1,501- 2,001- 2,501- 3,001- 3,501- L,ool- 4J501 ,500 ?,501 

or 1:s 1,500 ?,000 ?,500 3,000 3,500 &,ooo L,soo ~fe 1:s MOE 

- L---l- NNITEDSTATES1-----------------20.0 871.7 551.3 211.0 50.4 12.6 6,7 5.6 7.5 14.2 173.7 7.6


~ ~ 

Wbite 18.9 6e3.3 562.1 214.6 50.6 12,0 6.2 4.9 6.7 12.0 175.6 7.1 

Nmwhite.. 26.7 821.4 507.0 195.7 49.5 15.4 9,7 10.5 12.5 20.2 164.7 3-1.9 

t+- lkathsamongsinglebirths 18.3 871.7 562.3 226.9 52.8 12.6 6.7 5.6 7.4 14.2 173.4 7.7 

Vhite 17.3 6S0.Z 575.0 238,4 53.5 12.2 6.2 4.e 6.7 12.1 176.7 7.1 

Nonwhite 24.4 635.2 511.0 190.0 50.0 ls.1 9.5 10.4 12.3 20.3 159.5 1.1.7 

E?athsamongbirthsin plural. 

h’hite 94.4 896.0 507.1 129.5 30.2 8.5 e.0 .. .. 0 171.0 9.0 

Nonwhlte.- 116.0 754.0 489.0 218.4 45.6 25.8 .. .. .. 0 196.e 25.3 

N2W ENGLANDL 20.1 920.4 S46,6 238.1 41.8 14.2 7.5 s.2 8.1 .. 177.7 8.4 

White 19.6 S25.2 S57.1 241.1 41.7 14.3 7,7 5.1 8.2 .. 17S.6 8.4 

Nonwhite-- 3F5,6 .. .. .. .. 0 .. 0 .. 202.7 ,, 

among ~inglebirths 16.S 916.7 673,1 265.8 43.1 14:; 7.5 5.0 8.1 .. leo.9 8.4 

sets- 96.6 e71.5 503.7 145.4 32.9 11.3 10.4 .. .. 0 175.6 .71.8


L%atJ18


white le.7 914.9 68e.2 267.6 42.9 14.8 7.7 5.0 8.2 ., leo.6 8.4


Nonwhite
.- 30.9 .. .. .. .. 0 .. 0 .. 187.5 ..


moue birthsin pluralsets eo.3 841.2 .. 152:: .. 0 0 .. 0 . 157.9 .. 

White 77.1 1,000.0 .. 159.4 .: 0 0 .. 0 - 151.4 .. 

Nonwhite-- ,. . . 0 0 0 0 .. 0 

MILmLEATLANTIC 16.9 913.1 522.9 179.4 40.0 9.7 6.3 5.2 7.2 11,9 160.2 6.9 

!4b.lte 17.e 91e.1 523.1 169.5 40.2 9.7 6.0 4.7 6.5 U.o 160.3 6.5 

Nonwhite 29.9 891.2 521.7 120.6 36.9 10.2 8.6 12.3 21.7 159.8 10.6 

Ikathsmong singlebitih~.-.-..------.---- 17.3 913.6 53S,8 197.4 41.7 9.6 6.3 5.2 7.2 n:; 159.5 6.e 

White 16.2 92.5.6 536.e 211.9 41.5 9.7 6,0 4.7 6.5 11.0 2.58.7 6.5 

Nonwhite 28.7 905.8 536.6 lle.s 42.6 10.2 8.9 12.3 21.7 .. 164.2 10..6 

Maths mmg birthsin pluralset6--------- 91.9 910.6 469.3 116.9 26.8 .. .. 0 0 - 1S4.6 7.0 

!4hite 93.6 929.8 471.7 L13.3 50.1 .. .. 0 0. - 169.7 .. 

Nonwhite-- 76.2 I .. .. ,. 0 .. 0 0 12s.0 .. 

ik?aths


%cluden data for Mnmachusetta.

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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 189 

- s. mmm MO-TY RNJ2!SBY B= U21G3T,P&32,~ n~ oF~LUiI!mD 8TAms A2mxACE s2~ C DIVISIOS, 

JANUASY1 TO MARCH =, 1950-Continued 

(S% hednote on p. 168) 

- w21082!(11608#@ 

ARIA, RAc2, AND PLOR4LITY lbtd. L,OW 

E4ST NO~ ~ 

Wblte 

Nonwhi’te--

2cathEazongsinglebirths


Wbite


Nonwhite--


Deathsabmg birthsfn pluralsets


lillite


Nomihlte--


,) U2ST NOFfCS~ 

h’h.ite 

NoniWte--

mtha azag singlebirthn ~te-.... 

Nonvhite--


Deatis-W birthsin plural 6ets


White


Nonwbite--


Sourii ATLANTIC 

mite


NOmhlte-­


haths among singlebites 

White 

Nonwhlte--

Baths anongbirthsin plurelsets


White


Nonwhite--


EL2T sm CE41R.U mite 

Nonwhite--


DeBth6among Sil@C births


Hhite


Nonwhite


Maths aznngblrtbain plural@eta


White


Nonwhite--


W2ST Souc!scmilmL— 

Hhite


Nonvhfte--


Dsath8mrangsinglebirths


Wite


Nonuhite--


Maths mnongbirthsin pluralsets


L,OOl- l,sol- 2,001- 2,501. 3,001- 5,501- L, wl- 4,301 2,500 2,501 

or or 

12s !,500 2>OW 2,500 3,000 3*5CO L,COo L,500 more 1%. more 

.8 39.6 ,IL4 5.6 4.9 9.2 ls .5 170.2 7.0 

17.7 914.5 560.2 193.4 42.6 11.3 5.6 4.8 9.1 13..2 174.8 

24.2 897.4 431.Z 166.1 19.9 12.3 5.9 6.8 ., 140.7 ::: 

16.7 908.4 555.6 209.3 42.0 2.1.4 5.7 4.9 9.C ls:; 169.4 6;9 

16.2 910.? 569.1 214.5 45.5 11.3 5.6 4.8 8.s 11.2 174.4 6.8 

22.4 896.S 4s5.6 177.7 20.0 12.3 6.0 6,.9 .. .. 137.9 8.7 

95.4 930.4 500.C 1.I.2:1 22.6 12.4 .. .. .-. 175.2 11.o 

94.6 934J 522.6 113.7 23:0 12.6 .. .. .. 176.9 10.5 

103.2 900.C .. .. .. .. 0 0 .. 161.3 

19.2 8WL.S 591.4 242.2 53.3 13.5 6.3 5.6 5.s 14.6 193.1 7.5 

19.0 886.S 601.C 246.4 54.3 14.2 6.2 5.5 5.$ 13.6 195.5 7.4 

23.6 600.C 440.C W4.6 8.2 160.9 8.3 

17.5 880.4 611.4 259.4 54:; 13:; 6.2 5:; 5:; 14:; 191.0 7.4 

17.4 890.s 626.1 262.3 55.3 14.6 6.1 5.4 5.9 13.6 1.63.6 7.4 

21.3 769.2 .. 217.4 .. .. 8.3 .. .. .. 154.9 8.4 

107.3 a87.1 493.C 190.s 45.9 .. .. .. c 205.6 .. 

107.4 879.? 477.6 198.2 46.2 .. .. .. c 206.3 .. 

106.4 .. .. .. .. 0 0 0 o 196.1 0 

22.0 799.7 526.S 218.9 57.3 13.4 7.3 7.0 7.6 14.1 171.2 9.1 

ls.3 805.: 539.7 218.8 55.5 1.3.3 6.3 5.8 5.3 8.3 166.a 

27.8 789.7 50s.C 219.0 60.7 20,3 9.9 9.9 12.2 19.6 179.1 2:; 

20,2 809.2 526.7 229.3 59.1 15.3 7.2 7.0 7,6 14.1 169.7 9.0 

16.2 809.2 547.0 246.3 59.1 13.4 6.2 5.8 5.3 8.4 171.2 

24.8 809.2 495.0 200.7 59.1 19.5 9.8 9.7 12.3 19A 167.0 1::: 

103.7 747.3 520.3 179.9 42.5 19.9 .. .. c o 180.1 19.1 

78.0 780.C 500.0 123.7 27.0 .. 0 o 0 1.39.5 

148.3 707.5 561.6 299.3 73.6 41:; .. .. 0 0 233.4 35:; 

22.9 820.7 554.7 231.7 68.7 16.1 9.8 7.5 7.0 14.6 161.5 10.5 

21.4 838.4 564.7 241.3 75.8 17.2 8.5 5.5 4.9 10.6 196.9 8.7 

26.1 782.6 472.7 21.I..9 56.4 20.0 12.8 12.7 11.6 19.8 X53.1 14.5 

20.8 816.9 364.0 260.0 70.8 la.1 7.4 14.9 179.4 10.4 

19.7 638.9 987.6 281.9 80.1 17.4 ::: 5.5 ::: 10.6 202.2 8.7 

23.3 765.6 su.a 1ss.0 55.2 19.3 1.2.9 12.6 11.4 19.8 1.36.7 14,3 

111.e 631.2 414.1 175.3 55.0 .. .. .. .. 0 1.S1.7 17.9 

103.2 e36.7 459.0 3.20.7 50.3 .. .. .. 0 0 172.0 .. 

126.8 821.4 w2.1 298.7 65.4 .. .. .. .. 0 233.1 .. 

20.0 743.-1 54E.1 230.2 62.0 12.1 7.6 6.4 8.5 17.4 174.s 8,5 

18.8 763.0 549.6 236.4 62.7 11.9 7.0 5.4 7.1 18.7 178.5 7.7 

24.8 6S2.4 543.5 213.8 59.9 12.8 10.8 10.6 X5.8 14.6 164.2 1.1.6 

18.2 742.3 531.8 243.0 65.4 ls.4 7.6 6.4 8.5 17.4 172.6 8.5 

16.9 750.0 5X.2 248.1 66.0 ls.3 18.7 172.9 

23.2 720.0 525.4 228.8 63.8 12.7 1::: 1::; 1::: 14.6 171.7 J:: 

105.3 750.0 603.2 176.7 41.6 .. .. o 0 163.9 .. 

1.S.2 912.$ 545.2 1.S9


6Wite 112.6 814.8 564.3 ls3.7 42.4 0 .. 0 0 207.7 ., 

Nonwhite. - 64.7 .. 650.0 161.8 .. .. .. 0 0 327.7 .. 

mm------------------------------- 23.7 921.3 566.8 241.3 53.9 13.4 5.7 4.9 10.2 .. 178.8 8.1 

Uhite 23.0 918.1 564.1 232.4 51.8 12.9 6.4 4.2 10.8 .. 176.7 7.7 

Nonwhitc-- 35.1 371.4 85.9 0 213.1 14.9 

Beathsamongsinglebites 21.8 919:i 596:; 272.7 59.1 1.3:; 6:6 4:; 10.: .. 178.6 8.1 

Nhite 21.3 916.0 592.6 262.7 56.7 3.3.3 6.3 4.2 10.8 .. 176.5 7.7 

Nonwhite-- 31.9 .. 440.0 97.3 .. .. .. 0 0 213.3 ‘ 1.5.o 

Deathsamongbirthsin pluralsets 107.9 928:: 451.0 lls.1 .. 0 .. a 0 180.S .. 

White 104.1 925.0 444.4 103.1 .. 0 .. o 0 .? 177.8 .. 

NorrAite-- .. .. .. .. 0 0 0 ,- .. 0 

PM~IC 19.0 91.3.2 612.5 Z1l.o 49.5 10.5 5.2 3.4 4.0 12.4 182.8 5.8 

White 16.6 919.5 610.0 21.3.6 51.1 M .5 5.2 3.3 4.0 10,9 ls3.9 5.7 

Nonwhite-. 23.8 878.0 634.6 1.S3.7 33.6 9.8 5.6 .. .. 173.0 7.0 

lkath8emong single births 17.7 91.1.2 624.7 236.7 54.2 10.3 5.3 3:; 4.0 12.4 190.5 5.7 

White 17.3 911.5 622.7 242.0 56.4 10.4 5.2 3.2 4.0 10.9 192.2 5.6 

Nonwhite 22.3 909.1 640.0 la2.9 10.0 5.6 .. .. .. 174.9 7.1 

Deathsamongbirthsin pluralset6 81.1 941.2 34.S.6 104.1 %7 .. 0 .. 0 0 139.4 .. 

White 80.2 976.7 550.0 97.6 19.5 0 0 .. 0 0 3.37.8 .. 

Nonwhite 93.2 .. .. .. .. 0 0 0 159.4 0 
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190 VITAL STATISTICS-SPECIAL REPORTS 

TABLs9. DEATSBUNDK628 DAYS BY BIRE4WSIG3D!, AGE, AND RACE:UNLTEOST4T3SANO E.4213 GEWWC DIVISIO1:,
 JANuAsY1 TO MAWS 31, 1950


(W P~.e of residenceat birth. Includesdeaths.YUOW childrenbom Jan. 1 tx I&. 31, 1950. Birthweightsnot statedan? S4stributedl


BIR131
WEIGST (INGBAMB)


ARM, AGE,AND SACE J- Tstal 1, 0)0 1, cal- 1,501- 2, col- 2,501- 3,Col- 4,501 2,520 2,501 

or or or or 

less 1,503 2,0C0 2,SW 3,000 4,500 more. less more 

UNITED STALES1---------. ----------.,-- 16,741 3,424 2,801 2,403 2,078 1,912 3,875 24E 10,7(8 6,035 

— .
 -

Under1 hour 1,691 59s 216 165 153 146 379 34 1,132 559 

1-23hours 6,4C6 1,976 1,332 964 632 489 96o 52 4,904 1,501 

1 day--------------------------------------------

2 dfays 1;663 209 222 283 267 231 426 23 961 682 

3-6 d8yS 2,160 210 312 262 331 331 67o 58 1,1..I.5 1,045 

7-13~e----------------------------------------1,141 40 172 165 157 179 395 33 534 607 

-i2,470 366 452 445 358 273 529 45 1,623 647 

14.20day8---------------------------------------
676 16 57 68 106 156 277 u 250 426


21-27tiY.9---------------------------------------
 533 4 38 31 74 L19 237 lC 167 366


WMte 13,521II 2,817 2,293 1,976 1,693 1,528 3,039 155 e,779 4,742 

Under1 hour 1,403 506 174 141 136 lx! 312 21 957 446 

1-23hours 5,252 1.,628 1,108 6.7.3 503 403 772 25 4,C52 l,2m 

1 day-------------------------------------------- 2,04C 303 372 376 312 226 420 27 1,365 675

2 days 1;366 170 180 250 239 196 337 ,16 836 549 

3-6 dEtYS 1,686 1.59 266 2C0 254 261 522 24 879 607 7-13hys 854 33 129 3..7.9 I-7.9 129 302 23 400 45-4 14-20@S--------------------------------------- 494 14 36 43 71 107 211 10 166 326 21-27&?.y&---------------------------------------
 404 4 26 32 59 91 163 6 121 263

Nonwhite 3,22C 607 5C8 427 365 5s4 816 93 1,927 1,293 

Under1 hour 268 92 42 24 17 33 67 13 175 11.3 

1-23hours 1,3,53 348 224 El 129 66 186 27 652 301 

1 day--------------------------------------------
 430 65 80 67 46 45 109 16 258 172 2 hys-------------------------------------------275 39 42 33 28 35 91 7 142 133


3-6 day8-----------------------------------------
 474 51 46 62 77 76 146 14 236 238
 7-15 days 267 7 43 46 38 50 93 10 .7.34 153


14-20dEYS 1S4 5 19 25 35 31 66 3 84 lCQ


21-27daye 128 3.2 19 15 26 54 1 46 83


N-3$/mm>------------------------- 4s511 ml 75 70 48 62 2.19 7 297 168 

Under1 hour 63 21 3 8 2 8 17 4 34 29 

1-23 hour 163 58 34 26 12 6 24 1 130 33 

1 day--------------------------------------------72 u 14 13 7 9 18 45 27 2 tiys 68 7 10 16 9 9 16 1 42 26 

3-6 tiys 58 5 8 4 5 E 21 22 36 

7-13days 31 1 4 2 6 6 12 13 18 

14-27days 30 1 2 1 7 7 u 1 U 19 

White 467 99 69 68 46 61 1.1.6 6 282 MS 

Under1 hour 61 20 3 6 2 8 17 33 2a 

1-23hours 156 55 31 25 12 8 : 123 33 

1 day--------------------------------------------69 u 12 13 7 6 2 43 .26 

2 days 66 7 9 2-5 9 9 16 1 40 26 

55 4 8 4 4 3.5 20 20 35 

MIDDIZ ATLMTIC----------------------2,836 725 456 3s5 316 292 638 22 1,864 952 

Under1 hour 321 136 43 36 15 26 57 8 230 91 

1-23hour 1,062 406 191 147 86 71 177 2 632 250 

1 day-------------------------------------------393 67 57 56 52 40 92 6 255 138 

2 days 305 53 44 49 46 41 72 192 

3-6 dcaya------— 361 30 75 45 62 49 97 3 212 2: 

3-6 dEIY8----------------------------------------- 7-13d%ys 31 1 4 2 6 6 12 13 16 

14-27&tys 29 1 2 1 6 7 D 1 10 19 

Nonwhite 16 5 6 2 2 1 1 1 15 3 

Under1 hour---------------— 2 1 1 1 1 

1-23 houre 7 3 3 1 7 1 ~y---_L ------------------ 3 2 1 .2 1 

2 de.ys 2 1 1 2 

3-6 dayc+---------------------------------------- 3 1 1 1 2 1 

7-13days 

14-27day6-------------— 1 1 1 

7-13 days 1173
 I.1 29 28 25 23 56 1 93 80

14-27*S 201 17 21 32 42 87 2 70 2.31


%xclu&s data for Massachusetts.

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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGIUPHIC DIV1910N 191 

TASLE9. DEAlli2 UNDER28 DAYS BY BIRT214E(GEJ!, AGE, AND RA21h GNZTEDS’M!FES
AMl EKE GZXWAY3ZC DIVISION,JANUARY1 TO 24AECS31, 195G-Om.


(SYplace of residenceat birth. Includesdeathsmms childrenk-mm Jan. 1 to Kar. 31, 19.S0.Birthweightsnot statedare dlatributcd)


BIECS u21GEJ! (IN GSAFS) 

MEA, AGE, AND RACE 1,CoQ 1, ccl. 1,501 2,001. 2,501- 3,cm 4,s01 2,500 2,501 

or or or 

lem 1,5C0 2,0W 2,500 3,003 4,503 1:s mre 

MDDLE ATL41WC-Cmtinued


White 2,441 39[ 27< 25C 53! 1s 1,61 850 

Under1 hour 27: 35 1! 21 3: f 20. 78 1-23 hours 91; 16i 71 62 14! 2 70 213 1 day--------------------------------------------342 4E 4: x a : 22 122 2 *yB-------------------------------------------266 3( 4( 37 6 16( 100 ~
 3-6 tiy6----------------------------------------317 6C 51 4S : 16 3-35
 7-B *S--------------------------------------- 147 22 z 19 5( 1 T, 70
 14-276PJs 17? 16 2s 37 7: : 6: 112


} Nonwhite-----------— 395 6C 44 36 & 2X 122


Under1 hour------------—---------—----------- 42 4 1 5 I z 2! 13
 1-23 hours 165 24 x 9 2[ 121 37
 1 day--------------------------------------------51 c : 5 1( 1 3! 16


2 *S------------------------------------------ 3s E c 4 < 21 3.5
 >,

*yB---------------------------------------- 26 14-27days 28 

7 

1 ? : 

( 

14 

1( 10 

19 

EMT NOR’IEC3NTRAL------------------ 3,1.lc 507 533 350 72i 34 2,co! 1,128 

Under1 hour lx 26 2: 26 6f 6 2C 98 1-23hours 1,% 49C 263 6S 89 201 6 9& 296 1 day--------------------------------------------456 6~ 82 6C 50 9f 6 30( 152 2 Ws----------------------------------------- 326 46 45 4E 42 8: 2 W 133 3-6 tiyB 366 7-13 6.W6--------.-...------------— 162 14-27days —---------------------------------- 197 

44 

E 

1 

53 

: 

6 

27 

24 

61 

32 

50 

lx 

6: 

91 

7 

1 

6 

18( 

8( 

5( 

178 

102 

147 

Uhfte 2,787 677 460 29C 306 66E 29 l,7e4 1,203 

3-6 days 44 9 u 4 1( 3{ 14
 r-l?!


Under 1 Mar------------------------------------- 277 L12 24 23 25 5 164 93
 1-23hours 1,1.57 431 245 76 77 1% 5 88C 269
 1 ~-------------------------------------------- 403 59 70 57 40 9C 5 26: 135
 2 bys-------------------------------------------289 38 38 43 5s 76 2 L72 116
 3-6 &yS----------------------------------------- 325 32 50 42 54 10? 6 162 163
 7-U tiys 162 4 23 22 31 64 1 6C 96
 14-27*S--------------------------------------- 174 1 10 23 41 S5 5 4: 131


NomMte 323 105 47 21 44 54 5 22C 103 

Un~er1 hour 28 13 2 1 3 1 2? 5 1-23 hours 121 59 18 7 12 14 1 94 27 1 day--------------------------------------------53 9 12 3 10 6 1 36 17 2 bys--------------— 37 10 7 1 4 13 2C 17 3-6 tics------------?-------------------— 41 12 3 4 7 7 1 26 3.5 7-U tiys 20 2 2 5 1. 5 14 6 14-27davs 23 3 1 9 6 1 7 16 

WEST NORTH ~ 1,539 320 249 177 173 363 25 976 561 

Under1 hour 176 59 17 2C 18 14 46 2 114 62 1-23 hours 6C6 176 137 96 48 55 88 6 457 149 1 day-------------------------------------------240 2 tiys 140 

29 

26 

43 

10 

41 

20 

39 

24 

27 

20 

53 

36 

8 

2 

1.62 86, 

60 3-6 dtty8---------------------------------------- 192 23 23 32 23 26 59 4 1: 89 7-L3&yS---------------------------------------- 94 3 E 17 9 16 32 z 44 50 14-27days 91 4 4 6 14 E 47 1 28 63 

White 1,437 296 238 220 166 170 343 22 922 533 

Under1 hour 169 56 17 19 16 14 4s 2 1C8 61 1-23hocus 567 159 130 94 43 54 84 3 426 141 1 day--------------------------------------------233 29 41 39 39 27 50 a 14e 85 2 days 1.35 25 10 19 24 20 33 2 78 57 .. 3-6 CIByS 166 22 23 31 25 26 55 4 101 63 7.3.3*B--------------------------------------- 65 3 14 13 9 15 2 39 46 14-27&yS--------------------------------------- 62 2 3 5 3.2 14 : 1 22 60 

NonwMti-’~------------------------------ 82 24 .u 12 9 3 20 3 56 26 

Under1 hour 7 3 1 2 1 6 1 1-23 hours 39 17 7 2 5 1 4 3 31 8 1 day-------------------------------------------- 2 2 3 4 3 2 tiyB : 1 1 3 2 3 3-6 d8yS 6 1 1 4 2 4 743 days ,- 1 1 3 5 4 14-27dayB z 2 1 : 2 1 2 6 3 
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192 VITAL STATISTICS-SPECIAL REPORTS 

TA2LS9. D3UTSSGND31R2S DAYS BY 21RT2W21GST,AGE, MD FACE UT41TS0 s!C= AND EMS GSCG_C DIVISION,.
 JANUARY1 TO MARCH31, 1950-COn.


(SYplace”
of rfddence at birth. Include.deathsanr’ng&lldren b-am Jan. 1 ta Mr. 31,”lS50. Birthweightsnot stateda= di.trlbuted)


SIF2H WG3T (IN GSM!S) 

ARM, AGE, AND SAcE ‘nXal 1, CQo 1, wl- 1,501- 2, wl- 2.,501- 3,cal- 4,501 2,5(20 2,501 

or or or 

1:s 1,520 2,W0 2,520 3,000 4,5m mm lees ml-e 

mite 1,776 302 299 2s4 256 222 397 16 1,141 625 

Under1 hour 173 29 24 20 3.6 34 124 

1-23hours 698 1% 138 1.S7 90 70 96 s 522, 1% 293 49 46 49 62 36 48 1 20s 85 

SGuT3ATL4mcc-----------------+----- 2,91.3 471 489 445 401 372 661 54 1, u% 1>107 

Mel. 1 hour 275 

1-23 hourfi 1,C89 

65 

262 

45 

219 1; 27 

133 18 1: 5 

3.5 

181 

s.12 

94 

277 

1 day--------------------------------------------442 66 77 70 77 50 93 9 290 152 

,2by8------------------------------------------ 264 M 36 46 42 39 73 6 144 120 

3-6 6WS-----------------------------------------377 30 4.8 49 57 63 121 9 1s4 193 

743 days 230 4 42 36 32 39 71 6 114 LI.6 

14-27 dW3--------------------------------------- 236 6 20 22 33 50 103 2 61 ,155 

1 day--------------------------------------------” 

1 1[. 

2 day13-------------------------------------------
 170 IJ. 23 31 29 28 46 2 94 76


3-6 @e---------------------------------------- 2U 20 36 26 27 30 71 10s 102


7-13days Llo 1 19 20 16 17 35 2 56 54


14-27 days------— 121 3 6 7 12 26 65 2 28 I 9s


Non’.Mte 1,137 169 190 Ml 145 150 284 38 665 ~ 472 ‘1


Under1 hour 102 34 16 7 1.3 25 5 57 ! 45 

1-23 hours 391 95 61 71 43 31 63 7 290 101 

1 day-----------------------—------------------ 149 17 26 21 3.5 14 46 62 67 

2 days — 94 7 u 1.3 B l-l 27 ,: 50, 44 

3-6 &yE--------— 166 10 lZ 23 30 33 50 6 75 91 

7-13days-----.
 --------------— 12C 3 23 16 16 22 36 4 58 62

14-27days IJ.E 3 14 3.3 21 24 36 53 .62


W!2 SOUTSC2NTPAL
........-.---—.-- 1,739 236 270 238 253 223 470 47 999 740
 -


1: 

2 

Under1 hour 146 33 20 19 Is 38 6 67 

1-23hours 654 141 126 93 61 L17 2.3 463 1: 

1 day-------------------------------------------249 32 44 4C 37 35 55 8 153 96 

clays. -----------:-------------------------------1.35 3 23 26 29 26 44 2 63 72


3-6 &yB-;-------------------------------------- 245 20 27 26 34 38 94 6 107 138
 7-13dayB 137 3 19 16 18 20 52 9 56 81


days L53 2 Is 14 23 3C 70 3 50 .103 

White 1,1.31 166 192 167 177 141 270 18 702 429 

Under1 hour------------------------------------ 67 27 12 5 16 6 17 2 60 27 

1-23hours 442 97 67 79 61 44 72 2 324 us 1 day-------------------------------------------175 21 37 3C 31 19 33 4 3,.7.9’ 56 

2 days----------------------—-------------------lx 4 ls 22 23 Is 30 1 67 46 

3-6 &ys-------------------------------------- 144 ls 16 .72 21 23 53 4 64 60 

7-13days--------:-------------------------------6s 3 E lC 10 12 30 5 38 47 

14-27days 85 2 5 e 1.5 2C 35 50 55 

Nonwhite----.------------—------------- 6oe 72 76 73 76 62 2C0 29 297 333 

Under1 hour 56 8 6 e 3 7 a 27 32 

1-23 hour--------------------------—----------- 212 44 39 24 32 17 45 : 139 73 

1 d8y------------------------------------------- 74 u 7 lC 6 14 22 4 34 40 

2 4ay8----------------------------------------- 42 1 5 6 U 14 1 16 26 

3-6 tics M] 6 9 : X5 13 4L 2 43 56 

7-13days 52 4 6 8 e 22 4 la 34 

14-27dElyO------------------— 6E 6 6 s lC 55 3 20 4s 

W2ST SOOTScmlT.AL 1,782 264 302 256 S56 1.S4 476 43 1,0s0 703 

14”-27


Under1 hour------.----------------—------------ 16C 49 32 16 22 .I1 46 2 1.I.9 61


1-23 houm 55E 139 129 76 76 44 89 5 420. x58
 1 day--------------------------------------------
 264 29 59 5: 35 19 62 7 176 88


2 .ae.ye 167 17 21 2$ 27 17 51 5 94 73


3-6 d8yS 271 17 26 34 46 37 I.ca 7 127 14i
 7-L3days 15E 6 17 2C 24 24 56 u 67 91


14.27days I.& 7 16 ze 26 32 70 6 77 10s
 .,


WlxLte---— 1,325 226 227 191 194 1,39 337 31 6.18 507 

Under1 hour--------------------—--------------- 14e 42 25 14 19 7 39 2 100 46 

1-23hours----------—-----— 41E 106 97 5: 57 31 63 1 321 95 

1 day-------------------------------—--------- 19E 21 42 4C 25 E 4s 3 lss 70 

2 dayB------------------------------------------1.2i 

3-6 &yB---------------------------------------- 192 

12 

10 

17 

23 

24 

24 

23 

34 

14 30 

70 

5 

5 

7a 

91 49 

101 7-U days 114 6 12 14 19 : 36 9 51 63 

14-27 dfiyS---------------— X3( 7 U 16 16 Ze 49 6 49 81 
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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 193 

TABLS 9. D= UNDER 28 DAYS BY SIF02H WHIGKT,AGE, AND SA2R UNIT121 STATFSAND 2ACH GEcXSAPHICDIVISION,JA21UARY1 TO MAF.2331, 1950-Om. 

