| 1 | A | B | C | D | E | F | G | H | I | J |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | comparison of cohort and in-scope births, by selected birth and maternal characteristics, canada, 2004 to 2006 |  |  |  |  |  |  |  |  |  |
| 3 | birth and maternal characteristics | in-scope population |  | linkage rate | birth-census cohort |  | birth-census cohort |  | ratio | ratio |
| 4 |  | number | % distribution | % | number | % distribution | number | % distribution |  |  |
| 5 | total | 687,340 | 100.0 | 90.3 | 135,426 | 100.0 | 687,340 | 100.0 | 1.00 | 1.00 |
| 6 | type of birth |  |  |  |  |  |  |  |  |  |
| 7 | surviving to age 1 | 679,431 | 98.8 | 90.5 | 134,002 | 98.9 | 679,399 | 98.8 | 1.00 | 1.00 |
| 8 | stillbirth | 4,240 | 0.6 | 76.3 | 808 | 0.6 | 4,242 | 0.6 | 0.97 | 1.00 |
| 9 | infant death | 2,984 | 0.4 | 79.8 | 616 | 0.5 | 3,699 | 0.5 | 1.05 | 1.01 |
| 10 | infant death | 685 | 0.1 | 0.0 | 0 | 0.0 | 0 | 0.0 | .. | .. |
| 11 | province/territory of birth |  |  |  |  |  |  |  |  |  |
| 12 | newfoundland and labrador | 9,111 | 1.3 | 91.6 | 1,794 | 1.3 | 9,111 | 1.3 | 1.00 | 1.00 |
| 13 | prince edward island | 2,664 | 0.4 | 91.2 | 457 | 0.3 | 2,664 | 0.4 | 0.87 | 1.00 |
| 14 | nova scotia | 17,345 | 2.5 | 91.0 | 3,307 | 2.4 | 17,345 | 2.5 | 0.97 | 1.00 |
| 15 | new brunswick | 13,966 | 2.0 | 92.1 | 2,777 | 2.1 | 13,966 | 2.0 | 1.01 | 1.00 |
| 16 | quebec | 151,307 | 22.0 | 92.8 | 29,250 | 21.6 | 151,307 | 22.0 | 0.98 | 1.00 |
| 17 | ontario | 270,086 | 39.3 | 90.0 | 48,638 | 35.9 | 270,086 | 39.3 | 0.91 | 1.00 |
| 18 | manitoba | 29,247 | 4.3 | 90.3 | 8,584 | 6.3 | 29,247 | 4.3 | 1.49 | 1.00 |
| 19 | saskatchewan | 24,367 | 3.5 | 89.1 | 6,458 | 4.8 | 24,367 | 3.5 | 1.35 | 1.00 |
| 20 | alberta | 84,367 | 12.3 | 89.7 | 17,424 | 12.9 | 84,367 | 12.3 | 1.05 | 1.00 |
| 21 | british columbia | 81,970 | 11.9 | 86.9 | 15,026 | 11.1 | 81,970 | 11.9 | 0.93 | 1.00 |
| 22 | yukon | 685 | 0.1 | 91.1 | 266 | 0.2 | 685 | 0.1 | 1.97 | 1.00 |
| 23 | northwest territories | 1,452 | 0.2 | 87.3 | 825 | 0.6 | 1,452 | 0.2 | 2.88 | 1.00 |
| 24 | nunavut | 773 | 0.1 | 82.1 | 620 | 0.5 | 773 | 0.1 | 4.07 | 1.00 |
| 25 | postal code at birth |  |  |  |  |  |  |  |  |  |
| 26 | urban | 563,406 | 82.0 | 90.4 | 101,496 | 74.9 | 562,915 | 81.9 | 0.91 | 1.00 |
| 27 | rural | 120,245 | 17.5 | 90.6 | 32,970 | 24.3 | 121,907 | 17.7 | 1.39 | 1.01 |
| 28 | sex of child |  |  |  |  |  |  |  |  |  |
| 29 | male | 352,849 | 51.3 | 90.2 | 69,325 | 51.2 | 352,779 | 51.3 | 1.00 | 1.00 |
| 30 | female | 334,432 | 48.7 | 90.4 | 66,089 | 48.8 | 334,501 | 48.7 | 1.00 | 1.00 |
| 31 | year of birth |  |  |  |  |  |  |  |  |  |
| 32 | 2004 | 214,647 | 31.2 | 89.8 | 42,222 | 31.2 | 214,647 | 31.2 | 1.00 | 1.00 |
| 33 | 2005 | 344,654 | 50.1 | 90.3 | 67,670 | 50.0 | 344,654 | 50.1 | 1.00 | 1.00 |
| 34 | 2006 | 128,039 | 18.6 | 91.0 | 25,534 | 18.9 | 128,039 | 18.6 | 1.01 | 1.00 |
| 35 | maternal age group |  |  |  |  |  |  |  |  |  |
| 36 | younger than 20 | 28,203 | 4.1 | 77.3 | 6,736 | 5.0 | 28,218 | 4.1 | 1.21 | 1.00 |
| 37 | 20 to 24 | 110,969 | 16.1 | 85.1 | 22,460 | 16.6 | 111,082 | 16.2 | 1.03 | 1.00 |
| 38 | 25 to 29 | 211,655 | 30.8 | 91.0 | 41,381 | 30.6 | 211,889 | 30.8 | 0.99 | 1.00 |
| 39 | 30 to 34 | 215,677 | 31.4 | 92.8 | 41,603 | 30.7 | 215,913 | 31.4 | 0.98 | 1.00 |
| 40 | 35 to 39 | 99,497 | 14.5 | 93.0 | 19,346 | 14.3 | 99,633 | 14.5 | 0.99 | 1.00 |
| 41 | 40 to 44 | 19,446 | 2.8 | 92.4 | 3,691 | 2.7 | 19,443 | 2.8 | 0.96 | 1.00 |
| 42 | 45 or older | 859 | 0.1 | 91.4 | 165 | 0.1 | 870 | 0.1 | 0.97 | 1.01 |
| 43 | maternal place of birth |  |  |  |  |  |  |  |  |  |
| 44 | in canada | 502,649 | 73.1 | 92.0 | 104,535 | 77.2 | 514,031 | 74.8 | 1.06 | 1.02 |
| 45 | outside canada | 172,551 | 25.1 | 86.3 | 29,048 | 21.4 | 163,489 | 23.8 | 0.85 | 0.95 |
| 46 | single or multiple birth |  |  |  |  |  |  |  |  |  |
| 47 | single | 665,362 | 96.8 | 90.3 | 131,285 | 96.9 | 666,026 | 96.9 | 1.00 | 1.00 |
| 48 | twin | 20,452 | 3.0 | 91.3 | 4,007 | 3.0 | 20,472 | 3.0 | 0.99 | 1.00 |
| 49 | triplet or more | 841 | 0.1 | 91.0 | 134 | 0.1 | 842 | 0.1 | 0.81 | 1.00 |

Question: what is the percentage of in-scope birth records to all census records?
Answer: 90.3

Question: among all types of birth, what is the percentage of births surviving to age 1?
Answer: 90.5

Question: among all types of birth, what is the linkage rates for stillbirths?
Answer: 76.3

Question: among all types of birth, what is the linkage rates for infant deaths matched to a birth registration?
Answer: 79.8

Question: among all types of birth, what is the linkage rates for infant deaths not matched to a birth registration?
Answer: 0