### 1 ************************************************************************************************************ ************************************************************************************************************ Inland 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 Inland regional 316(b) statedpreference survey to survey non-respondents. Tests include the Student T-test, Mann-Whitney U Test (Wilcoxon Test), and ChiSquared Test of Proportions. Results were used in developing model weights. ************************************************************************************************************ ************************************************************************************************************

### 2 ************************************************************************************************** Inland Region - T-test for Age ************************************************************************************************** The TTEST Procedure Variable: age sample N Mean Std Dev Std Err Minimum Maximum main 767 53.7392 14.9246 0.5389 18.0000 92.0000 nonresponse 193 56.0777 16.5221 1.1893 18.0000 93.0000 Diff (1 - 2)

- 2.3385 15.2582 1.2287 sample Method Mean 95% CL Mean Std Dev 95% CL Std Dev main 53.7392 52.6814 54.7971 14.9246 14.2133 15.7115 nonresponse 56.0777 53.7320 58.4235 16.5221 15.0218 18.3578 Diff (1-2) Pooled -2.3385 -4.7498 0.0729 15.2582 14.6045 15.9735 Diff (1 -2) Satterthwaite

- 2.3385
- 4.9088 0.2319

Method Variances DF t Value Pr > |t| Pooled Equal 958
- 1.90 0.0573 Satterthwaite Unequal 276.02
- 1.79 0.0744

Equality of Variances Method Num DF Den DF F Value Pr > F Folded F 192 766 1.23 0.0659

### 3

### 4 ************************************************************************************************** Inland 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 195 104625.0 94575.0 2937.70999 536.538462 main 774 365340.0 375390.0 2937.70999 472.015504

Average scores were used for ties. Wilcoxon Two-Sample Test Statistic 104625.0000
Normal Approximation Z 3.4209 One -Sided Pr > Z 0.0003 Two-Sided Pr > |Z| 0.0006
t Approximation One -Sided Pr > Z 0.0003 Two-Sided Pr > |Z| 0.0007 Z includes a continuity correction of

0.5.
Kruskal -Wallis Test Chi- Square 11.7035 DF 1 Pr > Chi -Square 0.0006

### 5

### 6 ************************************************************************************************** Inland 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 500

51.60 64.60 83.33 274

28.28 35.40 74.25 774

79.88

nonresponse 100

10.32 51.28 16.67 95

9.80 48.72 25.75 195

20.12

Total 600

61.92 369

38.08 969

100.00

Statistics for Table of sample by gender Statistic DF Value Prob Chi-Square 1 11.7156 0.0006 Likelihood Ratio Chi -Square 1 11.4872 0.0007 Continuity Adj. Chi -Square 1 11.1576 0.0008 Mantel - Haenszel Chi - Square 1 11.7035 0.0006 Phi Coefficient 0.1100 Contingency Coefficient 0.1093 Cramer's V 0.1100

Fisher's Exact Test Cell (1,1) Frequency (F) 500 Left- sided Pr <= F 0.9997 Right-sided Pr >= F 4.648E
- 04
Table Probability (P) 2.077E
- 04 Two-sided Pr <= P 7.143E
- 04
Sample Size = 969

### 7 ************************************************************************************************** Inland 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 195 100936.0 93502.50 2894.23890 517.620513 main 763 358425.0 365858.50 2894.23890 469.757536

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 100936.0000
Normal Approximation Z 2.5682 One -Sided Pr > Z 0.0051 Two-Sided Pr > |Z| 0.0102
t Approximation One -Sided Pr > Z 0.0052 Two-Sided Pr > |Z| 0.0104 Z includes a continuity correction of

0.5.
Kruskal-Wallis Test Chi -Square 6.5966 DF 1 Pr > Chi- Square 0.0102

### 8

### 9 ************************************************************************************************** Inland 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 491

51.25 64.35 82.24 272

28.39 35.65 75.35 763

79.65

nonresponse 106

11.06 54.36 17.76 89

9.29 45.64 24.65 195

20.35

Total 597

62.32 361

37.68 958

100.00

Statistics for Table of sample by employ Statistic DF Value Prob Chi -Square 1 6.6035 0.0102 Likelihood Ratio Chi -Square 1 6.4947 0.0108 Continuity Adj. Chi - Square 1 6.1848 0.0129 Mantel - Haenszel Chi -Square 1 6.5966 0.0102 Phi Coefficient 0.0830 Contingency Coefficient 0.0827 Cramer's V 0.0830