(Byplaceof residenceat birth. Includesdeathsmong childrenborn Jan. 1 b Mar. 31, 1950. Birth.eizhtsnot statedare &Lstrlbute&) 

AREA, AGE, AND SACE !lbtal l,OCO 1, col- 1,501- 2, col- 2,501. 3,Ko.- 4,501 2,5CJJ 2,501 

or or or lem 1,5W 2,000 2,503 3,0cil 4,5C0 ZWre 1:;s maw 

~T SOUTSCENlR4L-Continued 

Nmwhtte--------------------------------- 45a 5e 75 65 64 ).39 12 2s2 196 

Under1 hour 32 7 7 2 3 9 19 3.3 1-23hours 142 31 32 17 19 ’26 4 9s 43 

1 day--------------------------------------------66 8 1.7 13 10 14 4 4E 18 z days 40 5 4 ~ 2 21 16 24 

3-6 days 79 7 5 lC 14 3C 2 36 43 7-X3 days 44 5 6 5 18 2 16 28 

14-27d6yS 55 5 12 u 23 Ze 27 

340UNTAZN 796 164 140 X32 m 143 3 549 247 

Under1 hour 64 31 6 6 13 2C 1 5e 26 

1-23 hours 326 92 64 5E 31 22 39 265 61 

1.22 3.3 22 35 13 li 22 83 39 2 dtlys-------— 84 10 10 u 16 1-( la 1 46 36 3-6 d8yS 95 16 9 u 18 li 22 1 55 40 

> 7-13days 38 

14-27d8ys----------------------------------:----47 

3 8 

1 

5 

3 

6 

14 

2 

1$ 14 

10 

22 

M 

16 

29 

mite 733 167 3.32 119 102 9C 130 3 51C 223 

Under1 hour 79 31 4 5 14 : 19 1 54 

1-23hours 303 69 79 55 26 2C 34 249 E U2 13 22 31 ,U 17 18 77 33 

1 day--------------------------------------------

1 day--------------------------------------------


2 days 80 10 10 10 16 E 18 1 46 34


y-~ ~ya---------------------------------------: 32 1 7 5 z 1.3 17 ls 14-27days 40 1 3 1: M 6 16 24 

Nonwhite 63 7 8 13 U s ls 39 24 

Under1 hour 5 2 1 1 1 4 1 1-23hours----------------— 23 3 5 3 5 2 ,5 16 7 

1 day--------------------------------------------10 4 2 4 6 4 2 days 4 2 2 2 ,2 3-6 dEyS 8 2 1. 1 2 2 4 4 7-3.3days 6 2 1 2 1 5 1 14-27days 7 2 3 2 2 5 

PACDIC 1,540 336 3i3 241 199 157 261 lzl 1,109 431 

Under1 hour 141 57 24 9 12 U 26 102 39 1-23h0ur6---------------------------------------

3-6 &yB 87 13 9 12 17 x 20 ,1 51 36


1

649 Slo 149 IJ.e 68 38 64 4 543 1s6 1 day----------------------------------------- 232 33 54 40 38 26 38 1 165 67 

2 daya 1.54 25 21 31 26 20 27 103 49 

3-6 dayo 195 26 41 14 36 31 46 : IJ.7 70 

7-X5days 98 3 13 19 10 17 33 3 45 53 14-27days 71 2 l). 12 7 12 25 2 32 39 

WMte 1,404 320 260 223 186 143 241 u 1,W9 395 

Under1 hour 130 21 ls 10 27 93 

1-23 hours 596 12 134 10? 65 37 61 3 495 1: day--------------------------------------------
 213 31 52 36 33 27 33 1 3.54 61

2 day8-------------------------------------------

3-6 days 169 22 33 u 33 27 43 99 70 

7-).5&yL+--------------------------------------- se 3 13 ls 9 n 31 3 43 45 

14-27dnyB 64 2 ?.0 10 6 u 23 2 28 36 

Nonwhite 136 36 33 16 3.3 14 20 2 12.3 36 

Under1 hour u 6 3 1 1 - 9 2 

1-23hours 53 21 15 9 3 1 3 1 48 5 

1 d8y--------------------------------------------2 2 5 1 5 2-7. 6 

142 22 17 30 26 20 23 2 97 45


17 2


2 dllys 12 3 4 1 4 4


3-6 dEyS 26 4 8 4 3 1 1: 8


7-X5 days 10 : ; 6 2 2 8


14-27dada 7 1 2 1 1 2 4 3

snecified

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194 VITAL STATISTICS-SPECIAL REPORTS 

‘JABLE10. MoRTALITYSAT2SAT SPECLWED AGES UT?OER28 DAYS BY BISTHWEIGSTAND FACE:0?iIT60STAT2SAND EA2S GEOGRAPHICDIVISION,


JANUARY1 TO MARCH 31, 1S50


(BYplaceof residenceat birth. Jked on deathsunder28 days ulongchildrenborn JeJI.1to Mar. 31> 1950. R8tcB per 1,000childrenin each 

—..—. izrcmaliveatthe beuinninnofeach am Interw?d. Birth’weizhtsnot statedtue distributed.1% dots (..) indicateratenot cwI­


putedvhe= th; numberof deatisis ~ess than iOJ


BIRTSW61GBT(~ GFW23)


AESA, AGE, AND RACZ T&Al 1,000 1,oo1- 1,501- 2,001- 2,501. 3,001- 4,501 2,500 2,501 

or 

less 1,500 2,000 2,500 3,000 4,500 or or or �ore less TIOre 

LEWTEO STA72S1----------------------- ~o,c —. 871.7 551.3 211.3 50.4 12.6 6.4 14.2 173.7 7,6 

Under1 day 9.7 555.3 304,7 99.1 19.0 4.2 2.2 4,9 97.9 2.7 

Under1 hour 2.0 152.2 42.5 14.5 3.7 1.0 0.6 1.9 18.4 0,7 

1-23 hours 7.7 593.4 273.8 85.9 15.4 3,2 1.6 3.0 81.1 1.9 1-6 days 7.6 581.2 279.1 96.5 23.6 3.6 2.7 6,1 66,9 3.3 

1 day 3.0 271.8 127.9 43.4 8.8 1.8 0.9 2.6 29.2 1.1 2 days 2.0 212.0 72.1 28.8 6.7 1.5 1.3 1s.2 0.9 3-6 days 2.6 270.3 109.1 27.5 8.3 ::: 2+2 21.o 1.4 7-13days 1.4 70.5 67.5 17.8 4.0 ::: 0.7 1.9 10.3 0.s 14-20dP.yS 0.8 36.1 24.0 7.3 2.7 0.9 0.5 0.8 4.9 0.6 

21-27days 0.6 .. 16.4 5.8 1.9 0.8 0’.4 0.6 3.3 0.5 

16.9 883.3 562.1 214.6 50.8 12.0 5.8 12.0 175.8 7,1 

1 day--------------------------------------9.3 669.2 314.5 103.6 19.1 4.1 2.1 3.6 100.3 2.5 IJnder <

Under1 hour 2.0 158.7 42.7 15.3 4.1 0,9 0.6 1.6 19.2 0.7 

1-23hours 7.3 606.8 263.7 89.7 15.1 3.2 1.5 1.9 82.7 1.8 1-6 days 7.2 599.1 292.5 100.3 24,5 5.4 2.4 3.2 66.6 3,1 

1 day------------------------------------------2.9 287.2 133.0 45.6 9.5 1.8 0.8 2.1 3Q.4 1,0 2 days 2.0 226.1 74.2 31.8 7.4 1.6 0.6 1.3 19.3 

3-6 days 2.4 273.2 lLe.5 26.2 7.9 1.0 1.9 20.6 ::; 7-13d~s----------------------------------------1,2 76.0 65.2 16.0 3.7 ::; 0.6 1.6 8.6 0.7 

14-20days 0.7 35.9 20,5 ‘5.9 2.2 0.9 0.4 0,8 4.0 0.5 

21.27days 0.6 ., 14.3 4.4 1.9 0.7 0.3 .. 2,9 0,4 

26.7 .921.4 507.0 195.7 49.5 15.4 10.3 20.2 164.7 11.9 

Under 1 day J.1.9 595.4 265.5 80.2 18.8 4.6 3.2 6.7 87.s 3.s 

Under1 hour 2.4 124.5 41.9 LL.O 2.2 1.3 0.8 2.8 15.0 Lo 

1-23 hours 9.6 537,9 233.3 70.0 16.6 3.5 2.4 5.9 73.9 2.6 

1-6 d~s-----------------------------------------9.9 518.4 228.3 80,7 19.8 4.4 8.8 59.6 5.0 

1 day------------------------------------------
 3.6 217.4 108.7 33.4 6.0 R 1.4 3.9 24.2 1.6 2 days 2.3 166.7 64.0 17.0 3.7 1.4 L.2 .. 13.6 1.2
 3-6 d~s---------------------------------------4.0 261.5 74.9 32.5 10.2 3.1 1.9 3.1 23.0 2.2
 7-13day.+ 2.4 !. 75.7 24.9 5.1 1.2 2.2 13,3 1.4
 14-20days 1.6 .. 36.2 13.9 4.7 ::! 0.8 .. 8.5 0.9
 2L27 days 1.1 0 23.7 10.7 2.0 1.1 0.7 .. 4,7 0.8


NW ~GW1------------------------- 20.1 ~ 646.6 238.1 41.8 14.2 6.7 .. 177,7 8.4 

Under1 day 9.4 699.1 319.0 J.15.8 12.2 2.3 .. 96.1 2.8 1-6 d~s-----------------------------------------8.3 676.5 405.1 126.9 18.5 ::; 3.: .. 72.4 4.0 3.0 323.5 177.2 50.0 .. .. 1.0 0 29.9 1.2 2 days 2.9 .. 153.8 64.8 ,. 0.9 . . 28.7 1.2 3-8 days 2.4 .. .. ,. 3:; 1.2 0 15.5 7-27d~=----------------------------------------2.6 .. .. #. U:; 3.0 1.3 . . 17,2 ;:; 

19.6 925,2 637.1 241.1 41,7 14.3 6.8 ., 176.6 8.4 

Under1 dw-------------------------------------- 5.2 700.9 323.8 U7.O 12.7 3.8 2.3 ., 97.7 2,6 1-6 !iwS 8.1 687,5 408,5 128.5 1s.4 7.5 3.1 ,. 71.5 4.0 

1 d&y------------------------------------------2.9 343,8 169.0 52.2 .. ,. 1.0 0 29.8 1.2 2 days 2.8 .. .. 63.6 .. 0.9 . . 28.6 1.2 3-6 @W--------------------------------------- 2.4 .. ., .. .. 3:; 1.2 0 14.7 1.6 7-27 dWS----------------------------------------2.6 .. .. .. IJ..2 3.1 1.3 . . 17.2 1.7 

Nontii@---------------------------------35.6 .. .. ., .. .. ,. ., 202,7 .. 

Under1 day-------------------------------------- ., .. .. .. 0 0 0 . . .. . . 1-6 @Ei----------------------------------------- .. .. .. .. .. ,. .. 0 .. . . 1 ~----------------------------------------- .. 0 .. 0 0 ., 0 0 .. . . 

1 day------------------------------------------

2 aws----------------------------------------- .. 0 .. .. 0 0 0 0 .. 0 3-6 days .. .. 0 0 .. 0 .. 0 .. . . 7-27d~---------------------------------------- .. 0 0 0 .. ‘o 0 0 .. 0 

iarJDLE A!CLANTIC---------------------- 16.9 913.1 522.9 179.4 40.0 9.7 6.0 U .9 166.2 6.9 

Under1 dw-------------------------------------- 9.3 6S5.1 268.3 85.3 12.7 3.2 2.2 5.4 90.3 2.s 

1-6 days 7.1 680.0 275.9 77.9 20.4 2.5 .,. 61.6 2.9 

1 day-----------------------------------------2.6 348.0 89,3 30,1 6.6 ::: 0.9 ,. 23.8 1.0 2 dayO-----------------------------------------2.1 325,2 75.7 25.7 5.9 1.4 0.7 0 16.4 

3-8 dwa---------------------------------------2.4 272.7 139.7 24,3 8.0 1.6 0.9 ., 20.7 R 7-27WB--------------------------------------- 2.5 137.5 99,6 27.1 7.4 2,2 1.3 .. 18.2 1.5 

‘Excludesdata for Masmchut!etts.

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Vol.45,No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 195 

9!d81310. MORWUTY RA!ESAT SFEC16’ISO JG2SUIDES28.DAYSBYBLS!IISW21GSTAND RACE: UNITEDS= AND EACS G2wRwHxc DMSION, 

JANUASY1 W MARCH 31, 1950-Conttiued 

(Seehe.sdnote
on p. 194)


BIR!FJWZIG2!L’
 (IN GMMS)


Am& Ao.E, Pm Rm6 Total 1,000 1,001. 1,501. 2,001. 2,501- 3,001. 4,501 2,500 2,501 

or or or or 

less 1,500 2,000 2,500 3,000 4,500 more less more 

1-6

mm AlL4NTIC-COutinued 

White 17.8 918.1 523.1 189.: 40.2 9.7 5.6 ILO 160.2 6.5 

Under1 *-------------------------------------- 8.7 694.C 272.1 90.1 12.5 3.1 2.C .. 90.( 2.3 

1-6 daye 6.8 676.E 275.9 S6.4 20.5 4.4 2.4 .. 62.1 2.8 

1 q------------------------------------------ 2.5 348.5 07.1 33.E 7.0 1.3 O.E .. 24.1 1.0 

2 *s----------------------------------------- 2.0 317.6 75.5 29.2 6.o 1.4 0.6 0 18.e 0.8 

3-6 ~s--------------------------------------- 2.3 272.7 141.9 26.2 7.7 L7 0.9 .. 20.E 1.1 

7-27days 2.4 171.9 95.2 25.C 7.7 2.1 1.2 .. 16.1 1.4 

nOnwbite- . 29.9 891.2 521.7 120.e 36.9 10.2 10.5 .. 159.s 10.6 

Under1 w-------------------------------------- 15.7 646.3 243.5 57.1 14.1 4.0 4..5 .. 91.5 4.3 

dwS-----------------------------------------
10.3 692.5 275.9 .4 19.7 3.7 3.7 .. 58.7 3.8

1 day------------------------------------------
3.9 346.2 .. .. .. .. 1.3 .. 22.6 1.4


2 a~y8-----------------------------------------
3.0 3S2.9 .. .. .. 0 17.2 1.1


,i 3-6 ~s--------------------------------------- 3.4 .. .. ., 10:6 .. 1:; 0 20.1 1.2
 7-27 @s------.-...-------------—------------- 4.2 c .. 38.; .. .. 2.6 0 1.7.1 2.5


F&3! NORT2 cmT8AL 18.2 91.2.5 345.2 189.E 39.6 IJ..4 5.7 12.5 170.2 7.0 

Under1 dw- --------------r-—--------- 9.3 717.6 310.8 83.1 13.7 3.8 2.1 4.4 101.0 2.5 

1-6 dwS-----------------------------------------6.8 661.2 280.8 96.5 lS.6 5.0 2.4 5.5 64.7 2T9 

1 dqf------------------------------------------2.7 281.0 ls7.9 48.2 7.7 1.6 0.8 .. 28.7 1.0 

2 w----------------------------------------- 1.9 275.9 80.5 29.1 6.0 1.4 0.7 .. 18.8 0.8 

3-6 din--------------------------------------- 2.2 349.2 103.1 24.S 6.0 2.0 0.9 .. 18.6 1.1 7-27 ~B--------------------------------------- 2.3 .. 82.4 19.3 6.7 2.7 1.3 .. 13.1 1.6 

wMte 17.7 914.9 560.3 193.4 42.6 11.3 5.7 IL2 174.8 6.8 

Under1 dw-------------------------------------- 9.1 753.8 327.6 86.1 14.9 3.8 2.1 3.9 105.0 2.5 

1-6 we----------------------------------------- 6.5 654.8 286.2 10Z.C S1.s 4.9 2.3 5.0 66.0 2.8 1 d~------------------------------------------2.6 299.5 126.8 4S.6 8.5 1.3 0.8 .. 29.3 0.9 

2 *S----------------------------------------- 1.9 275.4 78.0 32.4 6.8 1.4 0.6 .. 19.5 0..s 3-6 ~B--...-.-.-------------—--------------- 2.1 320.0 112.6 24.5 6.4 2.0 0.9 .. 18.6 1.1 7-27 C@3---------------------------------------- 2.2 .. 83.0 17.2 6.9 2.7 1.3 .. 12.8 1.6 

No&ti 24.2 897.4 431.2 168.1 19.9 12.3 6.7 .. 140.7 8.8 

under1 &------------------------------------- 11.z 615.4 183.5 63.6 .. 3.6 2.1 .. 74.8 2.7 1-6 WS---------------------------------------- 9.9 688.9 247.2 79.2 .. 5.9 3.2 .. 56.7 4.2 

1 ~------------------------------------------ 4.0 154.8 45.3 ., 2.8 .. 24.9 1.4 2 tiy8----------------------------------------- 277:; .. .. .. .. 1:6 0 14.2 1.5 

3-6 dew-------------------------------------- ::? 461.5 .. .. .. .. 18.7 7-27 d~---------------------------------------- 3.3 .. .. .. .. 2:6 1:1 .. .ls.4 H 

m’1 NORTHWTIWL------------------ 19.2 681.s 581.4 242.2 53.3 13.5 6.0 14.6 193.1 7.5 

UnderL do-------------------------------------- 9.8 647.4 365.8 1.21.1 19.9 5.4 2.2 1.12.8 2.8 

1-6 WB----------------------------------------- 7.2 609.4 2S4.6 IJ.O.5 27.0 5.7 2.5 8:; 74.6 3.2 

3.0 226.6 161.0 48.7 12.0 2.1 0.9 .. 33.8 1.2 

2 G----------------------------------------- 1.8 262.6 44.6 25.0 7.5 1.6 0.6 .. 18.4 0.8 

3-8 tiB--------------------------------------- 2.4 3X5.1 107.5 41.o 7.8 2.1 1.0 .. 24.2 1.2 7-27~---------------------------------------- 2.3 .. 99.5 30.7 7.3 2.5 1.3 .. 17.3 1.3 

white 19.0 8a8.9 601.0 246.4 54.3 14.2 3.9 13.6 195.5 7.4 

Under1 day------------------------------------- 9.6 645.6 371.2 126.5 19.11 5.7 2.2 .. 113.2 2.8 

1-6 @s----------------------------------------- 7.3 644.1 297.2 IJ.4.1 29.0 6.1 2.4 8.7 78.2 3.2 

1 q------------------------------------------ 3.1 245.8 164.7 50.0 13.0 2.3 0.9 .. 33.4 1.2 

2 W.+-----------------------------------------1.8 280.9 48.1 25.6 8.0 1.7 0.6 .. 19.3 0.8 3-6 ~-------------------------------------- 2.5 243.8 IJ.6.2 42.8 8.4 2.2 0.9 .. 25.5 1.2 7-27 ~a---------------------------------------- 2.2 .. 97.1 26.0 7.1 2.5 1.3 .. 15.8 1.5 

I?Omdlite 23,6 800.0 440.0 l&.6 .. .. 5.9 .. 160.9 8.3 

Under1 d~--------------------------------------1.5.2 668.7 .. .. .. .. .. .. 106.3 .. 1-6 dw8---------------------------------------- 5.2 .. .. .. 0 0 4.5 0 .. 3.2 

1 ~------------------------------------------ .. 0 .. .. 0 0 .. 0 .. .. 2 d~s----------------------------------------- .. .. 0 .. 0 0 .. 0 .. .. 3-6 dw8--------------------------------------- .. 0 .. 0 0 .. 0 .. 7-27 ~---------------------------------------- 5:; .. .. .. .. .. .. 0 36:; ..

-----------------------------------------

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196 VITAL STATISTICS-SPECIAL REPORTS


msnz 10. MORTALITYSA’23!S M? SFEC2YIXDAC&S OIUIER28 DAYS SY BIRTSWEIGSTAND BAOE: 0KW5D S’2!A52S
 AND EMS GECGRAPSICDIVISION, 

JANUMY 1 lD MARC2 31, 1950-Continued 

(Seeheadnote on p. 194)


BIRT2?
W61GH!2(IN GFAMS)


AR&l, m, ANo R.w2 bta.1 l,OCQ 1,oo1- 1,501- ‘2,001- 2,501- 3,001- 4,501 2,500 2>501 

or or or or 

lem 1,500 2,000 2>500 3,000 4,500 more less more 

SOUTE .wL41WC------------------------22.0 52S.9 218.9 57,3 =L15.4 7.2
 14.1 171.2 9.1 — 

Under 1 day--------------------------------------- 10.3 589.1 2S4.5 109.2 22.9 5.4 2.3 5.2 94.1 3.0


1-6 days 5.2 471.1 245.5 91.1 25.7 6.3 3.1 6.8 64.7 3.s


1 day------------------------------------------:
 3.4 272,7 IJ.6.O 38.7 9.3 2.1 1.0 .. 30.3 1.2


2 d~s------------------------------------------
 2.0 102.3 64.7 26.4 6.2 1.6 O.a .. 15.5 1.0


3-6 d8yS 2.9 18s.9 57.4 26,s 8.5 2,6 1,3 ., 20.2 1.6


7-27dws-----------------------------------------3.s 7s,1 123.s


799.7 135.2 9.s 3.7 1.9 .. 21.8 2.2 

Wliw 19.3 S05.3 539.7 218.8 55.5 13.3 6.0 8.3 166.6 7.5 

Under1dew-------------------------------------- 9.5 581.3 301.4 116.3 23.8 5.1 2.0 .. 54.4 2.6 

1-6 days 7,4 509.6 276.5 92.4 26.2 5.6 2.5 ., 66’.4 3.1 

1 by------------------------------------------- 3.2 312.1 124.0 42.7 ‘13.8 2.2 0.7 .. 33.6 1.0 

2 d~s------------------------------------------- 1.9 101.9 67.8 2s.2 6.5 1,7 0.7 .. 15.7 0.9

3-6 daya 2.3 20s.2 SL3.9 24.4 6.1 1.s 1,1 .. 1s.5 1.2 

7-27daye-----------— 2,s .. 89.3 25.9 6.4 2.6 1.5 .. 14.5 1.7 

Nonwhite---------------------------------- 27.S 769.7 506.0 219.0 60.7 20.3 10.2 19.s 179.1 12.7 

Under 1 day 12.1 602.8 258.4 96.s 20.9 6.2 3,2 6.2 93.5 3.9 

1-6 days 10.1 400.0 202.2 88.9 24.8 7.9 4.4 11..5 S1.5 3.5 

1 a@+r-- 3.7 200.0 104.7 31.6 6.4 1.9 1.s ,. 24.4 1.8 

2 day.+ 2.3 60.5 23.3 1.5 1.0 .. 15.2 1.2 

3-6 d~s----------------------------------------4.1 163:; 51.5 36.6 1::: 4.5 1.8 .. 23.2 2.5 

7-27days 5.9 .. 167.4 51.2 16.2 6.3 2.7 .. 35.1 3.4 

I E#sI SOUTB c~-------------------- 22.9 S20.7 534.7 231.7 6S.7 14.8 181.5 10.5 -A----= Under 1day--------------------------------------- 10.5 606.9 289.1 213,0 30.4 6.2 2.!’3 6.0 99.9 3.5 

1-6 days	 S.6 500.0 261.8 102..0 2s.0 7.9 3.5 5.1 69.2 4.4 

1 day------------------------------------------- 3.3 280.7 ti 122.6 43.9 10.4 2.7 1.0 30.9 1.4

2 i~s---------------. 

3-6 days: 3.3 259:i 92,5 30.8 9.7 3.1 1.7 22.7 2.0 

7.27d~fi 3.9 ., 11.3.2 36.S 11.8 4.1 2.2 3,6 23.0 2.6 

mite------------------------------------- 21.4 83S.4 S64.7 241.3 75.8 17.2 6.9 10.6 196.9 s.7 

Under1 day--------------------------------------- 10.0 626.3 291,2 121.4 33.0 6.3 2.3 . . 107.7 2.9 

1-6 &yS-----------------— 8.3 500.0 302.9 106.9 33.2 7.0 3.0 .. 7S.6 3.7 

3.3 2S3.S 1.53.5 49.3 1.3.7 2.3 0.,s 37.4 1.1 

-----—------------------- 2.1 73.0 29.9 6.2 2.1 0.8 ., 17.3 2..0 

1 day-------------------------------------------

2 days 2.2 86.2 3s.1 10.5 1.s 0.8 .. 21.9 0.9 

3-6 dwe----------------------------------------

7-27days 3.3 .. 119.o 33.1 2J..5 4.0 1.7 . . 23.2 2.1 

Nomihiia---------------------------------,- 26.1 782.6 472,7 sll.9 56.4 20.0 12,7 19.8 153.1 14.5 

11.6 565.2 284.8 45.5 26.0 5.8 4.2 10.2 S5.6 4.9 

2.s 244:; 96.S 23.4 9.5 2.s 1.4 .. 21.4 1.6 

Under1 iiw---------------------------------------


7-27

14 days 9.4 500.0 178.0 89.1 19.0 9.8 4.9 .. 52.4 5.s 

1 day-- 3.2 275.0 .. 33.0 .. 3.4 1.4 .. 1s.2 1.9 

2 daye 1.8 .. .. .. 2,7 0.9 .. s.2 1.2 

3-6 dwe 4.4 ., 45.0 10:6 3.7 2.6 ., 24.9 2.7 

dwe-----------------------------------------
5.3 0 103:i 43.5 12.4 4.4 3.6 .. 22.6 3.s

WEST SOUTS CFNTRAL— 20.0 743.7 548.1 230.2 62.0 12,1 7.3 17.4 174.8 5.5 

Under 1 d~--------------------------------------- 8.3 52S.6 1

292.2
 62.7 23.6 3.6 2.1 87.2 2.4 

1-6 days 7.9 377.2 276.9 1.13.7 27.1 4.8 3.3 70.4 3.7 

1 day------------------------------------------- 3.0 173.7 151.3 52.0 S.6 1.3 1.0 1.1


2 *S------------------------------------------1.9 1.23.2 63.4 30.0 6.7 1.1 0.8 .. s:: 0.9 

3-6 daye 3.1 140.5 SO.3 36.2 12.0 2.4 1.5 23.6 1.7 

3.9 125.0 12.7.o 53.1 12.6 3.7 

W*------------------------------------- 18.S 763.o 549.6 238.4 62.7 18.7 17s.5 7.7 

Under1 day S.o 535.6 295.4 90.3 24.6 3.2 1.9 . . 91.9 2.2 

1-6 dws-----------------------------------------7.4 358.3 281.8 219.7 27.9 5.1 2.s 7,9 71.4 3.3 

1 day 2.8 175.0 144.3 54.4 8.3 1.6 0.9 .,. 30.s 1.1 

2 dwa---------------------------------------- 1.s 121.2 68.3 34.5 8.4 1.2 0.6 . . 1s.3 0.7 

3-6 dews 2.8 11.4.9 99.1 35.s I-7..5 2.2 1.3 23.0 1.5 

7-27dwS----------------------------------------- 3.5 168.S .u.O.o 46.4 IJ..6 3.6 1.7 9:; 25.9 2,2 

7-27dqm----------------------------------------- T1.9 6:; 27.5 2.4 
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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOG-PIiIC DMSION 197 

TABLE10. MORTALITYRAl?3SAT Si2CIF12DAGES UTJDE27 28 DAYS BY BIRT8 W21GHT~ RACE: UNITEDSTA!CSS
AND EACH GECGMPEIC DIVTSION,


JANUASY1 ‘NJMARCH 31, 1950—Cont5nued


(S-ee
headnoteon p. 194)


I BIRTH WEIGHT (IN GRAMS) 

AmA, AGE, AND FAcll T&AL 1,000 1,001- 1,501- 2,001- 2,501- 3,001- 4,501 2,500 2,501 

or or or


1% 1,500 2,000 2,500 3,000 4,5C0 more less more
 , —— 

~T SOL71?S C13iTBAL-Contfnued I 

Nonwhite--------------------------------- 24.8 682.4 543.5 213.8 59.9 12.8 Ill 14.6 164.2 11.6 

under 1 day--------------------------------------9.4 447.1 282.s 62.5 20.6 4.9 2.8 .. 73.9 3.3 

1-6 a~s-----------------------------------------

1 day------------------------------------------

2 days 2,2 .. .. .. 1.7 0 n .2 1.4 3-6 &yS--------------------------------------- 4.4 .. .. 37.5 13:; 3:; 2.4 .. 25.5 2.6 7-27d@JS 5.3 0 137.0 70.0 15.7 4.0 3.1 .. 31.9 3.3 

MOUNTAIN----------------------------- l-= 92.1.3 566..9 241.3 53.9 13.4 6.4 .. 178.8 a.1 

10.1 425.5 262.6 98.2 24.8 4.0 5.2 .. 67.7 5.1


3.6 .. 171.7 45.6 9.6 0 1.1 .. 32.5 1.1


Under1 day-------------------------------------- 12.2 691.0 364.4 IJ.7.O 21..9 3.6 2.6 .. 105.2 2.8 

1-6 days 9.1 690.9 261.1 124.2 22.9 6.9 2.7 .. 67.7 3.8 

1 a~y------------------------------------------3.7 236.4 140.1 72.5 6.3 2.3 1.0 0 30.2 1.3 2 dws-----------------------------------------2.5 236.1 74.1 26.8 7.8 2.3 0.8 .. 18.0 1.2 

) 3-6 &yS--------------------------------------- 2.9 466.8 .. 29.8 8.9 2.3 1.0 . . 22..0 L3 7-27 dws 2.6 .. .. .. 10.0 2.9 1.1 0 1.5.6 1.5 

mite------------------------------------ 23.0 91s.1
 564.1 232.4 51.8 12.9 6.0 . . 3-76.7 7.7 

under 1 Up------. ---------: 12.0 701.8 354.7 1.17.2 20.3 3.6 2.4 . . 105.0 

1-6 days 8.9 705.9 271.5 117.3 22.8 6.8 2.6 .- 67.3 

1 day-- 3.6 254.9 145.7 68.6 5.7 2.4 0.8 0 29.8 

2 aws-----------------------------------------2.6 263.2 77.5 23.8 8.3 2.2 0.6 . . 18.3 

3-6 days 2.8 464.3 .. 29.2 8.9 2.2 0.9 . . 20.7 

7-27&yS----------------------------------------2.3 .. .. .. 9.5 2.6 1.0 0 X5.?


