### 1 ************************************************************************************************************ ************************************************************************************************************ Southeast Region_NR_Tests.docx Author: Abt Associates Inc. Created: 6/7/12 Updated: 7/5/12 Purpose: This file presents output from SAS code which compares characteristics of respondents to the Southeast regional 316(b) stated preference survey to survey non-respondents. Tests include the Student T-test, Mann-Whitney U Test (Wilcoxon Test), and Chi-Squared Test of Proportions. Results were used in developing model weights. ************************************************************************************************************ ************************************************************************************************************

### 2 ************************************************************************************************** Southeast Region - T-test for Age ************************************************************************************************** The TTEST Procedure Variable: age sample N Mean Std Dev Std Err Minimum Maximum main 475 54.2821 14.6375 0.6716 18.0000 91.0000 nonresponse 148 56.5811 16.5821 1.3630 18.0000 93.0000 Diff (1 - 2)

- 2.2990 15.1205 1.4234 sample Method Mean 95% CL Mean Std Dev 95% CL Std Dev main 54.2821 52.9624 55.6018 14.6375 13.7622 15.6328 nonresponse 56.5811 53.8874 59.2748 16.5821 14.8839 18.7212 Diff (1 -2) Pooled

- 2.2990
- 5.0943 0.4963 15.1205 14.3243 16.0110 Diff (1 -2) Satterthwaite

- 2.2990
- 5.2934 0.6955

Method Variances DF t Value Pr > |t| Pooled Equal 621
- 1.62 0.1068 Satterthwaite Unequal 222.97
- 1.51 0.1317

Equality of Variances Method Num DF Den DF F Value Pr > F Folded F 147 474 1.28 0.0536

### 3

### 4 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Gender ************************************************************************************************** The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable gender

Classified by Variable sample sample N Sum of

Scores Expected Under H0 Std Dev

Under H0 Mean

Score nonresponse 152 53635.0 47956.0 1667.68438 352.861842 main 478 145130.0 150809.0 1667.68438 303.619247

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 53635.0000
Normal Approximation Z 3.4050 One -Sided Pr > Z 0.0003 Two -Sided Pr > |Z| 0.0007
t Approximation One-Sided Pr > Z 0.0004 Two-Sided Pr > |Z| 0.0007 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi- Square 11.5962 DF 1 Pr > Chi -Square 0.0007

### 5

### 6 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Gender ************************************************************************************************** The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by gender

sample gender

male female Total main 298

47.30 62.34 80.76 180

28.57 37.66 68.97 478

75.87

nonresponse 71

11.27 46.71 19.24 81

12.86 53.29 31.03 152

24.13

Total 369

58.57 261

41.43 630

100.00

Statistics for Table of sample by gender Statistic DF Value Prob Chi -Square 1 11.6146 0.0007 Likelihood Ratio Chi -Square 1 11.4853 0.0007 Continuity Adj. Chi -Square 1 10.9793 0.0009 Mantel - Haenszel Chi - Square 1 11.5962 0.0007 Phi Coefficient 0.1358 Contingency Coefficient 0.1345 Cramer's V 0.1358

Fisher's Exact Test Cell (1,1) Frequency (F) 298 Left-sided Pr <= F 0.9998 Right-sided Pr >= F 4.888E-04
Table Probability (P) 2.423E
- 04 Two-sided Pr <= P 9.024E
- 04
Sample Size = 630

### 7 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Employment **************************************************************************************************
The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable employ

Classified by Variable sample sample N Sum of

Scores Expected Under H0 Std Dev

Under H0 Mean

Score nonresponse 152 48572.0 48108.0 1672.07549 319.552632 main 480 151456.0 151920.0 1672.07549 315.533333

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 48572.0000
Normal Approximation Z 0.2772 One -Sided Pr > Z 0.3908 Two -Sided Pr > |Z| 0.7816
t Approximation One -Sided Pr > Z 0.3909 Two -Sided Pr > |Z| 0.7817 Z includes a continuity correction

of 0.5.
Kruskal-Wallis Test Chi -Square 0.0770 DF 1 Pr > Chi- Square 0.7814

### 8

### 9 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Employment **************************************************************************************************
The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by employ

sample employ

employed unemployed Total main 284

44.94 59.17 76.34 196

31.01 40.83 75.38 480

75.95

nonresponse 88

13.92 57.89 23.66 64

10.13 42.11 24.62 152

24.05

Total 372

58.86 260

41.14 632

100.00
Statistics for Table of sample by employ Statistic DF Value Prob Chi -Square 1 0.0771 0.7812 Likelihood Ratio Chi -Square 1 0.0770 0.7814 Continuity Adj. Chi - Square 1 0.0335 0.8547 Mantel - Haenszel Chi -Square 1 0.0770 0.7814 Phi Coefficient 0.0110 Contingency Coefficient 0.0110 Cramer's V 0.0110