Fisher's Exact Test Cell (1,1) Frequency (F) 491 Left-sided Pr <= F 0.9958 Right-sided Pr >= F 0.0068
Table Probability (P) 0.0025 Two-sided Pr <= P 0.0129
Sample Size = 958

### 10 ************************************************************************************************** Inland 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 194 91633.0 92926.0 1132.88352 472.335052 main 763 366770.0 365477.0 1132.88352 480.694626

Average scores were used for ties. Wilcoxon Two-Sample Test Statistic 91633.0000
Normal Approximation Z
- 1.1409 One -Sided Pr < Z 0.1270 Two -Sided Pr > |Z| 0.2539
t Approximation One -Sided Pr < Z 0.1271 Two -Sided Pr > |Z| 0.2542 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi -Square 1.3026 DF 1 Pr > Chi- Square 0.2537

### 11

### 12 ************************************************************************************************** Inland 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 26

2.72 3.41 72.22 737

77.01 96.59 80.02 763

79.73

nonresponse 10

1.04 5.15 27.78 184

19.23 94.85 19.98 194

20.27

Total 36

3.76 921

96.24 957

100.00

Statistics for Table of sample by hisp Statistic DF Value Prob Chi-Square 1 1.3040 0.2535 Likelihood Ratio Chi -Square 1 1.2079 0.2718 Continuity Adj. Chi - Square 1 0.8661 0.3520 Mantel - Haenszel Chi -Square 1 1.3026 0.2537 Phi Coefficient

- 0.0369 Contingency Coefficient 0.0369 Cramer's V

- 0.0369

Fisher's Exact Test Cell (1,1) Frequency (F) 26 Left-sided Pr <= F 0.1743 Right-sided Pr >= F 0.9081
Table Probability (P) 0.0824 Two-sided Pr <= P 0.2886
Sample Size = 957

### 13 ************************************************************************************************** Inland Region – Mann Whitney U Test (Wilcoxon) for Education ************************************************************************************************** The FREQ Procedure Frequency Percent Row Pct Col Pct Table of sample by education

sample education

1 2 3 4 5 6 9 Total main 14

1.45 1.82 43.75 129

13.37 16.80 70.11 106

10.98 13.80 80.30 188

19.48 24.48 83.19 172

17.82 22.40 81.52 159

16.48 20.70 88.83 0

0.00 0.00 0.00 768

79.59

nonresponse 18

1.87 9.14 56.25 55

5.70 27.92 29.89 26

2.69 13.20 19.70 38

3.94 19.29 16.81 39

4.04 19.80 18.48 20

2.07 10.15 11.17 1

0.10 0.51 100.00 197

20.41

Total 32

3.32 184 19.07 132

13.68 226

23.42 211

21.87 179

18.55 1

0.10 965 100.00

Statistics for Table of sample by education Statistic DF Value Prob Chi-Square 6 51.1012 <.0001 Likelihood Ratio Chi -Square 6 45.4015 <.0001 Mantel - Haenszel Chi - Square 1 30.0619 <.0001 Phi Coefficient 0.2301 Contingency Coefficient 0.2243 Cramer's V 0.2301

Sample Size = 965

### 14 ************************************************************************************************** Inland 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 9 Total main 14

1.45 1.82 43.75 129

13.37 16.80 70.11 106

10.98 13.80 80.30 188

19.48 24.48 83.19 172

17.82 22.40 81.52 159

16.48 20.70 88.83 0

0.00 0.00 0.00 768

79.59

nonresponse 18

1.87 9.14 56.25 55

5.70 27.92 29.89 26

2.69 13.20 19.70 38

3.94 19.29 16.81 39

4.04 19.80 18.48 20

2.07 10.15 11.17 1

0.10 0.51 100.00 197

20.41

Total 32

3.32 184 19.07 132

13.68 226

23.42 211

21.87 179

18.55 1

0.10 965 100.00

Statistics for Table of sample by education Statistic DF Value Prob Chi-Square 6 51.1012 <.0001 Likelihood Ratio Chi -Square 6 45.4015 <.0001 Mantel - Haenszel Chi - Square 1 30.0619 <.0001 Phi Coefficient 0.2301 Contingency Coefficient 0.2243 Cramer's V 0.2301

Sample Size = 965

### 15 ************************************************************************************************** Inland 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 197 98545.50 94757.0 3331.87745 500.230964 main 764 363695.50 367484.0 3331.87745 476.041230

Average scores were used for ties. Wilcoxon Two-Sample Test Statistic 98545.5000
Normal Approximation Z 1.1369 One -Sided Pr > Z 0.1278 Two -Sided Pr > |Z| 0.2556
t Approximation One -Sided Pr > Z 0.1279 Two -Sided Pr > |Z| 0.2559 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi -Square 1.2929 DF 1 Pr > Chi- Square 0.2555