Nonwhite 35.1 .. .. 371.4 85.9 .. 13.1 0 213.1 14.9 

under 1 day 15.6 .. .. .. .. .. .. 0 109.3 1-6 6.WS 12.4 .. 0 .. .. .. .. 0 73.6 6:; 

1 day------------------------------------------ 5.7 0 0 ., .. 0 .. 0 .. .. 2 tiys .. 0 0 .. 0 .. 0 0 .. .. 3-6 dews .. 0 .. .. .. .. 0 .. .. ?-27 days 7:; ..- .. .. .. .. .. 0 .. .. 

PAcIFIC 915.2 612.5 2L1..o 49.5 10.5 4.4 12.4 182.8 5.8 l== 

under 1 *-------------------------------------- 9.8 686.4 336.6 109.5 19.9 3.3 1.6 .. io6.3 1.9 1-6 aws-----------------------------------------7.2 688.5 343.2 83.6 25.9 5.3 1.9 .. 71.4 2.6 

1 day------------------------------------------2.9 270.5 159.8 39.3 9.6 1.9 0.6 .. 30.4 0.9 2 aws-----------------------------------------1.9 280.9 73.9 31.7 1.3 0.5 .. 20.0 0.7 3-6 d~s--------------------------------------- 2.4 406.3 155.9 14.8 ‘U 2.1 0.8 .. 22.7 1.0 7-27 days----------------------—----------------2.1 .. lca.1 33.3 4.4 1.9 1.0 .. 15.3 1.2 

white 18.6 919.5 610.0 213.6 31.1 10.5 4.4 10.9 183.9 5.7 

under1 day--------------------------------------9.6 689.7 337.7 IJ.1..l 23..2 3.5 1.6 .. 107.1 2.0 1-6 dOyS 7.1 694.4 333.5 85.1 26.4 5.5 l.a .. 71.4 2.5 1 @--...----.--.-J 2,9 287.0 171.1 40.9 9.3 2.0 0.6 .. 31.4 0.9 

2 aay8-----------------------------------------1.9 265.7 67.5 33.7 7.9 1.5 0.4 .. 20;4 0.6 3-6 dwe--------------------------------------- 2.3 400.0 140.4 12.8 9.4 2.0 0.8 0 21.3 1.0 7-27deys 2.1 .. 113.9 33.0 4.3 1.6 1.0 .. 1.3.6 1.2


Nomiilte--------------------------------- \ 23.8 67a,0 634.6 183.7 33.6 9.8 5.4 .. 173.0 7.0 

Under1 cOW-------------------------------------- U.2 638.5 346.2 .. .. .. .. 98.6 

1-6 9.7 .. 41J..6 .. .. .. 3:; .. 71.0 3:; 

1 aw------------------------------------------3.0 .. .. .. .. .. .. 0 ml . . 2 d~8-----------------------------------------2.1 .. .. .. 0 0 .. 0 .. 3-6 day6---------------------------------------4.6 .. .. .. .. .. .. .. 35:; 

7-27 dws----------------------------------------3.0 0 .. .. .. .. .. 0 .. 2:i 

days-----------------------------------------
10

20

30

40

50

60

------

----- ------

198 VITAL STATISTICS-SPECIAL REFORTS 

TAME11, DEATRSUX’DER26 DAYS FROM SE7.ECTRDCAUGSS,BY BIRTHWEIGW AND PACE


(BYplace of residencea% birth. Includesdeathsamongchildrenborn Jan,1 to Mar. 31, 1950, Birthweightsnot s+,~te,


— — 

AU RACES 

AK2A AND CAUSEOF DEA!Iw Total Birthweight (in grams) 

—— 

Tabu- PJi- 1,000 1,oo1- 1,501- 2,001. 2j500 2,501 

or or or lated lusteal less 1,500 2,000 2,500 

——. less more —— 

1 ONITEDSTATES 3----------------------------AU
 causes 16,741 16,741 3,424 2,801 2,403 2,078 lo,7i6 6,035
 -—
 ——


z Congenitalmtif0mations-------------------------------75C-759 2,127 2,125 30 107 208 359 704 1,421


3 Certaindiseasesof earlyinfancy----------------------76
 O-776 13,30s 13,368 3,3s5 2,654 2,129 1,54C 9,668 3,660 4 Birthinjuries---------------------------------------76O,76l
 2,712 2,732 479 350 329 277 1,435 1,317
 5 Intracranial	and spinalinJuxy-------------------------76O
 1,163 l,21_l 56 71 124 150 401 810
 6 Otherbirthinjury-------------------------------------76l
 1,529 1,541 423 279 205 127 1,034 507
 7 Postnatalasphvia and atelecta6is-----------------------762
 2,983 3,003 476 493 586 514 2,069 934
 .9 Fmeumonia@ newborn------.---------.---.-.---------.----763708 714 13 69 69 106 277 437
 9 Diarrheaof newborn--------
 .----.----.--------.-----..--764 143 151 10 27 24 61 90


Otherinfectionsof newbOrn---------------..
 ---------765-768 65 57 1 3 12 a 24 33


11 Neonataldisordersarisinsfrommaternaltoxemia---------769 292 261 57 57 61 &c 215 66


12 Eemol@c dise~seof newborn(erythroblastosis
 )----------770 53C 543 17 32 55 89 193 350
 13 Kemorrhwgic.iisea~e -..--------77l 202 216 13 14 27 41 95 121 

14 Ill-defineddiseasespeculiarto earlyinfancy, 

includln8nutritionalma18dJustment-----------------772,773672 666 182 146 100 84 514 152 15 Immaturitywith mentionof any othersubsidiary 

cOnditiOn--------------

sf newb=m---------------.


.--------------------------------774193 199 37 53 60 28 17s Z1
 16 Immaturityunqualifled-----------------------------------776
 4,81C 4,786 2,090 1,423 763 329 4,627 159
 17 PM othercmses--------------------------------------Re6id~al
 1,306 1,248 29 40 66 179 314 934


18 NEW ~G~3--------------. ----. ----. .-. --fil ~U~~S 465 465 104 75 70 4s 297 166 

19 :ongenftal malformati ohs--------------:
 ----------------750-759 77 77 3 3 12 4 22 55 

?ertaindiseasesof e=ly infancy--------.--.-.-----..-76O.776 3s1 362 101 55 40 267 1.I.5
 21 Birthinjuries--------- .----. .-.-. .-.-..-.76
o,76l 63 66 9 G 12 10 46 40
 22 Intracranial
and spinalinJury-------------------------76O 31 32 5 9 14 18
 23 Otherbirth inJury------:-------------------.----------76154 54 9 15 7 1 32 2Z
 24 Postnatalasphyxiaand atelectwis-----------------------762 107 108 E 20 21 19 75
 25 Fneumoniaof newborn-------------------------------------76317 17 2 2 R
 26 -----.----------.----.----764 4 4 5 3 1 27 Otherinfectionsof newbo~-.-----.-..----.----.-----7~-768 1 1 1 28 Neonatald1601@er6arisingfrom maternaltoxemia---------76S 8 s 3 3 i 7 

29 Iiemol@icdiseaseof newborn(e@hroblasto6is)----------77O 17 17 1 1 2 d Hemorrhagicdisee..e 

DiarrheaOf newtim----.------.


of newborn-----------------------_---77l 6 6 4 4 2
 31 Ill-defined
diseasesWculiar to earlyinfancy,


includingnutritionalmaladJus’tment-----------.-----772,7731.2 12 4 3 1 s 4
 32 Immaturitywith mentionof any other subsidi~


c0naiti0n---------------------------.---------.----.----774 a
 8 6 1 1


33 Immaturityunqalified---------------.--.----------.----.776
116 115 60 32 16 4 11: 3
 54 AU.othercWses--------------------------------------Residuti27 26 1 3 4 6 18


3-5 l.UDDLS .XfLWTIC----------------------~----------All
 causes 2,S36 2,836 725 456 365 318 1,ss4 95?


36 kmgenite.1 malfomati0ns-------------------------------75O-759
405 399 5 24 39 67 135 2S4
 37 :ertaindiseasesof ea.lylti=cy----.----------. ------76
O-776 z,317 2,328 717 427 340 23S 1,7Z3 605
 3-9 Birthinjuries-. --------------------------.---.------76o,76l
 486 495 107 65 49 $-z 2S3 Z32
 39 Intracranial
and spintiinJury-------------------------76OZze 233 10 21 20 24 75 158


Otherbirth injury----------------------.
 --------------76l 25a 26z 97 44 Z9 la 186


41 Postnatalasphwia and atelectas}s-----------------------762557 557 105 95 116 81 395 1:
 42 Fneumoniaof newborn-------------------------------------763
 .U7 116 3 8 12 21 44 72
 43 Di@xrheaof newtirn-------------------------d----.-------76426 26 5 1 6 20
 44 Otherinfectionsof newborn--------------------------765-768 7 7 1 3 2 6 1
 45 Neonataldisordersarisingfrommaternaltaxem-ia-.
-----769 Z4 z 4 5 16 7
 46 )----------770 Ill E 6 16 1? 

47 Hemorrhagicdiseaseof newborn--------------------------77l 35 .35 : 4 2 9 : a 

48 111-iefineddiseasespeculiarto early infancy, 

includingnutritionalmaladjustment 773 

Eemolyticdiseaseof newborn(erytkublastosie


------.------.---772, WC 10I? 40 25 16 14 95 7
 49 Immaturitywith mentionof any other mbeldiq


condition--------------------------------.--------------774 29
 30 ,5 7 10 29 1


Inm-aturity	 unqualifi@i-----------------------.-----.-----776
 8Z5 6Z6 45Z 210 10; 37 SW 1.8


51 Allothercauses-------------------------------------Resldual
 114 109 3 5 6 12 26 83


52 EAST NORTS CENTR4L------------------------------AIJ
 causes 3,UC 3:no 78Z 307 404 311 z,ti4 1;126


53 Congenital fi0mti0n8-- .-.---.--.-------------.
.--75o-759 453 450 21 46 59 134 316
 54 :ertaindiseasesof earlyiti~cy.----------.------.
---76O-776 2,5G6 2,516 77: 483 355 233. 1,840 67S


55 Birthinjuries----------------------------.------.---76O,76l
 514 525 us 73 59 40 Z90 2ss


56 Intracranial and spfnalinjury------------.
 ------------76O	 221 226 21 16 25 22 66 142


57 Otherbirth inJury-------------------------------------76l
 293 297 97 34 18 204 93


56 Pmtnatal asphy%iaand 8telectasis-----------------------762660 662 146 1: lzl 92 465 197


59	 Fneumoniaof nevborn-------------------------------------763
 Ill I-Lo 1 16 15 14 46 64


Diarrheaof newtirn--.--.--
 ..---.--------.-.-------------764 2 4 14 Zo


61 Otherinfectionsof newtmm-------------------------.765-768 L! 2 : 1 3 3.3


62 Neor@.tal
 diaoniers=ising frommaternaltexemia-.----.--769 45 47 M- 6 10 9 40 7


Bee fc.atnotes
 on p. 202.

Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVISION 199 

UN2!2EDS?XT6SANDEACS G.EOSBAWICDMSION, J.WUHIY1 TO WWCH 31, 1950 

are distributed.iwmberstitercausesof death are categmy numbers of the sixth REWISICIIIof me In&matio~ ~sts, lg4a ) 

= 

UsIT2 

!Ibtd Birthweight (in gmms ) Total II Birthweight (in 8mIus) 

Tabu- 1,000 L, 001 1,501 2,001 2,50C 2,501 Tabu- 1,000 L,001 L,501. 2,col-2,300 2,501 

lated or or or or or less 1,500 2,000 2,520 less mare lated &;dl & 1,500 2,(?00 2,500 less more . —


13,521 13,521 2,s1 2,29 1,971 1,69 a,77 4,742 3,22 3,220 60 5ol 42; 385 1,92 1,29: 1 = = 

1,930 1,924 2 9 19 64 1,28C 19 201 11 34 a 1< 2
 10,783 10,829 2,77 2,17 1,74 7,94 2,88C 2,52 2,539 59; 47: 2s5 1,73 80( 3
 2,327 2,356 43 a 29! 1,29 1,265 3a 396 4 3 35 3.4 2s 4 9s9 989 3 5 10 33 65a 21 222 1’ U 7 m 5 1,358 1,387 39 26 16 96 407 17 174 2: 11 H 7 m 6 2,504 2,507 36 40 52( 1,74 766 47 4s6 l-u % 54 32 16[ 7 503 509 1 5! 6 20 303 20 203 1, 30 7. 13 8 103 128 1! 4 66 4 45 6 2: 2, 9


24a 

496 

150 

235 

50s 

.7.56 

5 

1 

1 

5: 

2’ 

s 

5: 

3! 

2 

la 

18 

7 

4a 

324 

64 

4 

3 

5 

4a 

3a 

60 

[ 9 

6 

14 

21 

z 

2; 

1[ 

2( 

% 

U 

12 

13 

471 4S6 14 11 s! 3a 7a 20 200. 3! 31 26 1.21 74 14 

167 

3,777 

008 

173 

3,72!0 

768 

3 

L>70 

11 

4 

1,14: 

2 

5 

6E 

3( 

15 

3,67 

181 

20 

101 

582 

2 

1,03 

49 

26 

1,006 

480 

: 

3& 

~ 

f 

2% 

1: 

5 

!39 

66 

2! 

94( 

121 

1 

St 

35: 

15 

16 

17 

467 467 9 6! 6[ 28 185 1 1s : f z E 18 

39 36 ( 1 22 2 22. : 1 1( u 10


77 77 X 2 55 19 364 385 91 ~ 6! 23: U2 1 17 : f 2 1 i : 20 52 83 1: .7.i 4: 38 3 $ 2 21 

52 

102 

17 

52 

103 

17 

1 i 

1! 2( 

3 

7: 20 

?5 

2 

5 2 1 1 

2 

1 

23 

E 1 26 : ; 1 27 a 

16 

6 

g 

16 

6, 

1 

2 

2 

i : ; 1 

2a 

29 

30 

ls 12 : 1 4 3 

a 

1C8 

26 

8 

107 

25 

1 

s 

1 

21 

1 

3 

16 

: 

f 

10! 

1: 

1 

: 

~ 

- 3 

: 

32 

33 

34 

2,4U 2,447. 594 39f 347 1,611 830 39: 385 l?il 60 38 44 27? 122 35 

373 370 : 21 35 66 I.Si 243 3( 29 - 3 4 1 a 21 36 

30 31 : 1: 18 1 J 22 

i 

1>971 1,9sl 5af 372 3E 199 1,4s[ 51.5 341 347 131 54 32 40 257 90 57 43s 44s 10I 62 37 244 202 5( 49 6 3 5 5 19 30 B 3.93 199 [ lE : 134 S! z 3 2 3 lC 24 59 243 247 % 44 : 1: 66 1! z 4 2 9 6 Lo
 475 472 81 7: lti 3% 137 Si 83 22 16 1: 12 80 25 !1
 95


19 2 

i 6 22 :

1

3[ 57 Zi .21 1 2 3; 6 15 U
 3 4 13 i 2 2 5 L3
 6 i 2 2 1 1 : : 1 1 !4
 2: i 4 5 1: ks
 1% 107 8 15 1: 6: 4 4 1 i i L6
 28 20 ; 4 2 8 : 12 i 7 1 : 6 L7


79 al 3? 20 14 9 7E 5 21 21 7 5 2 3 19 2 La


25 .26 3 7 7 6 25 4 4 4 4 L9
 677 678 357~
 1s2 98 28 665 d 14f 148 as 28 u 9 143 iO
 95 90 2 4 9 lE 72 1s 19 - 3 2 3 8 z ;1


2,7S7 2,78? 677 460 567 290 1,784 1,003 322 323 103 47 47 22. 220 105 52


419 U7 7 20 z 53 125 292 34 33 1 1 3 4 9 24 ;3 2,228 2,237 66s 437 214 1,63C 607 27E 279 103 46 44 17 210 69 ;4
 469 460 107 69 54 267 213 45 45 U 4 3 3 23 22 ;5
 191 19a 14 2.5 21 z 69 129 3C 30 7 4 3 l-l 13 ;6
 278 2a2 54 33 18 198 84 IS 4 : 9 ;7
 559 538 1% 126 69 352 176 101 1: 43 19 1; 3 8; 21 ;a
 97 96 1 :: 12 U 3s 58 14 14 2 3 3 8 6 ;9
 27 27 2 4 3 9 18 7 7 4 1 5 2 io
 13 13 1 1 2 U. 3 1 1 2 ;1
 43 43 G i 8 9 38 7 : 2 2 ~ 2 ;2

------------------- -----------

200 VITAL STATISTICS-SPECIAL REPORTS 

TABIEI.1 .
 DEATSSGNDER28 DAYS FROM SEIXCT2DCN.EWS,BY BIRTHWEIGHTPNtlRACE:

(6Y Place of residenceat birth. Includesdeaths amng childrenborn Jan.1 to Nar. 31, 1950. Birthweightsnut stated


— 

ALL RACES 

AF@2AAND CAN= OF DEATS Total Birthweight (in ,@Ms )


I 

Tabu- Ad- 1,000 !,ool.- ?,500 2,501 

or or or lated lstedl less ?,500 less 5 * 

EMT NORTSCENTRAL-continued


krtain diseasesof earlyinf@.ncy-Contfnued


1 Hemolyticdiseaseof newbo;n(erythroblastosis )----------773 121 121 5 7 14 19 45I 76 

2 Hemorrhagicfiiseaseof newborn---------------------------77l 35 35 1 3 5 5 14 21


3 diseasespeculiarto earlyinfancy, 

Inoludingnutritionalmaladjustment-----------------772,773 76 76 25 12 EL 9 57 19 

4 Immaturitywith mentionof any othersubsidiary 

3E 

Ill-defined


conditisn-----------------------------------------------774 37 4 13 u 4 32 5


5 immaturityunqu8Iified-----------------------------------776
 656 553 456 245 99 34 534 19


6 iUl otherCauses--------------------------------------Residu&l
 151 144 3 3 5 21 30 114


NoRTS CmrsAL------------------------------ml c~=s 1,53: 1,539 320 249 232 177 978 561 

e Congenitalmalf0mti0ns-------------------------------75O-759257 259 6 13 26 37 52 177’ 

9 Certaindiseasesof enrly infacy----------------------76O-7761,19s 1,200 314 233 196 12s 873 327 

274 277 50 51 41 24 146 151 

NEST 

lC 

and spinalinJury-------------------------76O 10C 101 2 + 2 11 10 25 76 

12 Otherbirth inW-y-------------------------------------76l174 176 46 29 30 14 121 55 

1s Postnatalasplumiaand atelectasis-----------------------76224: 241 36 40 50 170 71 

14 Fneumonleof newborn-------------------------------------763SE 5s 5 s : 25 33 

12 12 1 4 5 7 

BirthinJuries---------------------------------------76O,76l


u Intracranial


M Diarrheaof newborn--------------------------------.--.--764


16 Other infectionsof newbonI--------------------------765-768 : 3 1 1 2 1


17 Neonataldisordersarisingfrom maternaltoxemia---------769 35 3s ? 6 lC 3 27 U


16 HemoWic diseaseof newborn(erythroblastosis
 )----------77C 64 64 i 4 4 6 16 46 

1$ Hemorrhagicalseaseof nevborn---------------------------77l 1[ 18 1 2 1 4 14 

2C Ill-defineddiseasespeculiarto’earlyinfancy,


includingnutritionalmaladjustment -----------------772,73
 E 61 30 17 4 7 58 3.


21 Immaturitywith mentionof any othersubsidiary


condltion-----------------------------------------------774 23
 n -1 7 7 4 19 2


22 mmnaturltyunqualified-----------------------------------776
 40[ 407 1s5 121 71 22 399 s
 ~
 2: AU othercauses--------------------------------------Residual ec 3 E 12 v 57


24 SOUPRATLANTIC----------------------------------U1 causes 2,9U 2,915 471 401 1,S06 .1,107


Congenitalml f0mati0ns-------------------------------75O-755297 296 2 17 1s 54 92 204


Certaindiseasesof earlyinfancy ----------------------76
 O-77E 2,313 2,322 461 4S6 415 296 1,63S, 684


Birthinjuries---------------------------------------76O,76l
 422 427 47 4s 5$ 54 2.09 216


Intracranial
and spinalln@Y-------------------------76C 196 200 14 1s 29 6S 132


Otherbirth inju~----------------------.-.-------.----76]226 227 2 35 4( 25 141 S6


Postnatalasphwia and atelectasis----------------------762 453 460 54 50 8E 94 2S6 174


Fneumonie. of newborn-------------------------------------76:
 137 139 1 14 2? 19 57 52


Diarrheaof newborn--------------------------------------76420 20 3 I 2 6 14


OtherInfectionsof newborn--------. --------------.
 --765-76E I-1 u “1 1 1 3 6 s


Neonataldisordersarisingfrommaternaltoxemia---------76f 60 61 17 9 11 7 44 17


Hemolyticdiseaseof newborn(erythroblastosis
 )----------77( 55 55 3 4 5 12 43


HemorrhagicrliBease
of ne?abom---------------------------77l 50 52 1 1 1: 10 25 27


Ill-defineddi6eafie8
 peculia to early infancy,


includingnutritionalmalad,lustment-----------------772, 77?
 153 153 26 29 2( 24 99 54


3[ Imaturlty with mentionof any other subsidiary


c0ntiti0n-----------------------------------------------774 25
 25 5 3 1( 1s 7


3: Immaturityunqu81ifieL----------------------------------77f927 919 309 304 lEK 7s 876 43


4( AU othercauses--------------------------------------Wsiauti
 303 295 6 6 u 51 76 219


EAST Soum CEmRAL All caueec 1>739 1,739 23S 270 23f 253 S99 740 

42 Congenitalima3f0rm.8ti0ns-------------------------------75O-759 16S
 170 5 10 14 33 64 1C6 

43 certaindiseasesof early infancy ----------------------76 O-776 1,279 1,2s5 22s 247 208 1s0 S63 423


44 Birthinjuries---------.
 -.---------------------------76O,76l245 247 23 19 26 38 lCK 141


45 and spinalinWy-------------------------76O 103 1C4 1 1 5 15 22 52 

46 

47 Otherbirth injury-------------------------------------76l142 

Postnatalasphyxiaand atelectasis-----------------------762242 

143 

243 

22 

24 

1s 

43 21 

35 

23 

40 a4 

145 

59 

100 

48 Pneumoniaof newborn------------------------------------- SE! S-5 2 5 6 10 23 62 

49 Diarrheaof newb6m--------------.----------.--.--------%” o s 1 3 4 5 

50 O-t&rinfectionsof newbarn--~-----------------------765-76S 5 5 ,- 5 

51 Neonataldlsonier8arisingfrommaternaltoxemia---------769 37 37 3 9 6 6 24 13 

52 Eemdy’cicdieeaseof newborn (ery_tbrob18stosis 

Intracranial


)----------770 55 39 1 4 10 15 24


53 Eenmrhagic diseaseof newboni---------------------------77l 25 25 1 3 4 21


54 Ill-defined.31aeases
 peculiarto ee.rlyinfancy, 

Incluiingnutritionalmalad.lust+snt-----------------772,77371 72 10 18 ls 7 47 25 

55 Immaturitywith meutionof any other subsidiary 

CoEdition ----..------------.----------------------------7741s 1.5 2 7 1 5 15 .-


56 lbmaturityunqualified---------------------------------776	5E 50s 164 145 IX/ 5s 482 27


57 AU othercauses---.------.---------------------------Re.8idual
 292 2s3 5 15 16 3s 72 21.1


See footnoteon p. 202.

Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGR4P~C DIVISION 201 

UNITEDSTATESAND E&X GECGFAPEICDM2ZON, JANUARY1 TO MASCE31, 1950-Continued


are distributed.Numbersafter causesof death are catezom numbersof the Sixth-vision of tie International.
 Lists,1948)


— 

W21m Iiom’mm 

Total . 3irth weight (in guns) Total S.h-& weight(in grams) 

TaLu- 1,000 .,001. 1,591- 2,500 2,501 Tabu- 1,000 .,001 - L,501- 2,col- 2,500 !,5C0. 

lated less 

or .,500 2,900 or or wc.ea I.& .,500 2>000 ?,500 1:s 

or less more mre


1.14 

2E 

SL4 

2a 

5 

1 

7 

2 

14 

4 

45 

lC 

69 

la 

7 

i 

7 

7 i i 2 4 

7 

3 

1 

2 

6S 69 24 12 10 55 16 i 7 1 1 2 4 3 3 

37 36 4 12 u a 5 1 1 1 1 772 771 41c 226 aa 755 16 54 az 46 19 u 3 7s 3 : 14c 133 2 3 3 2s 104 u U 1 1 10 6 

1,457 1,457 29S 2.3a 220 922 535 az a2 24 I.1 12 9 56 26 7 

25: 255 6 12 26 al 174 4 4 1 1 3 a
 1,131 1,132 290 224 2a7 310 6E ‘4 9 u. 7 51 17 9
 264 267 49 31 39 R 1.S6 lC E 1 2 2 5 5 LO
 94 2 2 10 22 72 7 7 1 2 3 4 u
 1:	 173 47 29 29 54 i 1 1 12
 225 226 31 37 50 z: 67 : 1: 5 3 3 ; 4 L3
 45 49 5 5 21 2a < 3 1. 4 5 14
 3-I u 1 6 1 : 1 K
 2 2 : 1 1 1 i L6
 35 3a 6 8 1; 27 ; L7
 6? 4 4 16 i i L8
 17 : : 2 4 z ; 1 1 19


s] 60 30 17 3 57 3 1 1 1 1 30


m19 19 6 7 17 2 2 2 1 1 2 ?1 3sl 3ao 16; Ua 6a 372 27 16 5 5 i 27 ?2 73 70 2 7 19 : lC : 1 1 2 4 6 :3 

1,776 1,776 302 299 2a4 lml 635 1,137 1,137 169 190 lsl 145 665 472 ?4 

233 231 2 1.2 19 4( 73 ua 64 65 5 14 19 4s ?5 1,407 

294 

1,41.3 

29s 

297 

37 

284 

34 

260 

49 

19C 

‘4C 

1,031 

160 :: L? 