Fisher's Exact Test Cell (1,1) Frequency (F) 284 Left-sided Pr <= F 0.6461 Right-sided Pr >= F 0.4263
Table Probability (P) 0.0723 Two-sided Pr <= P 0.7776
Sample Size = 632

### 10 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Hispanic/Latino ************************************************************************************************** The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable hisp Classified by Variable sample sample N Sum of Scores Expected

Under H0 Std Dev

Under H0 Mean

Score nonresponse 151 47324.50 47338.50 1001.61466 313.407285 main 475 148926.50 148912.50 1001.61466 313.529474

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 47324.5000
Normal Approximation Z
- 0.0135 One-Sided Pr < Z 0.4946 Two-Sided Pr > |Z| 0.9892
t Approximation One -Sided Pr < Z 0.4946 Two -Sided Pr > |Z| 0.9893 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi -Square 0.0002 DF 1 Pr > Chi-Square 0.9888

### 11

### 12 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Hispanic/Latino ************************************************************************************************** The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by hisp

sample hisp

hispanic nothispanic Total main 47

7.51 9.89 75.81 428

68.37 90.11 75.89 475

75.88

nonresponse 15

2.40 9.93 24.19 136

21.73 90.07 24.11 151

24.12

Total 62

9.90 564

90.10 626

100.00

Statistics for Table of sample by hisp Statistic DF Value Prob Chi -Square 1 0.0002 0.9888 Likelihood Ratio Chi -Square 1 0.0002 0.9888 Continuity Adj. Chi - Square 1 0.0000 1.0000 Mantel - Haenszel Chi -Square 1 0.0002 0.9888 Phi Coefficient

- 0.0006 Contingency Coefficient 0.0006 Cramer's V

- 0.0006

Fisher's Exact Test Cell (1,1) Frequency (F) 47 Left-sided Pr <= F 0.5480 Right-sided Pr >= F 0.5759
Table Probability (P) 0.1239 Two-sided Pr <= P 1.0000
Sample Size = 626

### 13 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Education ************************************************************************************************** The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable education

Classified by Variable sample sample N Sum of Scores Expected

Under H0 Std Dev

Under H0 Mean

Score nonresponse 151 43473.50 47791.50 1918.81832 287.903974 main 481 156554.50 152236.50 1918.81832 325.477131

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 43473.5000
Normal Approximation Z
- 2.2501 One-Sided Pr < Z 0.0122 Two-Sided Pr > |Z| 0.0244
t Approximation One -Sided Pr < Z 0.0124 Two -Sided Pr > |Z| 0.0248 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi -Square 5.0640 DF 1 Pr > Chi-Square 0.0244

### 14

### 15 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Education ************************************************************************************************** The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by education

sample education

1 2 3 4 5 6 8 Total main 21

3.32 4.37 72.41 77

12.18 16.01 66.96 55

8.70 11.43 70.51 116

18.35 24.12 79.45 124

19.62 25.78 84.93 88

13.92 18.30 75.21 0

0.00 0.00 0.00 481

76.11

nonresponse 8

1.27 5.30 27.59 38

6.01 25.17 33.04 23

3.64 15.23 29.49 30

4.75 19.87 20.55 22

3.48 14.57 15.07 29

4.59 19.21 24.79 1

0.16 0.66 100.00 151

23.89

Total 29

4.59 115 18.20 78

12.34 146

23.10 146

23.10 117

18.51 1

0.16 632 100.00

Statistics for Table of sample by education Statistic DF Value Prob Chi-Square 6 17.2428 0.0084 Likelihood Ratio Chi -Square 6 17.1722 0.0087 Mantel - Haenszel Chi - Square 1 5.0837 0.0242 Phi Coefficient 0.1652 Contingency Coefficient 0.1630 Cramer's V 0.1652

Sample Size = 632

### 16 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Importance of Aquatic Ecosystems ************************************************************************************************** The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable aquatic

Classified by Variable sample sample N Sum of Scores Expected Under H0 Std Dev

Under H0 Mean

Score nonresponse 148 48740.50 46916.0 1839.48930 329.327703 main 485 151920.50 153745.0 1839.48930 313.238144

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 48740.5000
Normal Approximation Z 0.9916 One -Sided Pr > Z 0.1607 Two -Sided Pr > |Z| 0.3214
t Approximation One -Sided Pr > Z 0.1609 Two -Sided Pr > |Z| 0.3218 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi -Square 0.9838 DF 1 Pr > Chi- Square 0.3213