### 16

### 17 ************************************************************************************************* Inland 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 39

4.06 5.10 81.25 70

7.28 9.16 86.42 182

18.94 23.82 79.82 202

21.02 26.44 77.99 271

28.20 35.47 78.55 764

79.50

nonresponse 9

0.94 4.57 18.75 11

1.14 5.58 13.58 46

4.79 23.35 20.18 57

5.93 28.93 22.01 74

7.70 37.56 21.45 197

20.50

Total 48

4.99 81

8.43 228 23.73 259

26.95 345

35.90 961

100.00

Statistics for Table of sample by aquatic Statistic DF Value Prob Chi -Square 4 3.0368 0.5517 Likelihood Ratio Chi -Square 4 3.2751 0.5129 Mantel - Haenszel Chi -Square 1 1.4939 0.2216 Phi Coefficient 0.0562 Contingency Coefficient 0.0561 Cramer's V 0.0562

Sample Size = 961

### 18 ************************************************************************************************* Inland 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 174 88467.0 77778.0 2629.54194 508.431034 main 719 310704.0 321393.0 2629.54194 432.133519 Average scores were used for ties. Wilcoxon Two-Sample Test Statistic 88467.0000 Normal Approximation Z 4.0648 One-Sided Pr > Z <.0001 Two-Sided Pr > |Z| <.0001 t Approximation One-Sided Pr > Z <.0001 Two-Sided Pr > |Z| <.0001 Z includes a continuity correction of 0.5.

Kruskal-Wallis Test Chi-Square 16.5240 DF 1 Pr > Chi-Square <.0001

### 19 ************************************************************************************************** Inland 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 | 346 | 373 | 719

| 38.75 | 41.77 | 80.52 | 48.12 | 51.88 | | 86.50 | 75.66 | ------------+--------+--------+ nonresponse | 54 | 120 | 174

| 6.05 | 13.44 | 19.48 | 31.03 | 68.97 | | 13.50 | 24.34 | ------------+--------+--------+ Total 400 493 893

44.79 55.21 100.00 Statistics for Table of sample by income_lt60k Statistic DF Value Prob

------------------------------------------------------ Chi-Square 1 16.5425 <.0001 Likelihood Ratio Chi-Square 1 16.9835 <.0001 Continuity Adj. Chi-Square 1 15.8587 <.0001 Mantel-Haenszel Chi-Square 1 16.5240 <.0001 Phi Coefficient 0.1361 Contingency Coefficient 0.1349 Cramer's V 0.1361
Fisher's Exact Test

---------------------------------- Cell (1,1) Frequency (F) 346 Left-sided Pr <= F 1.0000 Right-sided Pr >= F 2.786E-05 Table Probability (P) 1.485E-05 Two-sided Pr <= P 4.344E-05

Sample Size = 893

### 20 ************************************************************************************************** Inland 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 185 86817.50 86025.0 1820.49095 469.283784 main 744 345167.50 345960.0 1820.49095 463.934812

Average scores were used for ties.
Wilcoxon Two -Sample Test Statistic 86817.5000
Normal Approximation Z 0.4350 One -Sided Pr > Z 0.3318 Two -Sided Pr > |Z| 0.6635
t Approximation One -Sided Pr > Z 0.3318 Two -Sided Pr > |Z| 0.6636 Z includes a continuity correction

of 0.5.
Kruskal -Wallis Test Chi -Square 0.1895 DF 1 Pr > Chi- Square 0.6633

### 21

### 22 ************************************************************************************************** Inland 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 89

9.58 11.96 81.65 655

70.51 88.04 79.88 744

80.09

nonresponse 20

2.15 10.81 18.35 165

17.76 89.19 20.12 185

19.91

Total 109

11.73 820

88.27 929

100.00

Statistics for Table of sample by race_minor Statistic DF Value Prob Chi -Square 1 0.1897 0.6632 Likelihood Ratio Chi -Square 1 0.1931 0.6604 Continuity Adj. Chi - Square 1 0.0948 0.7581 Mantel - Haenszel Chi -Square 1 0.1895 0.6633 Phi Coefficient 0.0143 Contingency Coefficient 0.0143 Cramer's V 0.0143

Fisher's Exact Test Cell (1,1) Frequency (F) 89 Left-sided Pr <= F 0.7086 Right-sided Pr >= F 0.3860
Table Probability (P) 0.0946 Two-sided Pr <= P 0.7984
Sample Size = 929