909 

129 

161 

10 

1s2 

15 3.0 106 

14 

607 

49 

302 

ao 

?6 

!7 136 r59 3 10 14 21 al 6C 61 3 5 8 20 41 !a 1.56 139 34 24 35 1s G 47 68 68 7 1? 5 6 29 39 !9 Zils 316 31 32 77 202 SL4 3.36 144 23 la 26 17 84 60 50 60 61 1 7 % 6 26 35 77 7s IJ. 13 31 47 $1 u u 2 2 9 9 9 : 1 4 \z 2 2 2 2 9 9 i 1 1 : 4 ; ~3 39 40 u- a 6 5 32 8 21 2 3 5 2 3.2 9 !4 44 44 2 3 4 9 35 : I.1 1 1 1 a 5 25 25 ; a 13 12 25 27 1 4 7 2 15 !6 

60 60 17 16 8 u 52 a a3 93 9 3.3 1.2 13 47 46 !7 

M ls 3 2 4 9 6 10 10 1 s 9 1 ;a 542 541 192 183 107 42 524 17 3s5 378 11: El 78 36 5.52 26 ia 136 132 3 3 5 26 37 95 167 163 5 3 6 25 39 124 10 

1.13.I 1,131 166 192 167 177 702 429 60S 6oa 72 7a 71 76 297 a u 

137 13s 5 9 14 27 53 83 33. 32 1 a 9 23 12 593 a97 161 179 150 3.34 624 273 386 389 67 68 58 46 239 150 13 185 1s5 17 la 21 3s 92 93 60 62 6 1 5 2 14 4a L4 4 14 19 55 29 30 1 1 1 3 27 Is 2 G 1; 1+ 17 22 73 3a 31 32 5 i 4 1 .u. 21 16 202 202 23 39 35 3a 13s 67 40 41 1 4 1 2 8 33 1? 48 47 2 3 3 a 16 51 37 3a 2 3 2 7 3L ka 7 7 1 2 3 4 2 2 1 1 1 :9 4 4 4 1 1. ;0 25 25 2 6 4 19 6 1; 1.2 i 2 2 5 7 ;1 34” 34 : 4 a 14 5 5 1 4 ;2 19 19 1 2 3 %? 6 6 1 ; 5 ;3 

42 42 4 I.1 7 1 23 19 2a 30 6 7 5 6 24 6 i4 

12 12 2 6 4 12 3 3 1 1 1 3 i5 31.3 320 11.1 94 72 307 13 191 la9 53 51 43 2a 175 ;6 ml as 4 3 E 23 73 lSI. 187 5 9 13 22 49 lZ ,7 

1 
-----------

------------

------------------------------

202 VITAL STATISTICS-SPECIAL REFORTS 

TABIS11. IEATSSUNDER2S DAYS FROM S3HXWSD CA?.HIS,
BY B- VEIG2TAND RACE:


(BYPlace of residenceat birth, Includesdeaths”
nmongchildrenkm J6n.1 to Mar. 31, 1950, Birthweightmnot @fated


= 

ALL RAcEs 

AFEA AND CAUSE OF D2ATS lbtd Birthweight (in grams) 

T8bu- 1,000 1,001- 1,501- 2jCHJ1. 2,500 2,5Gl 

or lated )u%dL ;s 1,500 2,0C0 2,s00 & rime 

1 HSST WJIH CENTRAL------------------------------All causes 1,783 1,783 264 302 256 258 >,0s0 703 

2 :ongenltal tiOmations .------------------750
 -75g 188 la? 10 18 4L7 68 119 

3 :ertaindisease8of earlyinfmcy.-----------.---.-----760-776 1,39s 1,4C6 259 287 22s 190 92.4 441


4 Birthinjuries---------------------------------------7@,76l
 261 263 16 23 27 94 169


s Intracranial
and 6pinalinjuv.------------------------76O 141 142 12 H 35 107


6 Otherbirth in@rY-------------------------------------76l120 121 1; 1: 15 10 62
 7 Postnatalasphwia ad atilectasis------------.
 ----------762 204 Zm 18 37 33 1% 75


8 FUeUMOn,ie of newborn-----.
------.--------.---------------763102 103 5 6 7 : 34


9 Diarrheaof newborn---------------------------------.----764
26 26 3 8 3 14 :: 10 Otherinfectionsof newborn--------.-.---_----------.765-768 12 12 5 7
 11 ?feonatal
 dioozderaarisingfrommaternalt.axemia~--------769 30 29 2 5 7 2: 7
 12 Re!cdyticdiseaseof newkmn (erythroblastmsis)
 ----------770 46 46 5 : 20 26
 13 Hemorrhagicdiseaseof ~utim-----. -------. ------.
------77l 19 19 1 : 1 5 a U
 14 Ill-defined
diseasesPculiar to earlyinfency,


includingnutritionalmal.ed jusknt-----------------772,
 773 IJ.o 13.3 30 3.5 23 12 80 33
 13 E&maturitywith mentionof any other subsidi~


cOnditiOn--------------
 .--------.-----------.-----------774 22 22 5 5 7 17 5
 16 Damaturityunqualified-----------------------------------776
 5S6 567 182 188 1C6 63 53s 29
 17 U otherCWSe8,----------. ------------_ -------.
------ReEidu~ 197 191 5 5 10 2s 48 143


19 MOWm---------------------------------.------m causea 796 79s 164 140 132 113 549 267 

19 :ongenltal mlfomatiOns .--------------.---75
O-759 87 85 2 13 17 32 53
 20 :ertalndiseasesof early iflacy---------------
 ..----76O-776 645 649 164 13s IJ.3 499 150
 21 Birth inJuriee------------------------------.--.-----76o,76l
 158 160 36 32 % 103 57
 22 and spinalin$my-------------------------7SO 69 69 : 9 34 35 23 Otherbirth inju~-----------------------------------.-76l 59 91 2; 2: 69 22 24 Postnatalasphyxiaand a@lect~is---------------.-------762 156 134 20 22 2: 2: &l 2s Pneumoniaof newbon------.---------------.-.------------763 26 26 2 3 7 z 14 

Intracranial


26 Diarrheaof EewbOrn------------ ..--------. -.--.-.----.
---.7S4 7 7 2 2 4 3
 27 ~ Gthe;infection of hewimn--------------------------765-76S 4 1 1. 3
 28 Neonmtaldisordersexisingfromi.sternal
toxemia-------.-769 1s 1: 5 4
 29 Eemol@ic di8easeof newborn(erythrob166tosis
 )--..------770 26 28 2 : 1: E z
 30 Hemorrhagicdtseaseof newborn------------------.--------77l 4 4 1 2 3 1
 31 Ill-defined
diseasespeculim to early infancy,


includingnutritionaln!al@.djustment------------.----772,773
36 36 3 7 l-l 4 27 9
 32 Immaturitywith mentionof any othersubsidiary
 cOntiitiOn -----------------------_
 -----------------------774 11 10 4 1 3 10


33 Inmmturityunqualified-----------------------------------776
 217 221 93 68 &l G 217 4
 54 U othercmses-------------.
 ------------------------Rsidul 64 62 6 12 18 44


33 PACIFIC-----------------------------------------4ll C8US@9 1,540 1,540 356 313 241 1s9 1,109 431


36 :ongenftal
 malfomatione -750-7S9 195 191 2 8 126 

37 !ertaindiseasesof early iru%.mcy-------------------.--76O-776 1,270 1,275 350 301 2Z & l,OR 256


3s BirthinJuries---------------------------------------76O,76l
 2S7 268 65 3s 40 2a 171 97


39 Intracranial
and spinaltiJuq---------------------.-.-76c 94 94 4 1.2 16 3s 59
 40 Otherbirth injmy-------------------------------------76l173 174 61 : : 28 12 136 3a


41 Fustnatalasphyxiaand atikctaeis------.
 ------------.---762 384 3S6 63 84 91 15 313 73


42 Rmm.onia of newlm’n-----------.---------.--------------763 55 56 10 12 5 27 29
 43 Diarrheaof nevborn--------------------------------------7645 5 1 1 4


44 otherinfectionsof newborn--------------------------765-768 4 4 i 2 4


45 Neonataldisordersarisir+g
frcmmaternaltoxemia---------769 51 2 5 4 9 3 28


46 Eemolyticdiseaseof newborn(erythmblastcmis
 )----------770 2 2 8 U 3;
 47 diseaseof newtim----------------------.----77l H t 1 2 - 3 s 4 

46 Ill-&fineddiseasespecullarto earlyinfancy, 

includingnutritionalmM~stint-------------..772,773 52 52 13 23 4 9 49 3 49 Dme.turitywith mentionof any other subsidimy 

condition---------------------------------------.------774 

Eemorrh.sgic


24 24 .4 u 2 24
 50 Immaturityunquelified-----------------------------------776
 389 390 197 lzl 48 15 3s4 6
 51 U othercauses------------------------------------Residuel 75 71 4 4 6 8 22 49
 —


%&a by weightadd to figuresBhO!.m
in this column. Figuresdiffer somewhatfrom the tabulatedtotd!sshownin the firstcolumnbecause


of tie procedureused for distributing birth weightsnot stated. For discussion,see 8ectionin t.-sxt
 on Distributionof “notstated”blfi 

ml $ ts. 

figuresby causefor the UnitedStatesand the tivlaionswere adjustedindependently,and in some daseetie mm of tie f+gureafor the


divisionsmay differ.91.@tlyfmrnthe tata.le
for the UmitedState8.


%xcludeO data for Ma k3achusetts. 
5

10

15

20

25

30

303 Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DMSION 

07?~D S3WISSAND EACS GSOW.APSICDMSION, JANWRY 1 ‘lDMAWS 31, 1950-Continued


are distributes.Numbers aiter causes of death are category numbers of the SixtLFw5.sionof the International
Lists,194S)


= 

Wsim NoNnHIm 

‘rota MI-U weight (in was ) Total Birthweight (In w-) 

2 503 2,501
 Tabu- 1,000 1,001. l,sol- 2>oo1- 2>503 2,501. Te.bu- 1,000 1,cOl- 1,501- 2,fxo.- :=


lated ju%dl 0=
 less 1,500 2,000 2,5C0 1:s Iated .&:dl g 1>509 2,coo 2,5C0 m~e
 less m~e


1,525 1,325 206 227 191 194 S18 507 458 45s 58 75 55 64 262 19s 1 

171 170 9 37 63 107 17 17 - 1 1 3 5 12 2 

1,031 1,038 203 215 1: 141 728 310 367 3s7 56 72 59 49 236 131 3 191 192 12 16 25 23 7s U6 73 71 4 7 2 5 18 53 4 

103 103 1 1 10 16 2s 75 38 39 - 3 2 2 7 32 

88 89 XL 15 X5 7 41 32 32 4 4 3 n 21 6 

1.59 159 16 28 28 32 1% 55 45 46 2 9 5 12 28 16 7 ~ 69 3 s 3 a 20 49 33 34 2 8 14 20 8 

: 13 2 4 2 s 5 13 13 - 1 4 1 6 7 9 

6 6 2 - 2 4 6 6 - 3 - 3 3 

23 22 1 4 6 4 ls 7 7 7 1 1 1 4 7 - s!. 41 41 3 5 s 16 25 5 5 - 1 - 3 4 1 12 

14 14 1 1 1 4 7 7 5 5 - 1 1 4 13 

71 73 22 s 12 12 54 19 39 40 a 7 11. - 26 14 14 

16 16 3 3 5 - xl 5 6 6 2 2 2 6 -1 

426 433 145 144 7s 4a 415 la 138 134 37 44 27 M- 123 U 16 

123 1..17 3 3 5 16 27 90 74 74 2 2 5 12 21 53 17 

733 733 1.57 132 119 102 510 223 53 63 7 a 13 u 39 24 1s 

65 93 2 12 17 31 52 2 2 - 1 - 1 1 19 59a 602 157 130 103 75 465 137 4’7 47 7 a 10 9 34 13 

152 1.54 33 32 17 1s 98 56 6 s 3 3. 1 5 1 21 65 a5 4 a 12 9 m. 34 4 4 3 3 1 22 a7 89 26 5 7 a7 22 2 i i 2 - 23 126 126 E 19 27 21 10 13 2- 3 2 3 10 - 24 22 22 2 3 7 : E “4 4 - 4 6 6 2 2 4 2 1 1 - 1 2a 2 2 2 2 2 - i : 1 1 27 15 14 5 4 4 13 1 3 3 - 1 1 2 za 2a 28 2 1 1: 13 15 29 4 4 1 - - 2 3 1 

2a 2s 5 7 7 4 23 5 a a - 4 - 4 4 31 

X!. 10 4 1 3 2 10 - - - - - - - 32 204 2CS 91 63 39 u 204 4 13 13 .2 5 2 ~. 1; - 33 50 48 4 10 14 34 14 14 - 2 2 4 10 34 

1,404 1>404 320 280 223 186 1,C09 395 136 136 36 33 18 13 120 36 35 

lao 179 2 7 16 38 63 116 15 15 - 1 1 5 10 36 1,160 1,165 3J.4 270 203 140 238 Do Llo 36 31 Is 1: 92 18 37 

254 255 65 37 3a 26 z a9 13 13 - 1 2 2 5 8 w 84 4 1.2 14 32 52 10 10 - 1 - 2 3 7 39 170 1% 61 ; 26 12 134 37 3 3 - 2 - 2 1 40 

341 342 52 65 71 274 6S 43 44 l-l la 4 39 5 4). 46 4a ?0 10 4 24 24 9 8 - ; 1 3 5 42 

5 5 1 1 4 43 

3 3 - .- ; 2- 3 1 i : i : : 1- : 44 

30 30 4 u 9 3 27 3 1 1 1 1 - 45 49 49 2 - 2 a 12 37 46 9 9 1 2 - 2 5 4 1 1 - i 1- : 47 

49 49 10 23 4 9 46 3 3 3 3 3 - 4a 

24 24 4 7 11 2 24 49 350 351 176 113 43 13 345 6 21 u. 5 2 39 : 50 64 60 4 3 4 6 19 41 E E - 1 2 - 3 s 51 
---------------------------------

--

--------

----------------------------------------

X)4 VITAL STATISTICSAPEC!IAL REPORTS


TA31E12. f6ZONATAL MXTAL73!YW FOR E2LE~ CAUS219,
2Y = U216ST


(BY PlfiCeof residenceat birth. Easedon death under28 days mow childrenborn Jan. 1 to Mar. 31, 1950. Ratiopr l,@33 live bitiB in’ 

the hternatioml ML6, 1948. l!fod@s (..) iticate rate 

ALL7+ACES 

AR2AfiiDCAU6XOFDE.45X Birth “vei@t (in grams) 

- Wall ~w 

& 1,oo1-jsol. 2, ml. 2,500 2,301 or less 1,520 2,0C0 2,500 1%
 — —


1 ~m sm2--- AU causes 20,0 k871.7
 331.3 Z1l.o 50,4 173.7 

more 

7.8 

2 20ngenital
tiOmtiOns--.---.-.. -------------.--...-------.---75o.7592.5 7.6 S1.1 ls.3 8.7 11.4 1.8


3 krtain diseasesOf earlyinfancY-------------------------------76O-776
 15.9 S58,7 522.3” 107,0 37,3 137.2 4.7


4 EirthinJtiea------------------------------------------------76O,76l
 3.2 121.9 66.9 28.9 6.7 23.3 1.7


5 Intracranial emd spinalinJurY----------------------------------76O
1.4 14.3 14.0 10.9 3.6 1.0


6 Otherbirth inJq----------------------------------------------76l1.8 107.7 54.9 I.s.o 3.1 1::: 0.7


7 Fostnatelasphyxiaand atelectanl&-------------------------------7623.6 121.2 97.0 51.5 12.5 53.6 1.2


6 FmeumoniaOf nmbom-------------:
-------------..-..--------..----763	0.6 3.3 13.6 7.6 2.6 4.5 0.6


9 Dimrhea of netiom-----------------------------------------------7M 0.2 0 2.0 2.4 0.6 1.0 0.1


10 Otherinfectionsof newborn-----------------------------------765-768
 0,1 ,. 1.1 0.4 0.0

II NeonataldisoniersariEiw frunmaterneltaxemla------------------769 0.3 14.5 u:; 5,4 1:6 0.1


lz Eemolflicdieea8eof newborn(eryth.robla6tosls
 )-------------------770	 0.6 4.3 6.3 4,8 2.2 ;:: 0.5


13 HemorrhagicdiseaseOf newborm-------------------------.----------77l
 0.2 3.3 2.8 2.4 1,0 1.5 0.2


14 difieaeefi 

nutritionaltiwu8tient------------------------------------772,773 0.6 46.3 29.1 8.8 2.0 8.3 0.2 

15 InmMurity withm?ntlonof any othersubsidiarycondition---------774 0.2 9.4 10.4 5.3 0.7 2.9 0.0 

16 Immaturityq@ified--------------------------------------------776 5.7 532.1 200.5 68.8 8.o 75.1 

17 W othercmses------------------------------------,-----------Wsid~1.6 7.4 7.9 5.8 4.3 5.1 ::: 

Ill-defined p=culi- to earlyim%ncy, including


16 ~ ~~=-__- --------------------------------------A2J. tames 20.1 II 920.4 646.6 23s.1 41.8 177.7 8.4 

mdf0mti0n6------.--.------------.--.-------.-----.75o-759 3.2 .. 40.8 z.4 

20 %rtxim diseasesof earlyinfancy-------. 

19 20ngedtal -----------------------76O-7761.3.8I 895:; 612.1 187.1 Z4:i 1%: 5.1 

21 RirthinJmies------------------------------------------------76O,76l
 5.5 II .. 129.3 40.8 8.7 27.5 1.8

22 Intracranial
and spinali@w----------------------------------76o 1.3 0 0 .. ., 0.8 

23 Otherbirth injW-----------.-------------.-------------.. --.-76l 2.2 1.S9.3 1::; 1.0

24 Fostnatalasphytiaand atelectasis--------------------------------762 4.4 132:i 172,4 n:; 16:; 44.9 1.5

25 Fneumoniaof newbom-----------------------------------------~----763
 0.7 o 0 o .. .. 0.7

26 Diarrheaof mtiom---------------------.-------.----.----.--.----764 .. 0 0 0 .. .. ..


27 Otherinfectionsof newbcnn-----------------------------------765-766.. 0 0 0 0 0 ..


28 Neonataldisordersari6inEfrcmmater!mltoxemia------------------769 . . ,. .. 0 ..


29 Hemolyticdiseaseof newborn(erythmble.stosis
 )-,-----------------770 0:; 

. 0 0 ,. .. .. o:i 

30 Hemorrhagicdlseaaeof newborn-----------. -----------------------77l .. . . 0 0 0 .. . . 

51 Ill-defineddise=ea peculiarto earlyinfancy,including 

nutritionalti@uswnt----------- .----------------------.-772,3 0.5 .. 0 .. .. .. .0

32 Iumatuxitytitbmentionof any othersutmidierycondition---------774 0 0 

33 InmmtvrityWtiified--------------------------------------------7764.8 531:6 275:; 54:; .. 67:; . . 

54 U OtherCUBeB-----------------------------------------------Residti
 1.1 0 .. .. ., .. 0.8


35 PIDDLEMU26’11C ----------------------------------m
 Cau&ee 16.9 913,1 522.9 179.4 40.0 160.2 6.9


36 ;ongenital
malformations 750-759 2.7 .. 27.5 18.2 8.4 Il,s 1.9


37 >rtaln di8easesof efalyW=CY----.--.----. ------------------76 O-776 4- 15.4 903,0 489.7 1.56.4 30.1 146.5 4.4


S8 2irtbinJMes-----------------------------------------------76O,76l3.2 134.8
 74.5 22.8 5.3 22.4 1.7

39 Intracranial end spinalinjuxy----------------------------------76O 1.5 24.1 9.3 3.0 6.4 1.1


40 Otherbirth inJq---------------------------------------------76l 1.7 l%:: 50.5 13.5 16.0 0.5 

41 Fustndml asphyxiaand atelectaBie--------------------------------762 3.7 129.7 106.9 34.1 1::: 35.6

42 Fnemnoniaof =tiom--------------------------------------------'--763 0.6 .. .. 5.6 2.6 3.7 ;::

h3 Diarrheaof netiom----------------------------------------------764 0.2 0 0 .. .. ,. 0.1

44 Otherinfectionsof newborn-------------------------------—_-765-768 0 ,. .. .. .. 

45 Neonatalctiaoniers e.risingfrcmmaternelt0xti8---—-------------769 0:; . . ., .. 1:1 

46 Hemolyt.ic disebseof newborn(erythrubla6tc.8is )-------------------770 0.7 . . .. 7:; 2.1 3.7 0:4 

47 Hemorrhagicdiseaseof newborn---------------------------------- .-77X
 0.2 . . .. .. .. 1.4 0.1

46 Ill-clef
 ineddiseaeeepeculiart.aearlyinfancy,includins


nutritionalA&Justint---.-. -.---.-------....----.--.-----772, 773
 0.7 50.4 28.7 7.5 1.6 8.1 ..


49 Immaturitywith mentionof eJV othersubsidiq coniiticm---------774 0.2 .. 1.3 2.5


50 Immaturityqudified--------------------------------------------7765.5 569:: 240.8 50:i 4.7 68.7 o:i


51 KU otherca.e6------.--------------------------.-------------*8iaua0.8 .. .. .. 1.5 2.2 0.6


52 EAST NORTH ~--------------------------------------- cwsee 18.2 912.5 543.2 169.6 ~ 170.2 7“.0 — 

53 Xmgenital malformations -------------------------------750-739 I .---..-.
 2.7 .. 22.6 S1.6 7.5 11.4 2.0

54 >rtain diaemes of earlyitiacy-----.------------------.--.-76O-776 14.7 699.6 319.4 166.7 Z9.4 156.3 4.3


35 2irtbunties----------.-.-----------------------------------76O,76l
3.0 137.7 76.5 27.7 5.1 24.6 1.3


56 IntracrcmdeJ
and spinalinJw----------------------------------76O 1.3 24.5 19.4 11.7 2.8 7.3 0.9


57 Otherbiti itiW---------------------------------------------76l 1.7 U3.2 59.1 16.0 2.3 17.3 0.6


58 FustnateJ. asph@a and atel.cctaais--------------------------------762
 3.9 170.4 114.o 36.8 I-7..7 39.5 1.2


59 1%.evmonia
 of mtim---------------------------------------------763 0.7 .. 17,2 7.0 ,1.8 3.9 0.4


60 Di=rhe.aof W&om----------------------------------------------7% 0.2 0 .. .. ,. 1.2 0.1


61 Otherinfectionsof Whom-------. -......-_ ----------.--765-768 0.1 0 0 .. ..


62\ Neonataldisordersarisiw fra maternaltoxemia------------------769 .0.3 17.5 .. 4:i .. 3:; ,.


%tes baaedon t@ukted totalsshownin tableU.


‘=cludes data for Msssachwetta.


~,

.

.

“Vol. 45, No. 10 WEIGET AT BIRTH BY GEOGRAPEUC DIVISION 205 

Am RAcE:uNrI!80 sTA!c’6sMm EAc20EcGFJtmI C DMSION, JANUARY1 TO kf4RC231, 1950 

each specifies group. Birth weighimnotstatd are dlatrllmte.a. Numbers after muses of death are category mmbersof the Sixth Retision of 

not canputed*m the numberof &aths is less than 10) 

142rm ,, 

Birth weight (in grins) 

TotfL= ~,m 

1,001.”I 1,501- 2,001. 2,500 

or 

1:s 1,500 2,000 2,503 less I 

16.9 =& 2.7 9.1 22.8 zl.4 9.7 12.9 

1.5.O 869.2 534.2 189.3 37.5 159.2 

3.2 137.0 77.7 32.0 7.2 25.9 

1.4 M.2 13.7 SL.7 3.8 

1.9 1.Z4.8 64.0 20.3 3.4 1::: 

3.5 U2.9 98.3 56.5 13.7 34.9 

0.7 3.1 13.5 6.7 2.3 4.1 

0.1 0 . . I 1.6 0.5 0.8 

0.1 0 0.3 

0.3 16.3 12:: 5:6 0:; 3.7 

0.7 5.3 7.1 5.6 2.5 3.6 

0,2 4.1 2.7 2.3 0.8 1.4 

0.7 46.4 28.7 ] 7.1 1.7 7.8 

0.2 10.0 3L5 5.5 0.7 3.1 

5.3 534.0 280.2 65.5 6.9 73.7 

1.1 5.0 5.1 3.9 3.4 3,7 

19.8 925.2 657.1 241.1 41.7 176.6 

3.3 42.6 13.8 

15.4 897:; 619:6 187.9 35:; 158.4 

3.5 .. 142.9 42.6 .. 28.2 

1.3 0 0 .. .. 8.1 

2.2 142.9 20.0 

4.3 12G 181.0 70:6 17:i 44.5 

0.7 0 0 0 .. .. 

.. 0 0 .. .. 

.. : 0 0 0 

. . . . 

2a3.3 50.6 175.8


.

0

. “T0 ., 

0:+ o 0 0 .. .. 

.. .. 0 0 0 .. 

0.5 .. o . . .. .. 

. . 0 .. 

4:; 332:; 257.1 56:; .. f35.1


1.1 0 .. .. .. ..


17.8 918.1 L523.1
 169.5 40.2 160.3 - -

2.7 27.7 19.1 9.7 lZ.6 

14.4 903:i 4S2.7 lss.2 29.2 145.9 

156.1 61..9 24.0 5.4 24.3 

::: 23.8 9.8 3.1 6.5 

1.8 143:; 58.1 14.2 2.3 17.8 

3.5 125.2 104.4 57.9 10.1 53.3 0.7 .. .. 6.6 2.6 3.8 

OJ. o 

0 

0 

.. ..

.. .. 

.. 

.. 

0:; 

0.8 

.. 

.. 

,.

.I 8:; 2:; 

1:; 

472 

0.2 ‘o, . . . . .. 1.6 

0.6 51.0 26.4 7.6 .. 7.6 

0.2 .. .. 2.5 

4.9 531:i 240:i 53.5 4.1 66.2 

0.7 .. .. . . .. 1.8 

17.7 914.9 580.3 193.4 42.6 174.8


I NONk7iI!U 1 

M* WeUht(in gmms) I Totall 2,501 l,OW 1,oo1- 1,501- 2,001.- 2,5C0 2,501 

or or or or 

less 1,500 2,000 2,500 more
 less

7.1 26.7 s21.4 507.0 195.7


~


1.9 1.6 . . 14.0 5.0 

4.3 20.9 802.4 474.1 178.9 

1.6 3.2 56.8 32.9 15.6 

1.0 1.8 23.0 1.5.o 7.3 

0.6 1.4 33.8 18.0 8.2 

1.1 4.0 157.0 91.8 30.2 

0.5 1.7 .. 14.0 12.4 

0.1 0.3 0 .. 5.5 

0.0 cl.2 .. .. .. 

0.1 0.4 .. .. .. 

0.5 0.3 0 .. .. 

0.1 0.4 0 .. .. 

0.1 I 1:7 II 4s.0 30.9 16.0 

0.0 0.2 

0.2 8.6 523:i 281:i 62:; 

0.9 4.1 17.6 19.0 13.7 

8.4 35.6 — 

.. .. ..

mr 2.5 0 o 0 0 

5.1 33.6 . . .. .. 

1.7 .. 0 0 0 

0.8 .. 0 0 0 

0.9 .. 0 0 0 

1.3 .. . . .. .. 

0.7 0 0 0 0 

.. 0 0 0 0 

.. 0 0 0 0 

0 -o 0 

o:i .. : 0 .. 

.. 0 I 0 0 0 

. . 0 0 0 0 

0 0 0 0 0 

0:; “:: . . 

o 

.. 

0 

0 

0 

6.5 29.9 891.2 52.3..7 120.6 

1.9 2.3 0 

4.1 26.2 891.2 469:; 101:: 

1.6 3.8 .. .. .. 

1.1 2.6 .. .. .. 

1.1 0 

6.2 149:i 139.1 31:; 

0.4 1.7 . . .. o 

0.1 . . 0 0 .. 

.. . . 0 0 .. 

.. 0 0 0 0 

0.5 . . 0 0 .. 

0.1 . . 0 0 0 

. . 1.6 . . .. .. 

0 0 0 

0.1 u:; 646.3 243.5 34.9 

0.6 1.4 0 .. .. 