### 17

### 18 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Importance of Aquatic Ecosystems ************************************************************************************************** The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by aquatic

sample aquatic

1 2 3 4 5 Total main 27

4.27 5.57 75.00 34

5.37 7.01 91.89 97

15.32 20.00 75.78 118

18.64 24.33 76.62 209

33.02 43.09 75.18 485

76.62

nonresponse 9

1.42 6.08 25.00 3

0.47 2.03 8.11 31

4.90 20.95 24.22 36

5.69 24.32 23.38 69

10.90 46.62 24.82 148

23.38

Total 36

5.69 37

5.85 128 20.22 154

24.33 278

43.92 633

100.00
Statistics for Table of sample by aquatic Statistic DF Value Prob Chi -Square 4 5.2420 0.2634 Likelihood Ratio Chi-Square 4 6.4244 0.1696 Mantel-Haenszel Chi-Square 1 0.9908 0.3196 Phi Coefficient 0.0910 Contingency Coefficient 0.0906 Cramer's V 0.0910

Sample Size = 633

### 19 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Income less than 60k ************************************************************************************************** The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable income_lt60k

Classified by Variable sample Sum of Expected Std Dev Mean sample N Scores Under H0 Under H0 Score

--------------------------------------------------------------------------- nonresponse 134 40271.0 39262.0 1485.66022 300.529851 main 451 131134.0 132143.0 1485.66022 290.762749 Average scores were used for ties. Wilcoxon Two-Sample Test Statistic 40271.0000 Normal Approximation Z 0.6788 One-Sided Pr > Z 0.2486 Two-Sided Pr > |Z| 0.4973 t Approximation One-Sided Pr > Z 0.2488 Two-Sided Pr > |Z| 0.4975 Z includes a continuity correction of 0.5.

Kruskal-Wallis Test Chi-Square 0.4613 DF 1 Pr > Chi-Square 0.4970

### 20 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Income less than 60k ************************************************************************************************** The FREQ Procedure Table of sample by income_lt60k sample income_lt60k Frequency | Percent | Row Pct | Col Pct | 0| 1| Total ------------+--------+--------+ main | 217 | 234 | 451

| 37.09 | 40.00 | 77.09 | 48.12 | 51.88 | | 78.34 | 75.97 | ------------+--------+--------+ nonresponse | 60 | 74 | 134

| 10.26 | 12.65 | 22.91 | 44.78 | 55.22 | | 21.66 | 24.03 | ------------+--------+--------+ Total 277 308 585

47.35 52.65 100.00 Statistics for Table of sample by income_lt60k Statistic DF Value Prob

------------------------------------------------------ Chi-Square 1 0.4620 0.4967 Likelihood Ratio Chi-Square 1 0.4628 0.4963 Continuity Adj. Chi-Square 1 0.3378 0.5611 Mantel-Haenszel Chi-Square 1 0.4613 0.4970 Phi Coefficient 0.0281 Contingency Coefficient 0.0281 Cramer's V 0.0281

Fisher's Exact Test

---------------------------------- Cell (1,1) Frequency (F) 217 Left-sided Pr <= F 0.7816 Right-sided Pr >= F 0.2808 Table Probability (P) 0.0625 Two-sided Pr <= P 0.5545

Sample Size = 585

### 21 ************************************************************************************************** Southeast Region – Mann Whitney U Test (Wilcoxon) for Race (minority) ************************************************************************************************** The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable race_minor

Classified by Variable sample sample N Sum of

Scores Expected Under H0 Std Dev

Under H0 Mean

Score nonresponse 146 44231.0 44457.0 1298.91839 302.952055 main 462 140905.0 140679.0 1298.91839 304.989177

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 44231.0000
Normal Approximation Z
- 0.1736 One -Sided Pr < Z 0.4311 Two -Sided Pr > |Z| 0.8622
t Approximation One -Sided Pr < Z 0.4311 Two -Sided Pr > |Z| 0.8622 Z includes a continuity correction

of 0.5.
Kruskal-Wallis Test Chi -Square 0.0303 DF 1 Pr > Chi- Square 0.8619

### 22

### 23 ************************************************************************************************** Southeast Region – Chi-Squared Test of Proportions for Race (minority) ************************************************************************************************** The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by race_minor

sample race_minor

minor white Total main 95

15.63 20.56 75.40 367

60.36 79.44 76.14 462

75.99

nonresponse 31

5.10 21.23 24.60 115

18.91 78.77 23.86 146

24.01

Total 126

20.72 482

79.28 608

100.00

Statistics for Table of sample by race_minor Statistic DF Value Prob Chi -Square 1 0.0303 0.8618 Likelihood Ratio Chi -Square 1 0.0302 0.8620 Continuity Adj. Chi - Square 1 0.0033 0.9545 Mantel - Haenszel Chi -Square 1 0.0303 0.8619 Phi Coefficient

- 0.0071 Contingency Coefficient 0.0071 Cramer's V

- 0.0071

Fisher's Exact Test Cell (1,1) Frequency (F) 95 Left-sided Pr <= F 0.4725 Right-sided Pr >= F 0.6187
Table Probability (P) 0.0912 Two-sided Pr <= P 0.9068
Sample Size = 608