6.8 I 24.2 II 887.4 431.2 166.1 

more


49.5 164.7 13..9 1


3.3 10.8 0.7 14 

1.5 

12:i ::: 0:; ls 

8.5 10.9 3.2 3.7 

4.4 5.1 1.3 z 

38.6 148.6 7.3 3 

4.5 12.3 2.3 4 

2.6 6.0 1.4 5 

1.7 6.3 0.9 6 

6.9 28.0 1.5 7 

3.9 6.3 1.2 8 

.. 1.8 0.2 9 

., 0.9 0.1 10 

.. 2.4 0.2 U 

.. 1.0 0.2 12 

1.8 2.0 i 0.3 13 

.. 202.7 .1s 

0 o 19 

.. 189.; .. 20 

.. .. a 

.. .. .; 22 

0 0 .. 23 

0 .. .. 24 

0 0 0 25 

0 0 0 26 

0 0 0 27 

0 0 0 28 

0 .. 0 29 

030 

0 0 0 31 

0 0 0 32 

0 ‘. 0 33 

.. .. 0 % 

38.9 159.8 10.6 33 

352 150:: 

1.8 35 

7.8 37 

.,. IJ..l 2.6 3a 

.. 5.9 2.1 39 

.. 40 

10:; .&i 2.2 41 

.. .. 3..3 42 

0 .. 43 

0 .. .; 44 

0 0 0 45 

.. .. .. 46 

.. .. .. 47 

.. xl.1 .. 48 

.. 0 49 

.. 631i Sa 

.. . . 1:631 

0 0 1

19.9 140.7 8.8 52


2.0 53


16:i 124:; 5.9 54


.. 14.7 1.8 55


.. 10.9 1.1 56


0 .. .. 57


,. .. 

.. .. :: so 

0 .. .. 81 

0 .. 0 62 

., 53.1 159


1.6 56


14.2 902:+ 55s.3 168.5 31.s 159.7 4,1 20.9 890:: 422.0 MS:; 3.0. 144.6 24.0 34.7 5.4 26.2 L4 3.4 94.0 .. .. 1.2 1.6.9 + 16.3 11..4 2.8 6.8 0.9 .. .. .. 1.8 125.7 65.8 17.9 2.6 19.4 0.6 R .. .. 3.6 138.5 1C6.O 56.9 .7.3.1 37.4 1.2 

0.6 .. 17.1 6.5 1.6 3.7 0.4 ;:: o .. .. 

0.1 0 0 .. 

2.7 24.4 23.3 6.1 3.2.2 2.0 2.6 .. 

0.2 0 . 

0 

. . 

. 

. 

. .. .. 7 ., 

.. 

Z@4.6 174.3 56:; 

0.1 0 .. .. 0.1 0 .. 

0.3 20.3 . . . . .. 3.7 .. I .. II : 0 .. 
..

.

206 VITAL STATISTICS-SPECIAL REPORTS 

‘l!AsI.16 12. N.EONATAL MOFWALITYRAT6SFOR SZL72C?12?D CAUSES,BY BISTSWEIGST


(See headnote — 

AH, RACES 

OF DENIM Birth
 veigbt (in srem5)
 M2SA MD C.W133

‘TOta.11 1,000 1,oo1- 2,500 2,501 

or or or


lees 1,500 less 3=more


134Sl! NORTRCSfWRAL-Cent
inued	 I 

I Certaindiseasesof early infancy-Contf.nued


1 Hemolyticdisea8eof newborn(e@hroblastosis)------.--.---------770 0.7 .. .. T 6.6
 2.4 3.8 0.5 

2 Hemorrhagicdiseaseof newborn------------------------.--.-----.--77l0.2 .. .. .. .. 1.2 0.1 3 Ill-defineddiseasespeculi.xcto earlyinfancy,including


,nutritional
 ~l&Justint------------------------------------772,773 0.4 29.2 12.9 5.2 .. 4.6 0.1 4 Inunaturitywith mentionof any othersubsidiaryc.ndltion---------774 0.2 .. 14.,0 5.2 .. 2.7 .. 

5 Innnaturlty uqutilfied--------------------------------------------776
 5.0 532.1 265.4 46.5 4.3 70.6 0.1 6 til other causes-----------------------------------------------Residuti
 0.9 .. .. .. 2.7 2.5 0.7


7 WEST NORTScEfrmAL-----------. ---------------------------.4ll
 causes 19.2 881.s 591.4 193.1\ 7.5


8 Congenital4f0mtions. --------------------------A---.----.---75O-759
 3.2 30.9 27.1 11.1 16.2 2.4


9 Certaindiseasesof earlylnfmcY-------------------------------76O-776
15.0 S65:; 553,4 20s.7 38.S 172.4 4.4


10 Birth inJuies------------------------------------------------76O,7Sl
 3.4 137.7 73.6 42.8 7.2 26.8 L.7


U Intracranial
and spinalIILWY----------------------------------76O1.2 .. 1.1.5 3.0 4.9 1.0


12 Otherbirth lnJw-----.----------------------------------------76l2.2 132.2 68:4 31.3 4.2 23.9 0.7


13 ~atnat.d.asph~ia and atelectffiis--------------------------------7S2
 3.0 99.2 95.0 52.2 13.2 33.6 0.9


14 Pneumoniaof newbom----------------------------------------------763
 0.7 c .. .. 3.6 4;9 0.4
 15 Diarrheaof newborn-----------------------------------------------764 0.1
 c 0 .. .. .,. ..
 16 OtherInfectionsof newborn-----------------------------------765-768 .. 0 0


17 Xeonetal. disordersarisingfrcmmaternal.
toxemia------------------769 0:; .. .. 10.4 :: 5:4 o:i


1.9 EemoWic diseaseof newborn(erythroblastosis
 )-------------------77O 0.8 .. .. .. .. 3.6 0.6
 19 Hemorrh%ic d.iaeaee of newborn------------------------------------77l
 0.2 .. 0 . .. 0.2 

20 Ill-defineddiseasespeculiarto emly infancy,including 

nutritional mtitijustiat------------------------------------772,7730.8 82.E 40.4 

. 

. 

. 

.I .. 1.1.51 . . 21 Immaturitywith mentionof my other subeidiq condition---------774 0.3 3.8 .. 

22 Innnhuity mludlfied--------------------------------------------776
5.1 509:i 287:; 741i 6:; 78.8

23 &ll othercmses-----------------------------------------------%siduti
 1.0 c .. .. 3.6 4.5 0:; 

24 SOU’EI ATlAF?lTC-------------------------------------------All cause6
 22.0 799.7 526.9 171.2 9.1 =4--= 25 Congenitaltif0~ti0ns-------------------------.--------------75o_7592.2 18.3 9.3 7.7 8.7 1.7


26 Certaindiseasesof earlyinf@ncy-------------------------------76O-776
 17.4 782:i 502.2 204.1 42.3 13%.2 5.6


27 BlrtbinJuies------------------------------------------------76O,76l
 3.2 79.t 52.8 29.0 7.7 19.s 1.8


28 Intracraniti and.spintiin.lury----------------------------------76O
 1.5 ‘15.1 9.3 4.1 6.4 1.1


29 Otherbirth injW---7------------------------------------------76l1.7 69:; 37,7 19.7 3.6 13.4 0.7


w Fustnatd.asphwia d atelectasis--------------------------------762 3.4 91.7 53,9 43.3 13.4 27.1 1.4


51 Fneumoniaof newbom----------------------------------------------763
 1.0 .. 15.1 1.1.3 2.7 5.4 0.7

32 Diwrhea of newborn--------------------------------------.--------764 0.2c .. .. .. T..
 0.1 

33 Otherinfectionsof newborn---T-------------------------------765-7680.1 .. .. ,. .. .. S4 Neonataldisorders=lsirw frommaternaltoxemia------------------769 0.5 28.$ .. 5.4 .. ‘4.2 o:i 

35 Eemolflicdiseaseof newborn(erythroblastosia)-------------------770 0.4 c .. 1.1 0.4


----------------------------77l 0.4 .. .. 6:; l:i 2.4 0.% 

37 111-defineddheaoee peculiarto earlyinfancy,includiq 

nutritionalti&Juetient---.--------------------------------772,7731.2 44.1 31.2 9.8 3.4 9.4 0.4 

3a Immaturitywith mentionof any othersubsidiarycondition---------774 0.2 ., 4.910 1.7 

39 ImmaturityWutiified-----.-------------------------------------776 7.0 524.[ 327:; 91.0 Ill 83.0 O:i 

40 Ml otiercause8-------------. ---------------Residu~ 2.3 .. .. 5.4 7.3 7.2 1.8 

56 Hemorrhagicdieeaaeof newborn-----4.


---.-..----------.


41 EAST Som CENrSAL---------------------------------------All causes 22.9 .820.7 554.7 231.7 68.7 181.5 10.5 

42 Congenitaltif0mti0n8----------------------------------------75O-7592.2 19.6 1.5.8 9.5 1.5


43 Certaindieeaseaof em-lyinfancy -------------------------------76O-776
 16.8 786:; 489.1 202.5 48.9 1::: 6.0


44 BirthinJulee------------------------------------------------76O,76l
 3.2 79.: 37.6 23.3 10.3 19.3 2.0 

45 Intracranialerd spinalin.,@rY----------------------------------76O
 1.4 .! 4.1 t 4.0 1.2

46 Otherbirth itiq---------------------------------------------76l 1.9 75.$ 35:; 20:; 6.2 15.3 0.’8


47 Fostnatelaqhyxla and atelectasis-------------------------------7623.2 82.f 55.1 T33.1
 10.9 26.0 1.4 48 Fneumotieof newbom------------------------------------.---------763
 1.1 .! .. ..1 2.7 4.2 0.9 49 Diarrheaof newbo=-----------------------------------------------764 ., ( 0 .. .. .. .,.
 50 Otherinfectionsof newborn.----------------------------------765-76S .. ( 0 0 0 0 51 Neonataldisordersarielngfrcsnmaternal.ttia--------.---------769 0.5 ., . . . . . 4.4 0:; 52 Eermlyticdiseaseof newborn(erythroblffitosis )-------------------770 0.5 ( .. . . 2.7 2.7 0.3 

53 Hemorrhagicdiseaseof newborn------------------------------------77l0.3 ( 0 .. .. .. 0.3


54 111-iefineddiseasespeculim to emly infancy,including


nutritional&tiJu8tient------------------------------.,----772,7730.9 54.: 35.6 si.7 .. 8.5 0.4
 55 Iunnaturity
 with mentionof w othersubsidiezycondition---------774: 0.2 .< .. .. 2.7 0
 56 Im&urity qutiified--------------------------------------------776
.6 565.: 287:i Ilz.o 15.7 87.6 O.*


57 u othkrcwoes-------------.-------------------------------Reaidti 3.8 .( 26.7 L5.6 10.3 13.1 3.0


%&em baredon tabulated.
 titalaakawmin tableIJ..

Vol. 45, No. 10 V?E16HT AT BIRTH BY GEOGR4PEIC DIVISION 207 

MD RACE:UNI~ STM23S ANDEWE OSCGSWSICDMSION, J~ASY 1 KJ Zi!RCS31, 1950—Continued 

1 p. w) = 

W21T6 NONWEITS 

Slrth weight (in gmms ) Ma Weight (in gmns) 

Totdl l,OCO 

or 1,oo1- 1,501. 

1,500 2,000 lem 

0.7 .. ,. 7.6 

0.2 .. .. .. 

0.4 32.4 14.e 5.4


0.2 14.e 6.0


4.9 354 :i 275.2 47.7


0.9 .. .. ..


19.0 6a8.9 601..C 246.4 

3.3 .,. 30.? 29.1 

14.7 670.9 565.7 209.4 

3.4 147.1 78.2 43.7 

1.2 .. 3J..2 

2.2 m:i 73.Z 32.5 

2.9 93.1 93.4 56.0 

0.6 0 .. .. 

0.1 0 c .. 

0 c 0


0:; .. .. “U-.2


0.8 .. .. ..


0.2 .. c ..


0.8 90.1 42. S .. 

0.2 0 

3.0 507.5 292: i 73X 

1.0 0 .. ;. 

19.3 805.3 539.7 218.8 

2.5 21.7 14.6 

15.3 792:; 53.2.e 200.3 

3.2 98.7 61.4 37a 

1.5 18.1 10.8 

1.7 90:; 43.: 27.0 

3.4 82.7 S?.f 47.8 

0.7 .. .. 9.2 

0.1 c .. 0 

c c 0 

0:1 40.C .. .. 

0.5 ,C .. .. 

0.3 .. c .. 

0.7 45.3 28.’? ..


0.2 ..


5.9 512:; 330.: 82:;


1.5 .. .. ..


21.4 838.4 564.7 243,.3 

2.6 2Q.2 

16.9 813:i 526 :; 216.8 

3.5 83.9 52.9 30.3 

1.4 0 ., 

2.1 65.9 50.C 24:; 

3.8 IJ.6.2 114.7 50.6 

0.9 .. .. .. 

.. 0 0 .. 

0 0 0 

0:; .. .. .. 

0.6 0 .. .. 

0.4 0 0 .. 

0.8 .. 32.4 ..


0.2 0


6.0 560:i 276 :; 104.0


1.9 o ., ..


l’ote.11
 z 5m 2,501 1,00Q 2,001- &r or 

2,500 lem more 

2.8 4.4 0.5


.. 1.0 0.1


.. 5.2 0.1


.. 3.0
 T4.6 74.0 o:i


3.1
 2.8 0.7


54.3 195.5 7.4


12.0 17.2 2.4 

39.1 174.3 4.3 

7.1 29.9 l.a 

.. 4.7 1.0 

25.2 0.8 

1::: 33.7 0.9 

3.6 4.5 0.4 

,. .. ..

T

..


.. 5:; 0:;


.. 3.8 0.6


.. .. 0.2


T 

.. 12.1 .. 

3.6 .. 

6:; 78.9 

3.2 4.0 0:; 

55,5 166.8 7.5 

8.7 10.7 1.9 

41.2 1s0.7 

8.7 23.4 ;:; 

4.6 7.0 1.1 

4.1 16.4 0.6 

16.7 29.5 1.3 

.. 3.8 0.4 

0 .. .. 

.. 0 

.. 4:i 

. . 0:; 

. . l:i 0.1 

2.4 7.6 ..


9.: 76:; 0:;


5.6 5.4 1.1


73.8 196.9 8.7


11.6 15.4 1.7


2,300 2,501 

or 1,oo1- 1,501- 2,001- or. or 

less 1,500 2,000 2,500 less mare 

.. 0 0 0 o 0 . . 1 

. . 0 . . . . . . . . . . 2 

. . . . 0 . . . . . . . . 3 

. .. 0 0 0 . . 0 4 

6.3 393.2 174 :; 38.9 .,. 50.5 5 

0.8 .. o 0 0 .. 0:; 6 

23.S 8C0.O 440.0 1S4.6 . . 160.9 8.3 7 

o .. o 0 8 

19:; 800.0 .. 169.2 . . 146 :; 5:i 9 

2.9	 .. 0 .. . . .. .. .0 

.. 0 0 .. . . .. .. 1 

.. .. 0 .. 0 .. .2 

4.3 .. .. 0 . . 31:i .. .3 

.. 0 0 .. . . .. .. .4 

.. 0 0 0 0 0 .. .3 

.. .. 0 0 0 .. 0 .6 

0 0 0 0 0 0 0 .7 

.. 0 0 0 0 0 .. .8 

.. 0 0 0 0 0 .. .9 

.. 0 0 .. 0 .. 0 !0 

.. .. 0 0 0 ?1 

7:; 533.3 .. .. . . 77;; 0 !2 

2.9 0 .. .. . . .. .. !3 

27.8 789.7 5ca.o 21.9.O 60.7 179.1 12.7 !4 

1.6 0 .. 0 5.9 5.1 1.2 :5 

22.2 766.4 486.6 22.0.9 44.4 163.5 8.1 !6 

3.1 46.7 40.1 13.6 5.9 13.2 2.2 !7 

1.5 .. .. .. .. 5.4 1.1 !8 

1.7 29.4 7.8 1.1 !9 

3.4 107 :; 4e.1 55:i 7 :i .22.6 1.6 ? 

1.9 o .. 15.0 5.4 S.4 L3 ;1 

.. 0 .. .. .. .. .. i2 

.. .. .. .. .. .. ;3 

0.5 .. .. .. .. 3:; .. a 

0.3 0 .. .. .. 6 

0.6 0 .. .. .. 3:i 0:4 !6 

2.3 .. 54.8 16.3 5.4 12.7 1.2 ;7 

0.2 .. 0 .. n 

9.4 546: i 523.5 lo6:i 15.1 94.8 0:+ s 

4.1 .. .. .. 10.5 10.5 3.3 ,0 

26.1 782.6 472.7 2U.9 36.4 153.1 14.5 ,1 

i.3 0 .. 0 1.1 :2 

57.4 175.0 5.5 16.5 728.3 412.1 173.1 54:i 123:; 7.0 :3 

15.4 23.6 1.9 2.6 .. .. .. .. 7.2 2.2 A 

6.0 5.3 1.1 1.2 .. 0 .. .. 1.3 s. 

9.4 20.5 0.8 1.3 ,. .. .. .. 5:; 1.0 :6 

16.3 37.9 1.4 1.7 .. .. .. .. .. 1.5 ,7 

.. 4.5 0.6 1.6 0 .. .. .. .,. 1.4 ,8 

.. .. .. 0 0 0 .. .. .. .9 

0 .;, .. 0 ‘o 0 0 0 .. iO 

. . 5.3 0:; .. .. 0 . . .. .. 11 

. . 3.9 0:1 .. 0 0 0 . . .. .. ;2 

. . .. 0.3 .. 0 0 0 . . .. .. i3 

.. 6.5 0.4 1.2 .. .. .. ,. 1.2.4 .. 14 

3.4 0 0 .. . . 0 15 

12.8 66.1 0.3 8:; 576.1 309.1 128:; 20.8 90:; 0.7 ,6 

6.9 6.5 1.5 8.2 .. .. .?S.B 16.3 25.3 6.5 17 
--

208 VITAL S1’ATISTICS4PECIAL REPORT8 

TABE312. NJ20NAI!AL MORTAK2’Ff RA!ESFOR s21.EO!lZD CAUSSS,BY BIR51WEIGR1’


(Seeheadmte


ALL RAm3 

Bi2tJ.I AFXA AXD CAUSEOF DEA’IH weight (in SIWZU3) 

mtall 1,000 2500 2501
 1,oo1- l,501- 2,001- := &r
 or


less 1,500 2,0C0 @o’J less more


1 WEST soum cmimAL---------------------------------------P.U causes 20.0 743.7 54s.1 230.2 62,O“ 174.s .9.5
 . —.. 

2 ;ongenit.al AfOmtiOns. -------------------------------.-----.-75O.7592,1 0 ls.1 16.2 9.6 Q.o 1.4


3 krtain diseasesof eerUyinfancY--------------------------p----76O-776
 15.7 729.6 520.9 205.0 45.7 156.0 5.3


4 Birthinjwles------------------------------------------------76O,76l 

5 Intracranialand spinal2mjw-—-------------------------------76O 1.6 10.s 4.3 5.7 1.3 

6 Otherbirth itiW----------------------------------------------76l1.3 42:; 34:: 13.5 2.4 9.5 0.7 

2.3 50.7 67.2 “29.7 10.6 .21.4 0.9 

2.9 45.1 KL.7 24.3 6.7 15.2 2.0


7 FDstnatd asphyxiaand atelectasia--------------------------------762,


e Fneumcmiaof nwbom-----.----------------------------------------7631.1 .. ... ,. 3.6 5.5 0.8


9 DiarrheaOf netiorn-----------7-----------------------------------764
 0.3 0 .. .. .. 2.3 0.1


10 Otherinfectionsof newborn-----------------------------------7&-7660.1 0 0 .. 0


U Neonat8J.
 disordersarisingfran maternaltoxemia------------------769 0.3 .. .. .. 3:; ::


12 ..---.--...--------770 0.5 0 .. .. 2:; 3.2 0.3 

13 Hemorrhagicdiseaseof newborn---------------—------------------77l 0.2 .. .. .. .. .. 0.1 

14 111-iefineddiseasesPcul.iw to earlyinfancy,includins 

nutritionaltidJustient------------------------------------77Z,7731.2 64.5 27.2 20.7 2.9 12,9 0.4 

15 Inmturity with mentionof any otheraubsidia’yccmdltion---------774 0.2 ... .. ., 0 2.8 

16 Immaturityqtilfied--------------------------------------------7766.4 512.7 342..2 94.4 1s.1 87.1 0:; 

17 U.1othercauses----------------------------------------------Residud2.2 .. .. 9.0 5.7 7.8 1.7 

la M~-------------------------------------------------- causes 23.7 9sl.3 566.8 S41.3 53.9 178.8 6.1 

19 20ngenitti 

Hemol@ic diseaseof newborn(erythroblastosis)


ti0mati0ns----------------------------------------75O-7592.6 0 23.6 5.1 10.4 1.7 

20 :ertaindiseasesof earlyinfEmcY-------------------------------7SO-776
 19,2 S21..3 556:; 206.6 40.0 162.5 4,9

21 Birthi@wles------------------------------------------------7SO,76l
 4,7 202.2 12S.6 32.9 8.1 33.6 1.9


22 Intracranial and spine-l
in,lury---------—----------------------76o2.1 21.9 .: Ill 1.1


23 Otherbirth injW--------------;
-------------------------------76l	2.6 162:; 105:; 22.5 0.7


24 Fmtnatal asphvia and atelectac.ls--------------------------------762
 4.0 2.3.2.4 69..1 53:; Il:i 30.9 1.3


25 pneumoniaof newbom----------------------------------------------763
 0.8 0 .. .. .. 3.9 0.5


26 Diarrheaof mwborn-------.--------------...--..------------.-----764,, 0 0 .. .. ..


27 other infectionsOf newborn---------.
 -;.. -.-.-.-----. ....-.765-76S .. 0 0 :: 0 .. ...


28 Neonataldisordersarisingilxim maternaltoxemia.
--.--------------769 0.5 .. .. .. 4.6


29 Eeiaolytic diseaseof newbo?zi (erythrqblaat@sis
 )-.---..-.----------770 0.8 .: .. .. 4:i 4.2 0:;


30 Hemorrhagicdi8e8aeof newborn---------------------~--------------77l.. 0 0 .. .. ..


31 Ill-defined di6ea6eap.ecfi= ta ealy itiancy,
including


nutritiormlmalad.jus*nt----------------------------------772, 1.1 .. .. 20.1 .. 5.8 ., 

32 Wm8turity withmentionof any other eu%eidiary,cOnditiOn---------774 0.3 3.3 0 

33 ~aturity qtiified--------------------------T--------------776 6.5 522:; 27$:; 75:6 7:i 70.7 

34 KU othercuses-.------------------...---..-------------------ResidA1.9 0 0 .. 5.7 5.9 .l:i 

773


35 PAC1771C---- --.-.------.. -..-------------—--..-----.
 ---U1 causes 19.0 915.2 612.5 SILO 49.5 182.8 5.s


36 Congenital
ti0mtl0ns----------------------------------------75O-759 2;4 14.9 10.2 11,2 1.7


37 Certaindiseasesof early in2ancy-----------------. -.----. -----7S0-776 .?-3.7 899:; 5s9:6 190.9 37.3 1613.
 O


38 BirthInjuries -----------—
 ---------------------------------760,761 3.3 167.1 74.4 ,33.0 7.0 28.2 ::$


39 Intracranial and spinal. in.lurY----------------------------------76O
 -1.2 .. 10.5 4.0 5.8 0.6


40 Other birth itiq---------------------------------------------76l 2.1 156.8 685 

41 postnatala@Yxia and atelectasls--------,-----------------------’f62 4.7 162.0 164.4 79.7 16.6 51,6 1.0 

42 Pneumoniaof newbom-------------------------------.------------763 0.7 0 19.s 10.5 .. 4.5 0.4 

43 Di-hea of newbom------------------------------------------..-764 .. 0 .. 0 0 .. .. 

44 Otierinfectionsof newboxn----------------------------------765-766 .. 0 .. 0 

45 NeonataldisoniersCAS1D6 frommaternaltaxemla------------------769 0.4 ,. Sl:i :: :: 4.6 

4Z Hemol@.icdiseaseof newborn(erythroblastosis) 

:. 24.5 3,0 22.4 0.5


-------------------770 0.6 .. 0 .. .. 2.0 .0:6


47 Eemorrha6icdiseaseOf newborn-----. ------. -------------.
-------77l 0.1 .. .. 0 .. .. ,. 

48 Ill-defineddiseasespeculiarto e=ly infancy,including 

nutritionalm.9J.adJuArent---------------------------------772, 0.6 33.4 46.0 6.1 .. 

49 Immaturitywith mentionof any other subsidiarycondition--------774 0.3 9:; :: 4.0 0 

50 ImmaturityqAXled--------------------------------------------776 4.8 5C6:i 242:i 42.0 3,7 63.3 .. 

51 &I..I 

773 

other c-es-------------------.-.----------------------W6idA 0.9 .. .. .. .. ,3.6 0,7
 —


%atea based on tabulatedtotalsshcwnin tableII.

Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DFJJBION 209 

AND FAX: UNITEOW!A= MD ?2.42S GECGRAPKCCDIVISIOi4,
 JAKTMRY1 !M MAWS 51.,1950-Continued


on p. 204) 

mm NONWH1933 “ 

21rth weight (in grams) Bfrthweight (ingrsms) 

1,000 

1:s 

1,001. 1,501- 2,001. 2,500 2,501 Totall 1,000 1,001. 1,501- 2,00L 2,500 2,501 

or or or 1,500. 2,0C0 2,500 1% Llore 1,500 2,000 2,500 1:s more 

18.8 783.( 549.6 238.4 62. i 178.5 7.7 24.8 662.4 543.: 213.f 59.9 164.2 11.6 1 -

2.4 I 21.C 12.C 13.7 1.6 0.9 c ., 0.7 2 14.6 751.! 520:; 209.2 45.f 158.8 4.7 19.9 658.8 521.i 194:1 ,+5:; 147:: 7.e .3 2.7 44.4 35.7 30.9 7.4 16..3 1.8 3.8 .. .. ., .. u.: 3.1 4 1.s ., 12.4 5.: 6.1 1.1 2.1 0 .. ., .. 1.9 5 

59.: S7.S 54,7 10.? 22.7 0.8 2..4 .. .. ., II:; 17.: 1.1 7 ::: ., .. .. .. 4.4 0.7 1.8 .. c .< .. 8.f 1.2 8 0.2 ( .. .. .. .. .. 0.7 0 .. . .. ., .. 9 ( 0 .. c .. .. .. 0 c .< 0 .. .. 10 0:: ., .. .. .. 3.3 .. .. .. .. . . .. 0 El 0.6 ( .. .. .. 3.5 0:1 .. 0 .. ( . . .. .. 12 0.2 .. .. .. .. .. .. .. 0 c c . . .. .. 13 

1.0 81..: .. 14.9 3.9 U..8 0.3 2.1 .. .. 36.2 0 16.3 0.8 14 0.2 .4 c 2.4 .. .. 0 0 15 8.1 .537. c 348:i 96:; 15.5 90.6 7:; 433.3 318:i 68:; 14.0 771i 0.7 16 1.7 .. .. .. 5.2 5.9 ::: 4.0 .. .. .. 11.2 13.2 3.1 17 

23.0 918.1 564.1 232.4 51.6 176.7 7.7 33.1 .. .. 371.4 85.9 213.1 14.9 18 

2.7 c 23.4 .8.6 10.7 1.8 0 0 o 19 

1.2 40.7 36:; 18.6 .. 10.5 0.6 1.7 .. .. c 6:; 1.2 6 

18.8 918.1 335:; 2C0..2 38.1 161.1 4.7 26:; .. .. 283;; . . N35:i 8:i 20 4.8 193.C 136.8 %2 8.1 33.9 1.9 .. .. 0 .. . . . . .. 21 2.0 23.4 .. 10.7 1.2 .. .. 0 c 0 .. .. 22 2.7 

4.0 

169:i 

105.: 

u:i 

81.2 52:+ Io:i 

23.2 

28.4 

0.8 

1.4 5:; 

0 

., 

0 

.. 

.. 

.. 

. . 

. . 54:; 0 

0 

23 

24 0,7 c .. .. . . 4.2 0.3 .. ‘7 0 c 0 o .. 25 .. c 0 .. . . .. .. .. o 0 c 0 0 .. 26 c 0 0 0 0 .. .. 0 0 .. 0 . . .. 27 0:: .. .. .. 0 4.5 .. 0 0 c . . . . .. 28 0.9 c .. ,. 5.1 4.5 0:4 0 0 0 o 0 0 0 29 .. .. 0 0 .. .. .. 0 0 0 0 0 0 0 a 

0.9 .. .. .. .. 8.o .. .. 0 0 .. . . .. 31 0.3 3.5 0 0 0 0 0 : 0 0 32 6.4 532:; 269:; 76:; 5:; 70.7 7.2 .. .. .- . . 71.0 0 33 1.6 c o .. 5.1 4.8 1:; 7.8 0 0 .. . . .. 6.2 54 

18.s 919.5 610.0 213.6 51.1 1s3.9 5.7 23.S 878.o 634.6 185.7 33.6 173.0 7.0 35 

2.4 15.3 10.4 11.5 1.7 2.6 0 1.9 36 13.4 eoz:i 5*:; 194.4 36.5 168.5 19.2 878.0 596:; 3.53:i 25:i 158:; 3.5 37 18S.8 80.6 %.4 7.1 30.2 R 2.3 0 .. .. .. .. .. 38 H IL.5 3.8 5.8 0.7 1.7 0 .. 0 .. .. ... 39 2.3 L75:; 76:; 24.9 24.4 0 0 .. 0 .. 40 4.5 149.4 143.8 81..4 M3:: 49.9 R 7:; 268.3 346.2 .. .. 67:; .. 41 0.6 0 23..8 9.6 .. 4.4 0.3 .0 0 0 .. .. ., .- 42 .. 0 .. 0 0 .. .. 0 0 0 0 0 0 0 &3 0 0 .. .. 0 .. 0 .. 0 0 .. 0 44 O:i .. 24.0 .. .. 4:4 .. .. 0 0 0 .. 0 i5 0.7 .. 0 .. .. 2.2 o:; 0 0 0 0 0 0 0 46 .. .. .. 0 .. .. .. .. 0 0 0 .. .. 0 47 

0.7 2S.7 50.1 .. S.4 .. .. .. 0 0 0 .. 0 48 0.3 10:; 4.4 0 0 0 0 0 0 49 4.6 sffi:i 246:; 41.2 3X’ 62.9 6.8 512.: 2LG .. .. 67.5 0 50 0.9 . . .. .. .. 3.5 0:6 1.9 0 .. .. 0 .. .. 51 - -
-------------

------------------------

-----

-----

-------------------------------

-----

--

-----

--

-----

--

-----

-----

--

----------

-----

-----

-----

--

----------------------------

-----

-----

------------

-----

-----------

-----

--

-----

--

210 VITAL STATISTICS+PECIAL REPORTS 

‘J!ABLE 13. U/E B120XS BY BIRIE k’KtGHT,R4CE, AND ATDNMNT, FOR W AXTIRURAL ARSM IN MEPROPOWMi .4NDNONM6TROPOLIW COUNTIES: 0NI!P121
S3?AT&3,


JANUARY 1 233NARCE 31, 1950


(By place of residence. Birth weights not stated are dtstributel. EKCIUdeS data for MWSdIMettS )


AREAmDR4m 

ALL CGUN22ES 

T#Jjti--­

ifOnwtdte--


Urbm


Wbf.te


Nonvhite--


ZiurEJ-------------------------


UhLte


Nonwhite-­


tktrwdltau
 counties-----------­
 ~’&----


Norkrdte--


Urbm


W?lite


Nmwhite


Ru?KL-------------------------------­
 ~t~-----


Nonwhtte--


iWmetmp02itar. cOuntieO---------


White


Non’aMte


Urbm------------. --.—-------------­


lWte


NOnwblte


F4ual--------------------------------


White


NonwM.te-­


~ti---

Yonnh.lte--

Urban---------------------------


Wbite


NOnwMte


Places of S30,0C0 or mm------------


Wblte-----


Nonnbite--


Placea of 50,CC0 to 250,000


White


Nonwhite--


P1.acea of 10,000 to 50,OW----------­


hMte


NOnwhite--


Places of 2,500 w 10,CCO- ---------­


u?Ltte


NOmhite


Ruml
 ~ti----.


NOnwbite--


62atmp9Mt-m c0untie.9----------


Wb.lte


NOnwbite­
 -


Urban---------------------------­


!4hlte


NOnnbite--


P1.e.ces
of 2S0,000 or mr-e


1631te


NOnuhite-.


Places of 50,CC0 to S30,C@----------
 ~i,&--

NOnublte--


P1.e.ces
of 10,WO to 50,000


Whtte


NOnwb.tte


P3.acesof 2,50Q to 10,WO------------


Wtte


mmMte


WM te-----

Nmvblte-. 

— 

II BImS WBIGST (IN G-) 

Jbte.1 1,000 1,001- 1,501- 2,col- 2,501- 3,001- 3,501- 4,001 - 4,501 2,500 2,501 

Or 1,500 2,000 2,500 3,000 3,503 4,000 4,500 ;=e 0= lean less &e

m14L BIH?B6 

37,7’66 ==!== 17,153 3,189 4,079 9,206 33,460 26,906 273,285 198,369 55,753 12,866 49,934 667,199 

20,653 739 1,002 2,162 7,780 24,902 42)344 29,350 8,753 4,599 M.,703 108,950 

33,051 2,591 3,107 7,055 25,790 96,584 192,273 U6.472 32.492 6,707 38,523 454,528 

25,433 2,053 2,465 5,637 20,795 79,982 167,131 U2;643 29;lu 5,455 30,930 394;303 

57,598 338 642 1,398 4,995 16,602 23,142 15,629 3,360 1,272 7,573 60,025 

44,733 1>337 1,974 4,353 15,450 55,224 123,556 LOO,267 32,016 10,758 23,3.14 321,621 

,665 46,924 106,3.54 s5,346 26;641 7,431 16,984 272,696 

3,928 5,0!31 Ll,386 41,240 51,800 315,629 17,465 61.637 776,149


02,752 400 42I3 1,004 3,701 14,571 31,600 23,1_U. 6,503 1,434 5,533 77,219 m7,666 49 70 137 447 1,579 2,892 1,744 326 212 7U 6,955

91,660 

90,016 1,496 2,350 5,099 18,126 63>792 140,482 L.7.2, 

29,039 1,267 1,919 4,199 14>840 54,122 120,93.2 95,051 28,980 7,750 22,225 

60,977 1 229 431 900 3,286 9,670 12,571 17,046 6,069 3,755 4,2.46 

35,699 6C@ 8s2 1,887 6,824 24,716 51,618 36>665 10,084 2,393 10,201 

20,3Jl 531 733 1,654 5,876 21,769 46,357 32,616 6,842 1,753 a,774 

Mi,5s8 948 2,949 5,261 4,C69 1,242 640 1,427 

54,317 LI,302 39,074 ~, 864 75,412 24,985 9,312 16,870 

08,928 8,964 32,353 74,554 62,433 20,1m 5,997 M, 451 195;477 

1,136 1,614 3,369 I.S 

53,055 201 360 7s4 2,785 6,300 17,202 14,7sl 5,375 3,327 4,130 48,925 

47,770 2,432 2,731 6,289 23,L3.4 66,016 173,147 LL4.642 29,439 5,960 34,366 43.3,204 

m, 094 1,922 2,160 5,C07 lS,620 72,784 3.32,374 103;336 26,773 5,D6 27,709 360.365 

59,676 510 571 1,282 4,494 15,232 22,773 U, 304 2,666 W4 6,837 52;619 

57,352 1,983 2,225 5,148 L6,966 71,666 140,633 89,,767 22,408 4,33.4 28,322 329,030 

03,342 1,522 1,732 4>033 14,919 58>2L3 120,774 80.227 20,270 3,682 22,176 263>166 

52,010 461 493 1,145 4,047 15,653 16,881 9;560 2,13S 632 6,146 45,864 

90,410 449 5C6 1,141 4,148 16,350 34,492 24,855 7,031 1,646 6,244 64;174 

097 33,069 u, 505 27,071 

45>389 m 2,330 6,721 14,310 12,977 4,847 3,3X 3,419	 41,970 

—. 

BIRDL9 MTENIED BY P3YsICIMiIN ECSLTl!AL 

25,226 3>464 4,355 I 10,007 36,236 .36,481 60.371 .62s607 51,437 10,036 54,094 671,132


~
 58,295 2,921 8,524 30,990 19,196 .60,548 48,746 9>379 46,133 612,162


66,931 573 657 ; 1,463 5,248 17,263 12,259 2,691 657 7,961 513>970


S3,569 2,415 2,861 6,6U 24,237 91,899 18,140 29,567 5,294 36,124 421,445 

LL,757 1,946 2,% 5,441 20,106 77,933 .0s,960 27,704 ‘i, 866 29,!339 381,63.S 

51,612 469 517 1,170 4,.7.s9 1.5,9S6 9,180 1,sa3 428 6,2S5 45,527 

78,489 1,C5s 1>314 2,761 9,890 37,625 42,977 10,43.5 1,S76 14>823 163.666 

48,230 753 826 2,059 7,423 26,214 37,899 9,377 1,642 3L,061 137;1s9 

30,259 305 286 702 2,467 B,4U 5,078 1,036 234 3,762 26,497 

99,071 5C-9 621 i,4co 5,139 19,353 25,387 6,307 1,126 7,668 91,403 

a7,a37 415 49.9 1,133 4,261 16,619 23,336 5,895 1,028 6>327 81,510 

x, 234 93 123 267 83a 2,654 2,051 412 96 1,342 9;693 

16,702 555 712 1,562 5,779 22,034 30,879 7,795 1,433 8,606 106,094 

09,537 501 643 1,423 5,205 20,230 29,471 7,491 1,359 7,775 101,762 

7,163 54 66 3,59 574 1,804 1,40Q 304 74 633 6;332 

69,307 294 414 S& 3,429 12,687 18,897 3,070 859 5,025 64,282 

66,X3 277 374 626 3,199 33.,870 16,254 4,941 237 4,676 61,477 

3,I-54 17 40 62 230 817 643 129 22 549 2.805 

61,657 1,079 1,494 3,396 I.s,ool 44,5S2 74,667 23.>650 4,742 17,970 243;667 

46,338 975 1,334 3,oa3 10,s92 41,265 71,58S 21,042 4,5X5 16,294 230,244 

15,u9 104 140 313 1,33.9 3,317 3,079 806 229 1,676 33,443 

25,697 2,277 2,539 5,967 Sl,940 34,365 L06,616 27,366 5,021 32,723 392,974 

76,670 1,622 2,060 4,860 16,051 71,133 LO0,061 25,607 4,630 26,793 549,877 

49,027 465 479 1,107 3,689 13,252 6,53S 1,739 391 5,930 43,097 

!43,5L5 1,571 2,094 4,923 16,154 69,381 66,160 21,242 3,797 27,042 

:99,029 1,456 1,662 3,901 14,590 57,237 78,468 IS!> 677 3,446 21,609 

44,424 4L5 432 1,022 3,564 12,144 7>692 1,565 351 5,433 

.76,469 1,03’6 1,U4 2,761 9,890 37,625 42,977 10,4).5 1,876 14,823 

,4.3,230 626 2,039 7,423 29,214 37,699 9,377 1,642 3J.,061 

30,239 305 2s6 703 2,467 6,431 5,076 1,038 234 3,762 

99,071 5ca 621. 1,40C 5,159 19,553 23,387 6,307 1,X26 7,668 

67,037 415 498 1,133 4,281 16,619 23,536 5,895 1,02s 6,327 .31;510 

U.,234 93 LS3 267 658 2,934 2,051 412 98 1,341 9,693 

44,512 214 254 519 2,101 8,266 ls,010 3,009 561 3,268 43.,444 

42,164 201 220 462 1,910 7,664 Z-1, 575 2,92C 543 2,83.3 36.551 

2,346 13 14 37 191 624 433 89 18 255 2;093 

sl,4-41 91 1s5 243 1,024 3,913 5,806 1,53-I 234 1,46-? 3.3,956 

20,79s 67 3J.6 227 976 3,740 5,678 1,4= 233 1,4W 13,390 

643 4 7 16 48 175 126 26 1 75 566 

62,3.24 4C6 445 1,044 3,766 15;co4 2’2,436 6,124 1;224 5,662 76,503 

77,641 566 396 95$ 3,461 13,696 sl,593 5,93C 1,164 5,3.64 72,457 

4,343 40 47 & 3s5 1,108 343 164 40 497 4,046

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vol. 45, No. 10 WEIGHT AT BIRTH ‘BY GEOGRAPHIC DW1210N 211 

Th37.E3.3. IJVE 323TES BY 81~ W21GBT, PAcB, MP AT2EWMT, FOR UR3AN ANO RGRAL AiTZASIN M2TRUFOLIZ4N AND N02CMXROFQ12TAN CO~ : UNTT3D SM5, 

JANUAFX 1 TO MARCH 31, 1950-03ntinud 

(By place of residence. Birth weight6 not @Yce4 are distrlZmte6. Fxclude8 &.ta for Massadnmetts ) 

B130JIWEZG~ (IN GRAMS)


m.mm ‘mtal I l,COO 4,501 2,500 2,501 

Or 1,001- 1,501- 2,CQ1. 2,501- 3,001 - 3,501- 4,001-

0= less 1,500 2,000 2,5W 5,000 3,5CQ 4,0C0 4,500 := less m.&


BIRFSS MlTND!@ BY PHYSIC14N IN HC6PITAL-&mtinue6 

iionmetmpditan c0untLe6------- !99,529 1,217 1,816 4,040 14,298 52,096 12,785 84,1el 24,071 5,Ols 21,371 278,13e 

Nbite !81,623 1,099 1,636 3,664 ls,939 4a,065 .03,865 80,467 23,159 4,749 1s,340 262,223 

Nonwhite 17,904 216 17s 376 1,359 4,031 6,920 3,724 932 266 2>031 E, e73 

.20,056 544 767 1,6@@ 6,C83 22,516 46,654 31,960 S,343 1,497 9,082 U0,974 

12,726 490 6S2 1,540 5,518 20,696 43,8s3 30,472 S,027 1,420 6,230 w, 4se 

NOnwhite 7,326 54 83 148 565 1,622 2,771 1,488 31s 77 632 e,476 

Places of 10,000 to 50,000 72,190 341 47s 1,043 3,678 15,746 28,377 1S,869 4,786 872 5,540 66,650 

WMte 67,373 300 426 941 3,295 12,566 26,562 17,896 4,571 816 4>962 62,41.3. 

Nol.White -- 4,817 41 52 102 383 1,180 1,8X5 973 22.3 56 578 4,239 

P1.ecee of 2,500 h 10,000------------ 47,866 203 2s9 645 2,405 8,772 18,277 1.3,091 3>559 623 3,542 44,324 

Uhite 43,355 190 236 399 2,223 8,L30 17,321 12,576 3,436 604 3,26e 42,087 

xonwhite 2,3U 13 46 182 642 956 513 103 21 274 2,237 

Fmral ---------------------------- .79,473 673 1,G 2,332 8,213 29,578 66,131 32,231 13,726 3,518 12,2e9 167,184 

White .68,897 609 956 2,124 7,42.I 27,369 61,982 49,985 15,212 3,329 I.l,llo L37,7e7 

2i0nwhlte -- 10,576 64 93 228 794 2,209 4,149 2,236 614 3.89 1,179 9,397 

BIFO!HS ~20 BY FEYS2CIAN NOI IN H05PITAL 

m cobmm2------------- 65,406 314 47s 807 2,940 9,663 22,032 I 19,041 6,904 3:... 60,S69 

Nhite 47,646 226 291 332 1,934 6,3e3 1.3, e19 14,426 5>576 2,559 2,9e3 44> e63 

Nonuhite-- 17,560 ee le5 273 1>006 3>2s0 6,133 4,63.3 1,326 650 1>334 16,006 

Urban------------------------ 17,784 2.39 173 263 1,002 3,196 6,369 4,360 1>4e6 604 1,579 16,2.7.5 ~t&__ 10,194 90 94 143 495 1,629 3,642 2,7s1 95s 360 824 9,370 

Nonwhite-- 7,600 49 el us 507 1,567 2,727 1,779 528 244 753 6,e45 

R.lmll------------------------ 47,612 175 301 544 1,93s 6,467 13,6e3 14,4.21 5 ,41e 2,603 2,S5S 44,654 

hizite 37,652 136 197 3e7 1,439 4,754 12,277 13.,643 4,61e 2,199 2,159 35,493 

Nonwhite-- 9,960 39 104 3s7 499 1,73.3 3,406 2,e36 Soo 406 799 9,161 

Metrqdltan muntie6------------ 14,8e3 127 2.60 233 e63 2,667 5,301 3,802 1,224 506 l,3e3 13>300 

White e,949 24 S9 125 439 1,370 3,168 2.486 S30 35e 737 .s,23.2 

hbnwhite-- 3,934 43 71 loe 424 1,297 2,133 1;316 374 168 646 5, zee 

9,324 94 13.o 163 614 I,e73 5,35a 2,193 644 273 9.91 e,343 

Wite 4,49e 55 61 83 242 774 1,631 1,353 357 140 441 4>037 

2?onwhlte 4,826 39 49 so 372 1>101 1,727 1,03s 7s7 3.33 540 4,2S6 

5,5se 33 50 70 249 792 1,943 1,609 .580 233 402 S,ls? 

Wite 4,451 

NOmhlte 1,102 

29 

4 

2e 

22 

42 

ze 

197 

52 

596 

196 

1,337 

406 

1,331 

27S 

493 

e7 

19e 

55 

296 

106 

4,1.35 

1,002 

NonmetmpUtan cmmties 50,523 1s7 316 574 2,077 6,996’ 16,751 15,s39 s,6eo 2,705 3,l’= 47,369 

WMte 38,897 142 202 407 1,495 5,033 ls,751 U, 940 4,726 Z,zzl 2,246 36,651 

iWrJ3ite-- IL,626 45 3.14 167 5e2 l,es3 4,coo 3>299 954 4e2 908 10,71e 

e,470 43 65 100 3ee 1,321 3,Oz.1 2,367 842 331 59e 7,e72 

k%fte 5,696 35 33 62 253 855 2,011 1,626 601 220 3e3 5,31..3 

Nonwhite z,774 10 32 3e 135 466 1,coo 741 241 Ill 21.3 2,339 

lbual-------------------------------- 42>053 142 251 474 1,689 5,675 13,740 12,e72 4,e3s 2,372 2,556 39,497 

Wbite 33,201 107 2.39 343 1,242 4,158 10>740 10,314 4,lzs 2>001 1,863 31,33e 

Nonwbite-- e,s32 35 ez 129 447 1,317 3,000 2,55e 713 371 693 e,M9 

.—


BIFtTRS AZFEND331BY N1217ES, OTHER, AND NOT SFECIFIEO 

AIL coomIFs 47,134 120 250 574 2,032 5,664 23,206 14,S91 6,167 =1== 44.14s 

Wbite 10,9S2 42 90 250 536 1,325 3,075 3,415 1,431 928 S18 10,174 

NOnwhite-- 36,162 7e 160 424 1>526 +

4,339 10,131 11,476 4,736 3,292 2,1.68 33,974 

Urban 21,668 37 71 161 551 L 4e9 3,379 3,772 1,419 eo9 ezo 10,efis 

7hite 3,502 17 27 51 192 420 1,034 1,102 430 209 2e7 3,215 

Nonwhite— e,ls6 20 44 2J.O 359 1,059 -2,345 2,670 96S 600 533 7,633 

Ford------------------------ 33,466 e3 179 41.3 1,311 4,175 9,e27 u, U9 4,746 3,411 2,1S6 33,2’30 

7Wite 7,490 23 63 99 344 905 2,041 2,313 981 719 531 e,959 

Nonwhite --’ 27,976 5s 2J.6 514 1,167 3,270 7,7S6 S,8CK 3,767 2,692 1,655 26,321 

Metmp033tan munties ------------ 7,190 2e 32 e9 311 964 2,260 2,224 649 433 I 4eo 6,730 

White 2,475 16 u 22 3-30 zel 7eo 771 316 148 179 2,296 

Nonwhite 4,73.3 12 21 67 El 6S3 1,480 1,453 533 2s3 2e~ 4,434 

Urbmn 4,33.5 3.8 21 62 Me 610 1,426 1>414 522 244 299 4,216 ~&__- L e~ I.1 9 U e7 202 571 534 236 96 126 1,6s9 

!iomhite-- 2,7C0 7 12 43 .7.11 408 655 e30 2e6 148 173 2,327 

mlxd 

lhlte-——— 

2,675 

660 

10 

5 

U 

2 

27 

3 

3.2.3 

43 

354 

79 

S34 

20s 

810 

1s7 

327 

eo 

1s9 

52 I 161 

53 

2,52.4 

607 

NOnwbite -- 2,015 5 9 24 70 275 623 623 247 137 ] 108 1,907 
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212 VITAL STATISTTCS-SPECIAL REPORTS 

TA2L2 u. IiIvs SImss BY 61FXS ~GE2, m, m AmmoANT> PORVPIANAHDiWSALAFEPSIN 1.EIROPQIU!AN ANDIT~ UTA31Couu!Lzx: UNI’lzoSMT3S, JMUARX 1 TO ki4SCE31,lS50-Continued


I II SImz 16mczz (m GzAk5) 

Am4bno Mos Ibtal 1,6C0 L wi- 1,501- 2,C01-” 2,501- 3,001- 3k501- 4,2Ql- +,501. 2,500 2,5Gi 

I% 1,503 2,W0 2,50Q 3>COQ 3,5CQ 4,m 4,5s0 :~’ 1:s Z& 

B1211?z 4mSNDSD SY MCWIPE, G!C3ZS, A7UI Nti SPECIFISIJ-Cmtinod I

­

!b~etaupelitan 

White 8,517 26 79 .7.S6 4q 1*U5 780 639 7,878 

Soowhlte-- 31,447 66 1.Z9 357 1,345 10;023 4,203 3,007 S,907 29,540 

urban 7,173 ls 50 99 353 2,358 897 565 5sl 6,632 

7ihlte 1,687 6 la 32 105 51a z14 161 1,57,6 

IkwnM*e-- 5,466 I.z 32 67 24s 1,s40 663 432 360 5,is6 

W--------------------------------32,791 ’73 2.s8 366 1,398 10,309 4,4zl 3,222 2,025 30,766 HMte 6,630 20 96 301 2,126 ,901 667 478 6,552 53 lG 

countiea 39,964 92 Sla 4s5 1,751 12,667 5,31a 3,761 2,3+6 37,418 

269mhite-- 25,961 J._ 260 1,097 e,ls3 3,520 2,555 1,547 24,414 

2,644 

Ro16. -Wr de-tiom of amm, see alemtay E*s. 

4 7MzIE14. PES&24TAGS DISTRISWIOY~LL’vX
BIFE2SSYMRli314XH,76%SACEAND AlmNDANT,m m AND 2UFW AREASINMK&oPoLITAiAND KlillSmoPowiYIN


COUNT13X4: UNU!!SD
 SWT6S, JANUARY1 TO MARCHZl,19S0


(5Yplaceof residence.Mrth weiahtsnot statedare distributed.&cl.deB d$ta‘forMassachusetts)


II mm kEIG3T(174mwz)


AF23AANORA2E rota 1,000 1,001. 1,5017 2,001- 2,501- 3,001- 3,501- 4,001.. 4,501 2,5CQ 2,501 

Or 1,500 2,24)0 2,5’2-3 3,0C0 3,500 4,CW 4,500 my: ‘m o-r 

lees less mm 

TvrAL : 

I 

ALL Com’ims------------- lGO.O 0.5 0.6 1.4 27.1 7.7 z.1 7.4 SS.6 =!=2 37.7 

mite 10Q.O 

2ionvhite-- 100.0 

0.4 

0.6 0.6 

0.6 

1.3 

1.8 4.7 

6.4 

17.7 

20.6 

al 

35.1 27.7 

23.5 

7.s 

7.3 1.6 

3.6 

7.0 

9.7 

93.0 

90.3 

Urban------------------= 100.0 0.5 0.6 1.4 5.2 19.6 39.0 2S.7 6.6 1.4 7.8 6s.2 

h%lte 10%0 0.5 0.6 1.3 4.9 16.6 39.3 26.5 6.8 1.3 7.3 92.7 

Nonwhite 100.0 0..9 0.9 2,1 7.4 24.6 37.2 20.2 5.0 1.9 11.2 85.8 

Wa—---------..-.----.--.- 100.0 0.4 0.6 1.3 4.5 IA.o 33.6 29.1 9.3 3.1 6.7 93.3 

lhit.e 100.0 0.4 0.6 1.2 4,3 16;1 36.4 29.3 2.5 5,.5 93.5 

6.3 7.8 

M?tr0p012tsn counties 100.0

!aMte 10Q.O 

0.5 

0.5 0.6 1.4 

1.3 5.2 

4.8 

19.7 

16.8 39.1 39.3 

S5.6 

26.6 

6.6 

6.9 1.3 

1.3 

7.7 

?.1 

92.3 

92.9 

lTOrlwhite lW.O 0.9 Yo 2.1 7.5 2s.5 36.2 16.9 4.5 1.4 U.5 68.5 

Urban lW.O 0.6 0.6 1.4 5.3 20.1 39.4 25.1 6.3 1.2 7.9 6s.1 

uhite lCQ.O 0.5 0.6 1.3 4.9 19.1 39.6 26.3 6.6 1.2 7.3 9?.7 

*mlhit.e.- 10Z.O 0.9 0.9 2.2 7.6 26.3 16.4 4.1 1.2 IJ...a aa.2 

RUral 100.0 0.5 0.6 1.3 4.6 17.9 ‘% 27.5 7.8 1.8 6.9 93.1 

Wllite----- lW.O 0.5 0.5 1.2 4.5 17..6 28.2 -7.9 7:9 1.7 6.7 ,93.3 

Nonwhite lW. o 0.6 1.0 1.8 3.6 20,.6 37.7 22.7 6’;9 2.6 9.3 90.7 

Nonuhite 100.0 0.4 0.7 1.3 5.2 15.6 32.4 27.7 lH T 92.2 

WnU@UPolit8n counties 100.0 0.4 0.6 1.3 L

4.6” 16.4 3s.0 26.7 9.0 2.9 6.9 93.1


~*__. 106.0 0.4 0.6 1.3 4.5 16.4 3s.7 28.9 8.8 2.4 6.6 93.2


Noqhite 10%0 0.4 0.7 1.5 5.4 15.9 2860 10.0 6.2 7.9 63.1


~m---.- -,, -
 1S0.0 0.4 0.6 1.4 5.0 L2.2 z:: 27.0 7.4 I.a 7.5 S%5


wlite 100.0 0.4 0.6 1.4 4.9 16,1 za.a 27.2 7.4 1.5 7.3 62.7


RQliwhite- 100.0 0.5 1.0 1.6 6.1 16’.9 33 a 26.1 8,0 4.1 9.2 90.8


Fw’e.l 100.0 0.3 0.6 1.3 4.4 3.5.4 *:a 29.7 9.6 3.6 6.6 93.4


wwt.e----- 10!LO 0.4 0.6 1.2 4.3 3.3.5 55.7 29.9 9;6 2.9 6.4 93.6


2f0nwhi+=.- lGG.O 0.3 0.6 1.4 5.2 14.a 31.5 20.6 10.7 1a.9
 .7.5 —. ass 

-

u couzmsa----------= 0.6 16.8 3s.7 1.4 

74Mt.e 0.4 1.3 4.7 la.1 35.6 27.4 1.4 7.’0. 93.0 

nOma.Lite.- 0.9 PO 2.2 7.e 25a 39.0 ls.3 1.0 u.a I S&l 

Urti-. -.. --. ---. -. ..-..-: - 0.5 0.6 1.4 5.2 19.a 39.4 25.5 1.1 7.e 92.2 

nhite 0.5 o.a 1,3 4.9 u3.a 39.5 2a.5 1.2 az.a 

mnwhite-- 0.9 1.0 a.o 27.0 38.7 17.7 4:: a7.9” 

Tlncesof 250,C03or mre---:------ 0.6 o.a ::: 5.5 21.1 39.7 24.1 ;:! a.3


n41ite 0.5 0.6 .1.4 5.0 19.7 39a 25;a 1.1 7.5 z:;


!buhite- 1.0 1.0 2.3 a.,z 27.6 za.a 16.a 0.8 12.4 87a


P18cesof 50,02026250,GCO---------- 0.5 0.6 1.4 5.2 19.7 39.4 ,25.6 1.1 7.7 62.3 

wlita 0.5 1.3 4.9 ls.9 39.4 26.6 1.2 9z,a 

R051taite-- o.a Y1 ad 7.6 26.1 39.1 18.3 0.9 z.:: sail 

P18cesof10,COOta50,OGG---------~ 0.5 0.6 1.3 5.0 1.6.9 39.4 26i5 1.2 7;4 92,6’ 

wliti 0.5 o.a 1.3 4.8 .g&5. 39.4 .26.9 1.2 7.1 SS.9 

nolnlbite o.a 0.9 1.9 a.o Z5.2 36.3 g:; I 1.0 u.a *.4 

P2@ces of 2,5W ta 10,GAG----------- 0.4 0.6 J..3 4.0 2a.3 36;6 1.2 7.3’ 6s.7 

W’t,e--.-. 0.4 0.6 1.2 4.8 17.a. 3s.7 27.6 1.3 7.1 6s.9 

Monvhite.. 0.5 1.3 2.0 7.3 25.9 37.9 20,4 0.7, 11..1 aa.9


RolTL1’
 . ......................--. 0.4 0.6 1.3 4.6 17.0 37.4 zas l.a 6.S. 93.1


mt.e---. 0.4 0.5 1.3 4.4 16.7 37.3 29.0 l.a 6.6 93.4


0.7 0.9 2.1 7.4 21.9 39a 20.4 1.5 Ill ss.a

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vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGFUPHIC DMSION 213 

T- 14. ~m= DISTRIBUTION@~ E~!F66M BIRTSN21GEI, BYW ANO ATENOANT,FOR USBANAND FJJBAI, AT&8.S
 IN~~o~~ ~ NO=o~~~


COLUiTIX+: UNI!TSD
STAZES,J&iUASY1 TO MARCH31,1950-Continued


(BYplaceof residence.Birthweightsnot statedaredistributed.includesdatafor342ssachusetts)


I BIK2B‘JZ?G12(INOPAMS)


ASEAANORACS lbta.1 1,000 1,001- 1,s01. 2,cQl- z,.501- 3,001- 3,501- 4>oo1- 4,501 2,503 2,501


Es 1,500 2,0011 2,s00 3,000 3,500 4,000 4,500 &
 1:s m~e


B13iTSS
 ATENOED BY PKTSICLW ~ E05PITAL.Continued


I 

Mtmpolitau counties 100.0. 0.5 0.6 1.4 5.2 19.8 39.4 25.5 6.4 1.2 7.7 9-2.3 

hhite 100.0 0.5 0.5 1.3 4.6 18.9 39.4 26.6 6.8 1.2 7.1 92:9 Nonvhite 100.0 0.9 1.0 2.3 7.9 27.0 39.1 17.4 3.6 0.6 12.1 87.9 

IBM---------------------------- 100.0 0.5 0.6 1.4 5.3 20.2 39.6 25.1 6.2 1.1 7.9 92.1 !4Mte lCQ.O 

Nonwhite lCO.O 0.5 

0.9 ::: 1.3 

2.3 

4.9 

S.o 

19.1 

27.3 39.7 

36;9 26.2 

17.3 

6.6 

3.5 

1.2 

0.s 

7.2 

12.2 92.8 

87.8 

white 100.0 

Nonwhite lW.O 

Placesof 50,000ta 2s0,coo---------- 100.0 

‘INlite 100.0 

Nonwhite 100.0 

Placesof 10,COOto 50,000 100.0 

0.5 

1.0 

0.5 

0.5 

0.6 

0.5 

::: 

0.6 

0.6 

1.1 

0.5 

1.4 

2.3 

1.4 

1.3 

2.4 

1.2 

5.0 

6.2 

5.2 

4.9 

7.6 

4.7 

19.7 

27.6 

19.7 

18.9 

26.1 

18.6 

39.8 

38.8 

39.4 

39.4 

39.1 

39.5 

25.6 

16.8 

25.6 

26.6 

18.3 

27.C 

6.3 

3.4 

6.4 

6.7 

3.7 

6.8 

1.1 

0.8 

1.1 

1.2 

0.9 

1.3 

7.5 

7.2.4 

7.7 

7.2 

11.9 

6.9 

92.5 

67.6 

92.3 

92.8 

66.1 

93.1 wbite 100.0 

Nonwhite 100.0 

PLmes of 2,500to 10, COO----------- 100.0 

whi.te 100.0 

Nonwhite lCO.O 

N.ual 100.0 

White 100.0 

Non’.’hite 100.0 

0.5 

0.6 

0.4 

0.4 

0.6 

0.5 

.0.5 

0.9 

0.5 

0.6 

0.6 

0.6 

1.1 

0.5 

0.5 

1.0 

1.1 

1.6 

1.1 

1.1 

2.5 

1.3 

1.2 

1.9 

4.5 

6.1 

4.8 

4.7 

7.3 

4.6 

4.5 

7.2 

18.2 

26.6 

16.3 

1s.0 

27.2 

16.3 

17.9 

24.4 

39.5 

39.5 

39.6 

39.7 

37.0 

38.6 

36.5 

41.o 

27.5 

16.5 

27.1 

27.3 

19.9 

27.3 

27.8 

18.6 

6.9 

3.6 

7.0 

7.1 

4.0 

7.5 

7.6 

4.3 

1.3 

0.s 

1.1 

1.3. 

0.2 

1.5 

1.5 

0.9 

6.7 

10.9 

6.9 

6.6 

1.3..7 

6.9 

6.7 

10.9 

93.3 

S9.1 

93.1 

93.2 

88.3 

93.1 

93.3 

69.1 

counties lCO.O 0.4 0.6 1.3 4.8 17.4 37.7 26.1 S.o 1.7 I .7.1 92.6 

!Ait.e 100.0 

Nomihite 100.0 0.4 

0.7 

0.,6 

1.0 1.3 

2.1 

4.6 

7.6 17.1 

22.5 37.6 

38.7 

2S.6 

20.8 

8.2 

5.2 

1.7 

1.5 

6.9 

1.3..3 93.1 

s8.7 

COOor more 100.0 0.6 0.6 Placesof 25Ci,
 1.5 5.5 21.1 39.7 24.1 5.6 1.1 8.3 91.7


Nonmetmpolitan


urban---------------------------- 100.0 0.3 0.6 1.4 5.1 16.8 38.9 26.6 7.0 1.2 7.6 92.4 mi*----- 100.0 0.4 1.4 4.9 16.4 3s.9 27.0 7.1 1.3 7.3 92.7 Nonwiiite-- lCO.O 0.7 H 2.0 7.7 24.9 37.6 20.3 4.3 1.1 11.6 8B.4 Placeo mite 100.O 0.4 0.6 1.4 4.9 18.7 39.4 26.6 6.6 1.2 7.4 92.6 i70nwhite 100.0 0.9 1.1 2.1 8.0 24.5 37.7 20.2 4.5 1.2 12.0 68.0 Placesof 2,500to 10,000 

smite 

Nonwhite 

100.0 

100.0 

100.0 

0.4 

0.4 

0.5 

0.6 

0.6 

1.3 ;:; 

1.s 

5.0 

4.9 

7.2 

18.3 

17.9 

25.6 

36.2 

38.2 

38.1 

27.3 

27.7 

20.3 

7.4 

7.6 

4.1 

1.3 

1.3 

0.6 

7.4 

7.2 

10.9 

92,6 

92.8 

89.1 100.0 0.4 0.6 1.3 4.6 16.5 36.8 29.1 6.6 2.0 6.6 93.2 ubite 

Nonwhit.e --

100.0 

100.0 0.4 

0.6 

0.6 

0.9 .1.3 

2.2 

4.4 

7.5 16.2 

20.9 36.7 

39.2 

29.6 

21.1 

S.9 

5.8 

2.0 

1.8 

S.6 

11.1 93.4 

SS.9 

of 10,000to 50,000 100.0 0.5 0.7 1.4 5.1 19.0 39.3 26.1 S.6 1.2 7.7 92.3


BIK737S ~
 BY PBYSICIANNC’IRf HOSPITAL


A7.1, cooNTr6s--— 100.0 0.5 0.? 1.2 4.5 14.t 33.7 2.9.1 10.6 4.9 6.9 93.1 

hhite 100.0 0.5 1.1 4.0 13.: 33.3 30.2 3L7 6.2 S3.6 Nomfhita 100.0 0.3 1.6 5.7 16.7 34.9 26.3 7.6 6.6 91.2 

IBM----------------------- 100.0 

uhite 102.0 

0.s 

0.9 

1.5 

1.4 

5.6 

4.9 16.C 

16.C 

35.8 

35.7 25.6 

27.3 

8.4 

9.4 

6.9 

8.2 S1.1 

91.9 Nonuhit=-- 100.0 0,6 1.6 6.7 20.6 35.9 23.4 9.9 90.1
 ~rti 100.0 0.4 1.1 4.1 1.3.6 32.9 30.4 l?:: 6.2 93.8
 Wte----- 100.0 0.4 1.0 3.s 12.6 32.6 30.9 12.3 5.7 94.3


Nonnhlte lCO.O 0.4 1.6 5.0 17.2 34.2 28.5 8.0 8.0 S2.O


Wtropolitaocounties lCQ.O 0.9 1.6 5.8 17.$ 3S.6 25.5 6.2 6.3 90.7


mite----- 100.O 0.9 1.4 4.9 L5.? 35.4 27.8 9.5 8.2 S1.8


Nomhite lCO.O 1.8 7.1 21.s 33.s 22.2 6.3 10.9 S9.1


Urban 100.0 :: 1.7 6.6 20.1 36.0 23.5 6.9 10.5 89.5


wti_-- 100,0 1.2 1.s 5.4 17.2 36.3 25.7 7.9 SO.2


N05’hite 100.0 0.6 1.7 7.7 22.E 35.8 21.3 5.9 2:: 88.8


Wd------------.-.-----------=-----lCO.O 0.6 1.2 4.5 14.2 35.0 28.s 10.4 7.2 92.!3
 mite lQC.O 0.7 0.9 4.4 13.4 34.5 29.9 11.1 6.7 S3.3
 Nonwhite 100.0 0.4 2.3 4.7 17.7 36.6 23.1 7.9 S.6 90.4


counties lCQ.O 0.4 1.1 4.1 13.e 33.2 30.2 Nometmpolit.!.n
 IL2 6.2 93.s
 White	 100.0 0.4 1.0 3.8 12.s 32.6 30.7 12.2 5.8 S4.2
 100.0 0.4 1.4 5.0 17.1 34.4 2S.4 6.2 7.8 92:2
 lCO.O 0.3 4.6 13.6 35.3 27.S 9.9 7.1 Ss.s
 white 100.0 0.6 :: 4.4 15.C 35.3 26.5 10.6 6.7 93.3
 Notribite 100.0 0.4 1.4 4.9 16.8 3s.0 26.7 8.7 7.8 92.2
 mti------------------------------- 120.0 0.3 1.1 4.0 13.5 32.7 30.6 1.1.5 6.1 S3,S
 ubite 100.0 0.3 1.0 3.7 12.s 32.3 31.1 12.4 5.s 94.4
 Nonwhit+-- lCO.O 0.4 1.5 5.0 17.1 33.9 28.9 8;1 7.8 92.2 
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214 VITAL STATISTICS-SPECIAL REPORTS 

T-SIX 14. PBRCRWAQ3 DIS3EIEWTION OP LIVE BIR~S 33 B= WSIGST,BY PACE “ANOAITdNDAN!C,FOR UBBAN -AND RUT+ .WSAB IN M6TROPOLZCAN AND 3JONlWi’B.0FUCOUNT~S: UNIT2D SWEiS, JANUARY 1 TO MPRCE 31, lS30-Continued 

(2Y place of residence. Birth weights not fitatedme d+stributed. Excludes data for Massachusetts)


BETS W21GFI (IiiCPJMS)


m.2AANDRAcs !lWcal
 1,000 1,oo1- 1,501. 2,001- ‘2,501. 3,001- 3,501- 4,001- 4,501 2,s00 2,501


1:6 I 

1,s00 2,000 2,500 3,000 3,500 4,000 4,500 & 1% m% 

I BIRTHS A3X6NDED BY MID%WS, )DiSR, AND NCT BFSC72W3D 

1.2 I 4.’4 I 12.0 28.0,1 31.6 13.1 8.9 6.4 63.6 ‘=--------------I==II=G 

13.5


lihlte 100.0 I C.4 0.s 1.4 4.9 12.1 26.0 31:1 13.0 5.4 7.4 92.6 

Nonuhite 100.0 0.2 0.4 1.2 4.2 12.0 2s.0 51.7 13.1 9.1 6,1 93.9 

Urban------------------------ 100.0 0.3 0.6 1.4 I 4.7 12.7 28.9 32.3 12.1 6.9 7.0 93.0 

hhite 100.0 0.3 0.6 1:3 5.5 12.0 29.5 31.5 12.8 6.0 8,2 91.8 

Nomhite 100.0 0.2 0.5 1.3 4.4 13.1 26.6 32.6 IJ..8 7.3 6.5 93.5 

RmL----------------------- 100.0 0.2 0.5 1.2 4.3 11.6 27.7 31.4 13.4 9.6 6.2 93.8 

kllite 100.0 0.3 0.s 1.3 4.6 12.1 27.2 30.9 13.1 9.6 7.1 92.9 

Nomhite 100.0 0.2 0.4 1.1 4.2 IJ..7 27.S 31.5 T9.6 5.9 94.1 

Wtropolltan counties------------ 100.0 0.4 0.4 1.2 4.3 13.4 31.4 30.9 .U.8 6.0 6.4 93.6 

wlite 120.0 0.6 0.4 0.9 5.3 1.I..4 31..5 31.2 12.8 6.0 7’.2 92.8 

Nonwhite-- 100.0 0.3 0:4 1.4 3.8 14.5 3J..4 30.8 3-1.3 6.0 6.0 94.0 

urban 100.0 0.4 0.5 1.4 4.4 13.5 31.6 31.3 11..6 5.4 6.6 93.4 

white lCO. O 0.6 0.5 1.0 4.s 3-7..1 31.5 32.2 13.0 5.3 6.9 93.1 

Nonwhite 100.0 0.3 0.4 1.6 4.1 13.1 $1.7 30.7 10.6 5.5 6.4 93.6 

R.mal 100.0 0.4 0.4 1.0 4.2 13.2 31.2 30.3 12.2 7.1 6.0 94.0 

white 100.0 0.8 0.3 0.3 6.5 12.0 31.7 26.3 12.1 7.9 8.0 92.0 

Nonwhite 100.0 0.2 0.4 1.2 3.3 13.6 31..O 30.9 12.3 6.8 5.4 94.6 

Nonm.etropolitancOunties---------

wlite 

KQ.o 

100.0 

0.2 

0.3 

0.5 

0.9 

1.2 

1.3 

4.4 

4.6 

IJ..s 27.4 

26.9 

5L.7 

31.0 

13.3 

13.1 

9.5 

9.2 

6.4 

7.5 

93.6 

92.5 

Nonwhite 100.0 0.2 0.4 1.1 4.3 H:: 27.5 31.9 13.4 9.6 6.1 93.9 

urban 100.0 0.3 0.7 1.4 4.9 12.3 27.2 3Z.9 12.5 7.9 7,3 92.7 

uh*te 103.0 0.4 1.1 1.9 6.2 12.9 27.4 30.7 12.? 6.7 9.5 90.5 

!iOnvhite 100.0 0.2 0.6 1.2 4.5 ls.o 27.2 33.5 12.4 5.2 6.6 93.4 

mu-al 100.0 0.2 0.5 1.2 4.3 3.1.7 27.4 31.4 13.5 9.8 6.2 53.5 

White 100.0 0.3 0.9 1.4 4.4 ls .1 26.6 31.1 13.2 9.8 7.0 93.0 

Nomhfte lCO.O 1

0.2 0.4 U1.1 4.-2 u..5 27.6 37..5 15.6 9.8 6.0 “94.0

NM?6.—Rx definitions of amaa, see Explanatory Notee.


IMBI.EE. DE411iB= 2S DAYS BY BIRTS U21GST, WCS, AN!JATENDMT, FOR URBAN Al@ RUML APiL4BIN 14TTR3FOIJVX AND NONMSTROKLC!L4N COUN’IT3S:


uNITPD 3TA!!SS,JANUARY 1 TO WE 31, 1950


(6Y P~ce .f residence at bi~. IncIxdes death maw chihn born Jm. 1 ‘c K=. 31, 1950. 3irth %eIshts not stat-=dare distributed. Excludes


6EtA for Kwmachuaetts )


B~!Ei WBIOST (IX GRANB)


AREA AND RACS Total 1, MO l,ocl- 4,501 2,500 2,501 1,501 - 2,0Ql- 2>501- 3,0cl- 3,501- 4,001- or 1,500 Z,Coo 2,500 3,000 3,500 4,COO 4,500 & leas l.% m% 

TCTAL Ds4wss 

Au ccmTms 16,741 3,424 2,078 1,912 2,112 1,280 4s3 246 10,7C6 6,035 —— 

hhite 13,521 2,617 2,293 1,976 1,693 1,528 1,703 962 374 155 6,779 4,742


Nonvhite 3,220 607 50s 427 3F!S 364 409 296 103 93 1,927 1,293


urban 9,717 2,294 1>.679 1,377 1,128 1,C66 1,203 668 2.07 95 6,47s 3,239 

lihite 7,893 1,642 1,352 1,149 936 637 9s4 541 169 61 5,281 2,612 

NomiiIite 1,624 452 327 226 190 209 219 127 3g 34 1,197 627 

rural------------------------ 7,024 1,130 1,122 1,026 950 846 909 612 276 133 4,22s 2,796 

wKLite F.,62S 975 941 S27 753 671 719 443. 205 94 3,496 2,130 

Nonwhite 1,396 155 la 199 195 175 190 171 71 59 730 666 

WtropoMtan Coulitles 5,553 z,133 1,A5S l,lsl 943 946 1,032 554 198 66 5,737 2,S46 

mte--_- 6,976 1,724 1,174 977 762 767 872 4s4 171 55 4,657 2,519 

Nonwhite-- 1,607 431 264 204 161 179 190 10b 27 51 1,Oao 527 

Urba 6,s26 1,763 1,169 935 750 760 877 461 143 6S 4,617 2,302 

h’hite 5,532 1,375 624 764 619 6C6 7fx 377 119 43 3,662 l,eso 

Nonwhite 1,394 3ss 245 171 131 3.34 172 64 24 25 955 439 

~m_ 1,657 3s2 269 246 193 1s6 1s5 93 53 18 1,120 537 

w+ite 1,444 349 230 213 163 161 167 77 52 12 975 469 

Nmuhite 213 43 39 53 30 25 18 16 3 6 145 68 

Normetmwlitan cGunties--------- 6,138 1,269 1,343 1,222 1,135 966 1,050 726 2F!5 162 4,969 3,169 

Hhite 6,343 1,093 1.119 999 91.1 761 ml 528 203 100 4,122 2,423 

Notiite 3.,613 L76 ’224 223 224 20s 219 196 62 62 847 7S6 

mti------------------------------- 2,7Bl 531 510 442 37a 305 226 207 64 27 1,661 930 

wlite 2,361 467 42S 3s5 319 251 279 164 50 m ‘1,599 762 

Nonwhita 430 64 62 57 39 55 47 43 14 9 2s2 1s8 

mti-------------------------------- 5,567 7= 235 7s0 737 660 72.4 519 221 133 3,108 2,259 

liilite 4,1s4 626 691 614 5%? Slc 552 364 153 22 2,523 1,661 

Noti”+e 1,183 112 142 1.S6 165 lx 172 155 66 53 363 56s 
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Vol. 45, No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIVIS1ON 215 

TASLE 15. DEATRS UNDER 28 DAY2 BY B~5 NEIGHT, RAC2, AND ATII!NDAWP,FOR UPWN ll?D RURAL A&S IN l.ZiTROPOLI’i%NKillNON7.IXTROPOLITANCOUNTIES:


UNIT2D STATES, JANUARY 1 3?324ASCH 31, 1950 -Continued


BIRTH WEIGRT (IN GRAMS)


AK6AANURACB Tots 1,000 1>001- 1,501 - 2,001- z,501- 3,001- 3,501- 4,001- 4,501 2,500 2,501 

or 

less 1,500 2,000 2,500 3,009 3,300 4,000 4,500 ~:= ‘r 0= less more 

DEATHS AMONG BHW”dS AIT?NDZD BY P~SICIAN III HOSPITAL 

ALL Coum?ms 13,821 3,0s3 2,39: Z,03C 1.657 a= =3= 9,171 — 4,650 

Whlte---- u, 990 2,602 2,06< 1,80: 1>44E 1,337 1,47( 257 30E 7,91; 4,073 Nonwhite- 1,833. 4ffl 32$ 2E 20s 193 Zo< 116 3.5 1,Z5< 577 

Urbm.---.----------------------, s,S50 2,147 1,55 1,27C 1,014 96Z L,o7i 399 174 5,9e[ 2,e6z M-lite---- 7,470 1,752 1,261 1,107 874 817 91{ 516 153 3,01< 2,45s Nonnhite- 1,380 395 2s[ 162 14C 145 161 el Z1 93< 426 Places of 250,000 or more 3,398 930 56( 46C 363 358 39t 226 7C 2,31: 1,083 Nllite 

NonwhitePlaces of 50,000 to 250,000----------

white 

.Nonwhite2,623 671 42Z 

775 259 13[ 

1,930 45s 332 

1,614 3ao 27( T316 76 6[ 

38E 

72 

276 

222 

54 

ZS6 

77 

Zol 

178 

23 

Z8Z 

76 

220 

3.87 

33 

3X 

E 

Z62 

21: 

leo 

46 

L3s 

121 

17 

39 

11 

33 

3C 

3 

1,76i 

544 

1>Z6: 

2.,03c 

21: 

856 

ZZ9 

665 

5e4 

101 Pla.es of 10,000 to 50,000----------- 2,198 49s 38: 317 279 224 2; 150 47 1,492 705 mite 2,004 453 364 295 254 202 247 134 42 1,3s6 63e Nonwhite -. 194 45 x Z2 25 22 z: 1s 5 1Z7 67 Places of z s500 to 10,000 1,324 263 Z4E 217 171 160 147 85 24 ee7 4Z7 White 1,22s 248 Zz: 202 156 146 137 83 2Z e31 398 Nonwhite -. 95 15 21 M 15 14 lC 2 z SE 28 meal 4,971 S36 856 76E 643 56e 5e7 374 169 3,20: l,76e KMte 4,520 850 7s: 696 574 5Z0 554 339 MS 2,90: 1,617 Nonwhite-. 451 86 7? 7Z 69 4e 4: 55 14 30C 151 

143tr0p0Litancounties--------- 7,902 2,025 1,344 1,092 852 861 96E 51s 174 3,?W 2,569 

‘mite----- 6,614 1,641 l,llC 943 722 733 82C 440 1.37 4,41E 2,198 Nonwhite -. 1,28s 384 234 149 3.30 lze 14E 78 17 597 591 

White 3,297 1,317 882 743 583 585 666 369 112 3,525 1,772 Nonwhite -. 1,161 330 Zlz 134 3m. 114 13$ 69 16 807 354 P3aces of 250,000 Or more 3,398 930 56C 46C 363 358 39E Z26 70 Z,313 1,oa5 Nhite 2,623 671 422 388 286 zez a? leo 59 1,767 ffie Nonwhite -. 775 259 13E 7Z 77 76 85 46 II 546 229 Places of 50,000 to S50,000---------- 1,930 4S6 33Z 276 Zol 220 Z6Z 13s 33 1,265 665 White 1,614 380 27C 222 178 le7 Z19 lzl 30 1,050 564 Nonwhite -. 316 76 62 .54 23 33 43 17 3 213 10L P3.acesof 10,000 to 50,000----------- 764 197 3.3C 87 93 70 109 55 1s 507 Z57 mite 712 166 12? 83 54 67 50 16 476 236 Nonwhite-. 52 M. 7 4 8 : 5 2 31 21 P3.acesof 2,500 tc 10,BOO----------- 388 84 72 54 37 2 36 19 7 Z47 1.I.9 White----- 34s so 57 50 35 49 36 18 7 Z3Z 116 Nonwhite-. 18 4 5 4 2 1 I&5 3 Wad---------------------------- 1,444 358 25C as 15: 162 163 so 46 98L 463 Nhit’?----- 1,317 324 228 200 139 14e L34 71 45 691 426 Nonh’hlte-. 127 34 22 15 19 14 e 9 1 90 37 

Ncmmetropolitau counties------ 5,919 1,038 1,046 946 805 669 7C6 455 169 s,25s 2,061 

white 5,376 961 954 S60 726 604 650 a? 1.31 3,501 1,575 Nonwhite 543 87 95 86 79 65 56 38 18 357 les 

Urbm 2,392 4s0 443 393 320 Z63 272 161 46 1,636 736 Nhite 2,173 435 399 364 Z91 232 250 149 Al 1,469 6S4 Nonwhfte 219 45 44 Z9 31 22 12 3 147 72 Places of 10,000 to 50,000 1>434 3U1 269 230 1% L54 161 95 29 986 448 Nhite 1>292 267 243. 23.2 170 135 149 Z6 890 402 Nonwhite 142 34 2s 18 16 19 12 E 3 96 46 Places of 2,500 to 10,000 95s 179 174 163 134 109 I.lJ. e6 17 650 30s mitl2----- 861 168 158 152 121 97 101 65 I-3 599 2ez Nonwhite-. 77 u 1s u 13 12 10 1 2 51 26 mad---------------------------- 6C6 553 485 406 434 294 1Z3 Z,2Z2 1,303 !mite 555 496 435 372 400 Z6S 1-1o 2,012 1,191 

51 

mom--------------------_--_---< 6,456 1,667 1,094 877 694 699 8LX 43s lze 4,33Z 2,126 

Nonwhite 5_11-5 57 50 34 

I 

34 26 13 Zlo lL4 

Urbm 31.5 L18 58 62 28 13 14 342 173 White —--- 2s8 77 2Z 40 13 ‘9 4 200 58 Nonwh2.te-- 227 41 42 40 19 2Z 15 4 10 14Z 25 Wd------------------------ 1,158 l?J 172 139 176 l% 179 10a 47 33 sle 540 white 848 103 1.17 101 146 la 127 69 33 5.L 4e7 381 

DEATHS .WiONG BIR7ES ATE?WDED BY PMSICIM NC-T IN EOSP17L4L 

II I I I 

Au coomms 1,673 249 Z65 214 Z3Z 49 960 713 

+ wlite 1,136 180 me 136 183 143 167 52 42 35 667 469 Nonwhlte 537 l_-69 e7 7s 49 84 74 54 le 14 293 Z44 

Nonwhite ?10 2s 55 38 30 50 5Z 39 14 4 T/

Ml 159
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216 VITAL STATISTICS-SPECIAL REPORTS 

TABLE 15. D2A’IESUND2R 28 DAYS BY BIR’L’S WEIGST, PW2, AND ATPENDANT, FOR UHE4N AND HJFAL .42W5 ~ M2TSOPOU AND NON24Z!FSOPOL7TCAN
 COUNTDS: 

UNIIED STAl!BS,JANUARY 1 ’20M4HCB 33.,1650-Continued 

II B13TS WEIGIPf(13iGHAt.5)


Aso?AANm PAc2 Tutal 1,000 1,oo1- 1,501 - 2,001- 2,501- 3,001- 3,501. 4,001- 4,501 2,500 2,501 

or
 1,500 2,000 2,500 3,000 3,500 4,000 4,500 ~:= les6
 1:s m:e


DBATSS AMONGB7T+i’SSATENOED BY PHYSICIAN NcYI2N HOBPITAI-EODtlINWl


Metropolitan counties------------

wllte m 91 

53 

68 

33 

55 

40 

5Z 

20 

50 

33 

25 

lZ 

9 

6 

7 

1 

316 

195 

143 

72 

Nomhite 38 33 13 32 17 13 3 6 124 71 

Urban 318 SC 61 43 30 38 34 1s 5 7 216 102 

Nhite 164 40 33 20 19 10 22 8 3 1 lZO 44 

Nonwhite 2,54. 32 28 25 D Z8 12 10 2 6 98 5s 

ml-al-------------------------------- 144 23 30 23 25 14 1s 7 4 103 ,41 

White 103 21 20 13 sl 10 Z.1 4 3 75 28 

Nmvhite 41 4 10 10 4 4 5 3 1 Zs 13 

NMlaetmpolitan mlmtles 1,2SL 144 174 146 177 175 191 Ill 51 42 641 570 

~ite 869 Z_u 2.15 103 143 3.23 134 70 36 34 472 387


Nonwhite 342 3? 59 43 34 52 57 u 3.5 8 1s9 1?3


Urban 197 5E 3Z 30 26 19 28 10 s 7 126 71


uhlte 1Z4 25 18 15 18 12 18 5 6 3 80 44


Nombite 73 s 14 2.5 8 6 10 2 4 46 27


ml-al 1,014 lW 142 2-16 2.51 157 163 10; 43 E 515 498


White 745 92 87 8S 125 m 3.16 63 30 31 39s 353


Nonvhite 269 24 45 28 26 46 47 36 13 4 123 146


D2ATES AMONG B~S .mm’zED BY 2m%mE, O’1322R,ANo NOT Gmcmm


m Comfims------------- 1,Z47 92 143 151 187 =1= S7S 

l$hite 395 55 61 37 Sz 48 66 43 24 19 195 200 

Nmvhite-- 952 57 92 2.2.4 lz7 107 131 128 56 50 380 47Z 

Urban------------------------ 352 29 49 3Z 38 48 64 4L 20 u 16S 184 

mite 135 13 20 7 27 18 29 10 5 67 68 

Nonwhite 217 16 29 31 30 32. 1; 6 101 Ills 

Rx-al------------------------ 595 63 94 z 1s2. 107 1: 130 60 58 407 4s8 

lihite 260 2Z 41 30 53 30 38 33 17 14 128 13Z 

Nomhlte 635 41 53 69 96 77 95 97 43 44 279 556 

Mtmpolitau counties 

wilite 

Z19 

85 

25 

14 

Z3 

U 

21 

1 

36 

20 z 

44 

18 

u. 

2 

15 

8 

2.3. 

6 

K6 

4s 

11.4 

49 

Nowhlte 124 u 12 20 16 19 25 8 7 5 39 65 

Urban 130 16 14 13 Z6 23 38 5 2.0 5 69 m. 

WM.te 71 10 9 1 17 11 17 4 2 37 34 

NonvWte 79 6 5 12 9 2.2 Z1 5 6 3 32 47 

-meal 66 8 9 8 10 10 6 6 5 6 36 33 

wilite 24 4 2 3 3 z 2 4 9 15 

Z?onwhlti 45 5 7 8 7 7 4 4 : 2 27 18 

IiormetropolitancOunties 

WMte 

1,028 

300 

67 

21 

12C 

5C 

130 

36 

153 1Z2 

34 

153 

47 

160 

41 z 

58 

13 

47C 

14s 

555 

151 

Nonwhite 728 7C 94 s 88 10s 2-7.9 49 45 3Z1 407 

Urban 202 E 19 32 Z5 26 56 10 6 ’39 103 

uhite 64 3 6 10 7 u 10 3 3 3C 34 

Z90mlhite 138 10 13 22 18 15 26 7 3 69 69 

-Weal 826 54 Z.u 121 97 127 124 55 52 371 455 

7Wte 236 18 30 3Z 27 36 31 13 10 119 117 

Nonwhite 590 36 81 89 7C 81 93 42 42 Z52 338 

— — 

2602?6. -For definitions of sums, see W@.?matory Notes. 
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Vol.45,No. 10 WEIGHT AT BIRTH BY GEOGRAPHIC DIV1210N 217


TP3L816. N20NXL4L MORTALITY RUTS BY BLRT8W!21GHT, P&3z,ANDf,TTBNO.4NT, PCR7JRS.4N INDRUFAL AFC?A8
 INZ.EIROFOLITAN AND N02UE!’2ROiWUTlN COUNTIES,


UNITEO ST.4TE3,JAN7JARY1 TO MJW!H 31,1950


(3Y Place of residence at birth. Pa8ed on deaths under 2S days among children born Jan. 1 to k. 31, 1950. Rates per 1,000 live births in each


spe=lfied !WOUP. Birth weights not stated are distrititea. Ikcludes data for Massachusetts. Tao dots (..) indicate rate not computes where the


nurber of deaths 18 less then 10)


BIRTH WBIGRT (IN GRAMS) 

AP.2AAlio RAc2 lbtd 1,000 1,001. 1,501- 2,001. 2,501 - 3,001 - 3,501- 4,001- 4,501 2,500 2,501 

or 

less 1,500 2,000 2,500 3,0cn3 3,500 4,000 4,500 ~:e ‘r 0= less 

ALL COUNTIES 

whtte


Nonwhite


Urban


Wlite


Nonwhite-­


mrti


White


NonwhLte.-


Metropolitan counties


White


Nonwhite


-Urn=


White


Nonvhite.­


~rti


White


Nonwhite--


Nonrnetropolitancounties


Wbite


Nonwhite--


Urbm


White


Nonvhit e-­


~rfi


white


Nonwhit&­


#LL COUNTIES G 

Nhite


Nonwhite--


Urbm


~ite


Nonwhite


Places of 250,CQ0 or more


white


Nonwhite-­


Places of 50,000 to 250,0W 

White 

Nonwhite-­

Places of 10,000 to 50,WE


white


Non!.’hi
 te

Places of 2,500 to 10,COO------------


White


Nonwhite


Fiural


W%ite


Nonwhite-­


Metropolitan counties


hTlite


Nonwhite-­


Urban


Nhite


Xonwh%te--


Places of 250,000 or more


hhite


Nonwhite--


P1.s.ces
of 50,000 to 250,000----:----­


hhite


Nonwhite-­


Places of 10,000 to 50,0CIO-----------


Wnite


Nonwhite-­


Places of 2,S00 to 10,OQO-----------­


!4Mte


Nonwhite-­


Fur@J----------------------------­


hhite


Nonwhite


20.0 II 871.7 551.3 211.0 50.4 5.G 7.5 

.—— 

3.6.9 aa3.3 562.1 214.6 50.6 12.0 6.2 4.9 e.? 

26.7 821.4 307.0 3.95.7 49.5 15.4 9.7 10.5 1? .5 

19.7 865.4 540.4 195.7 43.7 12..0 6.3 5.3 .,.4 

18.6 897.2 548.5 203.8 45.1 10.7 5.9 4.8 5.8 

27.0 840.1 S09 .3 163.1 :8.0 12.6 8.7 9.3 11.2 

20.4 645.2 568.4 r55 .7 61.5 13.3 7.4 6.1 8.6 

19.3 858.3 583.0 231.7 59.6 14.3 6.8 5.2 7.7 

2S.3 771.1 502.8 253.8 70.0 21.1 11.o IJ..6 3.3.2 

19.2 886.1 553.9 187.8 40 .s 10.7 I 6.2. 4.8 3.7 

1s .0 897.0 543.5 195.1 42.0 10.5 5.7 4.4 6.4 

26.9 845.1 497.4 159.1 35.8 11.8 a .5 8.8 10.1 

19.4 86!9.1 525.4 181.6 39.5 10.6 6.2 5.1 6.4 

lB.1 903.4 533.5 190.9 41.5 10.4 5.8 4.7 5.9 

26.6 841.6 497.0 2.49.3 32.4 12..3 8.7 8.8 11.z 

1%.3 873.1 571.1 215.6 G .5 11.5 5.4 3.7 7.8 

17.4 872.5 584.1 212.2 44.0 I.1.o 3.3 3.3 8.t) 

27.6 877.6 500.0 240.9 67’,1 6.2 9.2 .. 

20.9 848.3 571.5 239.7 S2 .6 15.> 7.5 6.5 8.1 

16.9 S62 ,7 5s3.1 237.9 ;1 .4 14.1 6.9 5.6 7.0 

26.5 768.6 519 .; 247.8 66.2 21.2 23..2 11.6 13.5 

20.6 873.4 5i6.; 234.2 55.4 12.4 6.3 i.- 6.3 

19.7 879.5 .583.9 235.6 54.3 11.5 6.0 .J..I 5.7 

27.6 231.2 550.3 225.3 62.2 18.7 8.9 ‘,,.6 11.3 

21.1 831.1 567.4 242a 67.0 16.9 e.1 6.9 8.8 

20.0 850.5 582.6 239.4 66.0 2.5.8 5.8 7.6 

26.1 736.8 503.5 256.6 79.6 22.3 I 1::; 2.1.9 14.0 

—


D.2ATS2Ak!ONGBIRT2E A2T2ND20 BY .P2iY81CI.AN
 IN HOSPIT.U.


549.5 203.7 45.7 2.1.2 6.0 5.0 6.7 

18.2 690.8 358.1 22.1.5 .4.5.7 11..z 5.8 4.7 6,3 

27.4 839.4 500.8 156.5 39.s 11.2 7.8 9.5 1.3.c 

19.1 888.U 537.2 192.1 41.8 10.5 3.9 5.1 5.8 

18.1 9JIJ.3 546.5 203.5 43.5 10.5 5.6 -4.8 5.5 

26.6 842.2 495.2 139.3 33.9 10.4 6.0 8.8 11.2 

19.0 879.G 592.7 166.6 36.7 9.5 5.6 5.3 6.7 

17.7 891.1 510.9 lee .4 38.5 9.7 5.3 4.7 6.5 

25.6 849.2 479.2 102.6 31.2 9.0 7.2 9.1 10 .G 

19.5 897.6 534.6 197 .i 39.1 11.3 3.7 5.4 

18.4 92s .7 542.2 195.9 41.6 11.3 6.3 5.2 ;:: 

2s.1 817.2 534.1 2C2 .2 2 $.8 11.z 9.8 8.3 .. 

18.8 897.3 560.4 2G2 .9 48.3 19.2 5.8 4.9 6.0 

16.3 904.2 563.5 2c7 .3 48.8 10.0 5.7 4.5 5.6 

27.1 833.3 530.3 158.3 43.6 12.2 8.4 .U.4 .. 

19.1 694.6 594.2 244.4 49.3 12.6 5.5 4.5 4.7 

18.6 895.3 CO1 .6 244.6 48.6 12.3 5.4 4.5 4.5 

30.1 882.4 525.0 24L.9 .35.2 17.1 8.4 .. .. 

19.0 867.5 573.0 226.1 53.6 12.7 6.1 5.0 7.7 

16.3 671.8 576.3 225.6 52.7 12.6 6.0 4.7 7.4 

29.8 826.9 321.4 230.0 61.7 14.5 7.2 11.4 17.3 

L6.6 889.3 529.5 183.0 i8.8 10.2 5.6 4.8 6.4 

17.6 900.7 536.8 194 .G 40.0 10.3 5.5 4.4 6.1 

26.3 644.0 488.5 154.6 33.4 9.7 7.7 9.1 9.7 

1s.8 691.0 522.4 178.1 38.2 10.1 5.9 5.1 6.0 

17.7 904.5 530.7 L6G.5 40.0 10.2 5.6 4.7 5.7 

26.1 643.4 490.7 131.1 31.1 9.4 6.0 9.0 10.2 

19.0 879.0 502.7 166.6 36.7 9.5 5.6 5.3 6.7 

17.7 891.1 S1O .8 188.4 38.5 9.7 5.3 4.7 6.3 

25.6 848.2 479.2 102.6 31.2 9.0 7.2 9.1 10.6 

19.5 897.6 534.6 197.1 39.1 2.I..3 6.7 5.4 5.2 

16.4 915.7 542.2 195.9 41’.6 11.3 6.3 5.2 5.1 

2.3.1 617.2 504,1 202.2 26.6 11.2 8.8 a.3 

17.2 920.6 555.6 167.6 44.3 8.4 6.2 4.6 6:; 

16.9 925.4 559.1 172.2 44.0 8.7 5.9 4.3 5.5 

22.1 846.2 .. LL.9 .. 

17.1 923.1 576:6 222 :; 56.1 3.5:6 4.2 3:; .. 

16.7 819.5 567.8 2211.3 35.9 13.1 4.4 3.2 .. 

28.0 .. .. .. .. .. 0 .. 0 

17.6 881.8 561.8 205.9 41.7 10.8 5.1 3.6 7 .s 

17.0 885.2 572.9 208.6 40.2 10.7 5.2 3.3 7.6 

28.0 85u .0 468.1 176.5 58.5 12.6 .. .. .. 

more 

14.2 173.7 7 A


12.0 175.8 7.1 

20.2 164.7 11.9 

14.2 lGa .2 -1.1 

11.2 170.6 6.6 

26.7 2.38.1 10.4 

14.2 182.9 8.7 

12.6 164.3 7.8 

17.7 176.E 13.6 

14.4 166.0 6.9 

10.8 168.1 6.4 

36.7 157.5 10.0 

1.5.8 163.0 7.0 

11.7 16S.0 6.5 

39.6 152.1 10.0 

10.9 179.4 6.4 

a .4 176.2 6.1 

.. 203.9 9.8 

14.1 183.6 8.8 

12.9 165.5 7.9 

16.5 174 .fJ 13.6 

12..3 182.4 7.4 

13.3 182.2 6.8 

1S3 .6 11.9 

14:; 184.2 9.5 

13.7 187.6 8.5 

17.0 171.1 14.2 

13.. 169.5 6.9 

10.CI 171.6 6.7 

44.1 1.57.5 9.8 

13.2 1*5 .2 6.7 

lC.7 168.0 6.4 

42.1 131.8 9.4 

i7 .G 336.0 6.6 :.,.4 159.8 6.2 

47.3 145.1 8.6 

10.‘? 165.0 7.3 

.. 166.0 6.9 

1.30.3 10.2 

9:; 3.73.4 6.5 

S .6 175.7 6.3 

i32.3 10.6 

12:; 3./8.5 6.6 

11.9 177.7 6.5 

]89.1 10.3 

3.2:; l#s.2 7.3 

10.9 178.2 7.0 

48.0 179.0 11.2 

13.5 162.4 6.6 

10.4 164.8 6.3 

51.2 151.3 9.1 

14.7 160.2 6.7 

11.6 163.1 6.4 

45.6 146.5 9.1 

17.6 336.0 6.6 

13.4 339.8 6.2 

47,0 145.1 8.6 

10.7 163.0 7.3 

.. 166.0 6.9 

.. 160.3 10.2 

.. 165.3 6.2 

.. 169.2 6.0 

0 121.6 10.0 

.. 166.6 6.0 

.. 164.8 6.0 

0 200.0 .. 

9.8 172.7 6.1 

.. 171.8 5.9 

.. ?.61.1 9.1 
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L 

218 VITAL STATISTICS-SPECIAL REPORTS 

TABLE16. K7201W.TAL MORTALITY PATES 5X BIRTR WEIGHT, RACE, AND ATT2NDAXT, FOR URSAN ANE R.F.AL APJ6ASIN i231SOPOILlCAN .4?T0 NONM02ROPOIJ.T.4N
COUNTIES : 

UNTT2D STATES, J.MWRY 1 TO NARCE 31, 1950-Continued 

(See headnote on p. 217)


BIRTS W21GHT (IN GPAMS) 

PRSA AND RACE Total.1,000 1,001. 1,501. 2,001 - 2,501 - 3,001- 3,501- 4>001. 4,501 2>500 2,501 

or 

less 1,500 2,000 2,500 3,000 3,500 4,000 4,500 ~:e ‘r less m:: 

DE.kTS3AMONG BIRTRS ATIENDEO W PEYSIC2AN IN HOSPITAL-Continued


-–
 I I I I [ I


Nonmetmpolitm counties 19.8 869,4 577.6 234.2 56.3 12 .s 6.3 5.4 7.0 12.4 180.5 7.4


White 19.1 874.4 582.4 234.7 56.1 L2 .6 6.1 s .2 6.5 11.2 181.0 7.1


Nonwhite 30.3 822.0 533.7 228.7 58.1 16.1 a .1 10.2 19.3 .. 175.8 11.7


Urbm 19.9 662.4 577.6 232 .S 52.6 IJ..7 s .s 5.0 I s .5 9.4 

White 19.3 887 .S 585.0 236.4 52.7 11.z 5.7 4.9 3.1 e .5 

Nonwhite 29.9 833.3 517.6 19s .9 51.3 3.7.0 7.9 6.1 .. 

Places of 10,000 to 50,000 19.9 862.7 562.8 220.5 50.s 11.2 5.? 5.0 6:; .. 

White 19.2 890.0 365.7 225.3 51.6 10.7 5.6 4.7 5.7 .. 

Nonwhite 29.5 629.3 559.5 176.5 41.6 ls.1 6,6 11.3 .. .. 

Places of 2,500 to 10,000 20.0 881.8 602.1 252.7 55.7 3.s.4 6.1 5.0 4.8 .. 

White 19.4 684.2 617.2 253..9 54.4 3J..9 5.8 5.2 4.3 .. 

Nonwhite 30.7 646.2 484.6 239.1 71.4 IA .7 10.5 .. .. 

Rural---------------------------- 19.7 .956.6 S77 .7 235.1 59.0 13.7 6.6 5.6 7.8 13:; 

White 19.0 663.7 560.5 233.5 58.6 13.6 6.5 5.4 7.3 12,3 

Nonwhite -. 30.6 ’912.5 S413.4 250.0 63.0 15.4 8.2 11.6 21.2 

D2ATSS AMONG BIRTHS #ZCENDEO BY PHfSICL4N NOT IN HOSPITAL


Ruti 24.1 746.5 565.7 244.7 69:; 27.7 3.1.9 7:; s .9 14:; 201.5 12.6


White 22.4 766.4 574.0 255.1 100.6 26.7 10.8 6.3 7.3 M .5 210.4 11.3


ALL Coumms 25.6 ---& 265.2 78.5 23.5 3.s. ? 22.1.6 11.-

White 23.7 796.5 577.3 255.6 94 .C 22.4 10.5 5.7 7.5 13.7 223.6 10.s Nonwhite 30.6 784.1 524.5 263.6 4a .7 25.6 12.1 11.7 X5.6 21.5 18s .5 15.2 

28.9 048.9 331.4 2S5 .2 55.$ 17.5 9.7 6.1 5.7 23.2 216.6 10.7 

Nhite 2.9.3 853.6 542.6 241.4 74.7 15.5 lz..o 4.7 .. ., 242.7 9.4 

Ncmwhite 29.9 !336.7 316.5 339.0 37.5 21.7 s .1 6.4 .. 41.C 3.s8.1 12.4 

Rural 24.3 74s .6 571.4 235 .S 90 .E 26.4 u .4 7.5 8.7 3.3.4 208.9 3.2.1 

Nhite 22.5 757.4 593.9 261.0 101.5 25.5 10.3 3.9 14.1 216.3 10.7 

Nonwhite 31.1 717.9 528.8 242.0 60.1 29.2 15.3 13.a 1;:: .. 3.69.0 17.4 

Metropolitan covntiee---------- 31.6 s26 .8 566.6 291.6 63.7 ls .s 9.4 6.6 .. ., 230,7 10.6 

White 29.8 821.4 595 .s 264.0 91.1 14.6 10.4 4.8 .. .. 264.6 6.6 

Nonwhite 32.9 837.2 533.2 324.1 33.4 24.7 6.0 9.9 .. ., 192.0 13.4 

Urbm 34.1 531.1 554.5 276.1 4s.9 20.3 10.1 6.2 .. .. 220.2 ls .2 

Nhite 36.5 872.7 541.0 241.0 78.5 12,9 13.5 .. .. 272.1 10.6 

Nonwhite 31.9 S20.5 571.4 332.5 29.6 25.4 9:; .. .. 177 .e L3 .5 

Wd----,--------------------------- 25.9 757.6 600.0 32S.6 100.4 17.7 ::: .. .. 0 256.2 8.0 

Nhite 23.1 724.1 714.3 309.5 106.6 16.8 7.2 .. .. 0 253.4 6.7 

Nonwhite 37.0 .. 434.5 357.1 .. .. .. .. .. 0 264.2 13.0 

Nonrnetropolitancounties 24.0 770.1 560.6 254.4 85.2 25.0 1.1.4 7.3 9.0 35.3 203.2 12.0 

white 22.3 781.7 569.3 253.1 93.7 24.5 10.5 5.9 7.6 ICC.3 210.2 10.6 

Nonwhite -: 29.4 733.3 517.5 257.5 36.4 26.2 14.3 12.4 15.7 .. lS6 .1 16.1 

Urbm 23.3 844.4 492.3 300.0 67.0 13.6 9.3 4.2 .. .. 210.7 9.0 

white 21.6 828.6 545.5 241.9 71.1 14.0 9.0 .. .. .. 206.9 6.3 

Nonwhite 26.3 .. 437.5 394.7 .. 10.0 .. 214.0 10.6 

Nonwhite 1 30.4 665.7 I 548.8 217.1 58.2 30.3 1ls.7
 14.1 16.2 .. 177.5 17.9


DEAT2s AMONG BIRTHS AT2ENOPJ BY t.0X)N2FE,
U2HES, AXD NM! SPFZIPIID


ALL COUNTIES------------- 26.4 766.7 572.0 263.1 91.7 11.s 13.C 16.4 

white 

—— 

33.9 833.3 677.8 246.7 sls.7 

=4---=’ 36.2 21.5 12.6 16.8 20.5 

=1=

23P..4 3.s.7 

Nonwhite 23.6 730.8 512.5 26S.9 63.2 24;7 3.2.9 IJ...2 11.8 25.2 173.7 13.9 

I 

Urbm 30.1 783.8 690.1 196.8 105.3 32,2 26.9 lo.? 14.1 2.2.6 204.9 16.9 

white 3a .5 764.7 740.7 .. 140.6 42.9 27.1 9.1 .. .. 233.4 21.2 

Nonwhite-. 26.5 800.6 659.1 227.3 S6 .4 20.1 15.4 31.6 13.4 169.5 9.5.2 

Rmti 25.2 759.0 525.1 2s6.1 8s.7 23.6 13.5 13..7 3.2.6 3.7:6 166.2 14.7 

Nhite 34.7 660.0 650.8 303.0 101.7 33.1 16.6 14.3 17.3 .19.5 241.1 19.0 

Nonwhite 22.7 706.9 456.9 283.4 62.3 23.5 12.2 31.o 12.4 2s .3 168.6 13.5 

M?tmpolitan ccnmtiefl------- 30.5 692.9 73.8.8 236.0 3.3.3.6 34.2 19.5 4.9 17.7 2s .4 22S.3 16.9 

Wlite 3a .4 875.0 1,000.0 .. 3.53.6 49.8 24.4 .. .. .. 257.0 21.3 

Nonwhite 26.3 916.7 571.4 296.3 68.4 27.8 16.9 .. .. 210.0 14.7 

Urbm 33.2 668.9 S66 .7 209.7 3.51.3 37.7 26.6 .. 19:; .. 230.8 19.2 

White 39.1 909.1 .. .. 195.4 54.5 29.8 0 .. .. 293.7 20.1 

Nonwhite 29.3 .. .. 279.1 29.4 24.6 .. .. X35 .0 3.8.6 

Wd-------------------------------- 25.8 .. .. .. m:; 28.2 .. .. .. 223.6 3-3.1 

White 3s .4 .. .. 0 .. .. .. .. .. .. 24.7 

Nonwhite 22.3 .. .. .. .. .. .. .. .. 250 :; 9.4 

J- Nomnetropo2.itancounties--------- 23.7 728.3 350.3 266.0 57.4 26.0 14.0 3.2.6 3.2.2 2.5.3 264.6 14.9 

hlllte 5s .2 S07 .7 S32 .9 2S1.3 103.4 32.6 20,5 M .5 14.3 16.7 233.2 19.2 

Nonwhite 23.2 697.0 503.6 263.3 82.5 24.1 3.2.3 11.9 3.1.7 Is .0 lm .3 

Urbm 28.2 6’64.2 700.0 191.9 90.7 26.4 13.3 15.3 I.1.1 .. 190.0 E:: 

Nhite---,-- 37.2 .. 611.1 .. 93.2 23.8 19.3 .. .. lss .3 22.3 

Normhite. - 25.2 769.2 750.0 194.0 86.7 27:; 10.1 14.1 2.91.7 3-5.5 

Wti-------------------------------- 23.2 73s.7 506.0 287,6 66.6 2s .4 14.1 22.0 ls :i 16 :i 2.s3.2 14.& 

Ni_Ate 

Nonwhite 

34.6 

22.7 

9C0.O 

679.2 

539.3 

429.9 

312.5 

279.3 

106.3 

61.1 _-&w 14.6 

U.4 

14.4 

11.9 

3.3.0 

1s .4 

249.0 

162.9 

16.4 1,13.6

2iOTE.—Pm definitions of areas, see Explanatory Notes. 

U. S, GOVERNMENT PRIN7ZNG C)FTICE IS6S o - 7176-147

REPORTS FROM THE NATIONAL CENTER FOR HEALTH STATISTICS 

Public Health Service Publication No. 1000 

Series 1. Programs and collection procedures 

\o. 1. Origin, Program, and Operation of the [J, S. National Health Survey. 35 cents 

so. ?. Health Survey Procedure: Concepts. Questionnaire Development, and I)efinitlons i“ the Health Intcwi(, n Suwey, 45 cr. nts, 

50. 3, Development and Maintenance of a National Inventory of Hospitals and Institutions, 25 cents. 

so. 4, Plan and Initial Program of the Heal(h Examination Survey. 

Sor,es Q, Data evaluation and methods research 

Xo. 1, Comparison of Two-Vision Testing Devices. 30 cents, 

x0. 2, Measurement of Personal Health Expenditures. 45ce”ls. 

NO. 3. Tho One-Hour Glucose Tolerance Test. 30 cents, 

so. 4. Comparison of Twoh{ethods of Constructing .4hridged Life Tables. 15 cents. 

so. 3. $n Index of Health: Mathematical Models. 25 cents, 

s“. 6. !teporting of Hospitalization in the Health Interview Survey. 

so. 7. Health Interview Responses Compared With Medical Records. 

XO. 8, Comparison of Hospitalization Reporting in Three Survey Procedures. 

so, 9. Cooperation in Health Examination Surveys. 

No. 10. Hospital Utilization in the Last Year of Life. 

Series 3. Analytical studies 

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+rles 4. Qm’umrnts and committee reports 

No reports to date. 

Serie+ 10. Data From the Health Interview Survey 

1. Icute Conditions, Inridence and Associated Disahillty. Lrnlted States. July 1961-June 196!2. 40 cents. 

so. 2. Family Income in Relation to Selected Health Characteristics, United States. 40 cents, 

10. 3. Length of Convalescence After Surgery, United State+. July 1960 -June 1961, 35 cents. 

so. . 4. Disability Days. United States, July 1961. J.ne 1962. 40 cents,


\o .5. Current Estimates From the Health lnter~, iew Survey. United States, July 1962. June 196:+. 33 cc”ts.


so: 6. lmpulrmcnts Due to Injury, by Class and Type of lccident, United States. July 19.59-June 1961. 25 rents


ho. 7. Disability Imong Persons in the Lalmr Force, hy f?mploym, ent Status, Un) ted States. July 1961-June 196?. 4( I cvnt -


\o. h. T\pc,,- of Injuries, lncidencc and .\ssociatcd Disability. United Scatc.s. July 1957 -J””e 1961. 3,1cen[>.


\(, !1 \lwlical Care. Health SIat.US , and Family Income, United States. 35 cents,


\,) IU, lc”te Conditions, Incidence and ,Associatcd Disability, Llnited States. July 1962-June 1963. +.5 cent...


S[). 11. Health Insurance Coverage, United States, July 19 fK?-June 1963. ?5 cents,


>;., ]~, Bed f)l~abllity Among the Chro”lca]ly Linli ted. united States. July 1957-June 1961. 45 cents.


No. 13. Current Estimates From the Health [“terview Survey. United States, July 1963-June 1964. .40 cents.


No. 14. IIlncss, Disability, and Hospitalization Among Vetsrans, United States, July 1957-June 1961. 35 cents,


No. 15. Acute Conditions, Incidence and Associated f)isabilily, United States, July 1963-June 1964. 40 cents.


No. 16. Health Insurance, Type of Insuring Organization and Multiple Coverage, United States, July 1962-June 1963, 35 cents,


No. 17. Chronic Conditions and ,4ct,ivity Limitations, United States, July 1961-June 1963. 35 cents.


Series 11. Data From the Health Examination Survey 

w 0, 1. Cyclr ] of the Health Examination Survey: Sample a“d Response, United $it,ates. 1960.1962. 30 cents, 

No, 2, Glucose Tolerance of .4dults, United States, 1960.1962. 25 cents. 

No, 3. Binocular Visual Acuity of Adults, United States, 1960-1962. 25 cents. 

No, 4. Fllwd Pressure of Adults, by Age and Sex, United States, 1960-1962, 35 cents, 

No. 5. Blood Pressure of 4duits, by Race and Region, United States, 1960-1962. !25 cents, 

No. 6. Heart Disease in Adults, United States, 1960-1962. 35 cents, 

No, 7. Selected Dental Findingsin Adults, United States, 1960 -196!2. 30 cents. 

No. 8. Weight. Height, and Selected Body Dimensions of .Adults, United States. 1960-1962. 

No. 9. Findingson the Serologic Test. for Syphilis in 4dults, [lnited States, 1960-1962. 

, 

Series 12. Data Fmm the Health Records Survey 

No report~ ta date. 

Series 20, Data on mortality 

No reports to date, 

Series 21. Data on natality. marriage, and divorce 

No. 1. N-atality Statistics .A”alysis, [Inited States, 1962. 45 cents.


No. !?. Demographic Characteris.icso fPersonsMarried BetweenJanuary 1955 :,nd Ju”e 193S. [’n[ted States. Si cents.


No. 3. \\’eighl at Birth and Surviwi of the Ncwtmr”, L’nlted states, Earlv 1950. ‘. No. 4. Weight at Birth and Suriital of theh’e, !tx,rn, by Geographic Divisions and Crba” and Rural $rc.as. Cnlted $tntes. E:trl> I!).-,() 

No, .5. Wrighlat Pirth and Sur}iyal of the Newlxxn, by \geof!do[hermnd Tot81-Rirth Order, Uni[cd States, Earl) 19.X~. 

Xo, 6. Wwgh( at Birth md C’aust=of Peath i“ the~c.onatal Period. K’nited states, Earl} 1950. 

xc