Hypothesistest-results

Monday, July 17, 2023 05:16:27 PM 1 The TTEST Procedure Variable: MAGE N Mean Std Dev Std Err Minimum Maximum 1450 26.7586 6.0973 0.1601 13.0000 43.0000 Mean 95% CL Mean Std Dev 95% CL Std Dev 26.7586 26.4951 Infty 6.0973 5.8832 6.3277 DF t Value Pr > t 1449 10.98 <.0001 With 95% Upper Confidence Interval for Mean Distribution of MAGE 95% Confidence 0.0 2.5 5.0 7.5 10.0 12.5 Percent 0.0 2.5 5.0 7.5 10.0 12.5 Percent Kernel Normal 10 20 30 40 50 MAGE

Monday, July 17, 2023 05:16:27 PM 2 The TTEST Procedure Variable: MAGE -2 0 2 Quantile 10 20 30 40 50 MAGE Q-Q Plot of MAGE

Monday, July 17, 2023 05:16:27 PM 3 Obs tc 1 1.64591

Monday, July 17, 2023 05:16:27 PM 4 The TTEST Procedure Variable: WEEKS N Mean Std Dev Std Err Minimum Maximum 1449 38.6211 2.6991 0.0709 22.0000 45.0000 Mean 5% CL Mean Std Dev 5% CL Std Dev 38.6211 -Infty 38.5044 2.6991 2.6966 2.7029 DF t Value Pr < t 1448 -5.34 <.0001 With 5% Lower Confidence Interval for Mean Distribution of WEEKS 5% Confidence 0 10 20 30 40 Percent 0 10 20 30 40 Percent Kernel Normal 20 30 40 WEEKS

Monday, July 17, 2023 05:16:27 PM 5 The TTEST Procedure Variable: WEEKS -2 0 2 Quantile 25 30 35 40 45 WEEKS Q-Q Plot of WEEKS

Monday, July 17, 2023 05:16:27 PM 6 The TTEST Procedure Variable: TOUNCES N Mean Std Dev Std Err Minimum Maximum 1450 116.2 22.3272 0.5863 12.0000 181.0 Mean 5% CL Mean Std Dev 5% CL Std Dev 116.2 117.2 Infty 22.3272 22.3064 22.3584 DF t Value Pr > t 1449 7.24 <.0001 With 5% Upper Confidence Interval for Mean Distribution of TOUNCES 5% Confidence 0 5 10 15 20 Percent 0 5 10 15 20 Percent Kernel Normal 0 50 100 150 200 TOUNCES

Monday, July 17, 2023 05:16:27 PM 7 The TTEST Procedure Variable: TOUNCES -2 0 2 Quantile 0 50 100 150 200 TOUNCES Q-Q Plot of TOUNCES

Monday, July 17, 2023 05:16:27 PM 8 0 1 SMOKE 0 50 100 150 TOUNCES Tounces by smoke

Tounces by smoke Monday, July 17, 2023 05:16:27 PM 9 The FREQ Procedure LOW Frequency Percent Cumulative Frequency Cumulative Percent 0 1325 91.38 1325 91.38 1 125 8.62 1450 100.00 Binomial Proportion LOW = 0 Proportion 0.9138 ASE 0.0074 95% Lower Conf Limit 0.8993 95% Upper Conf Limit 0.9282 Exact Conf Limits 95% Lower Conf Limit 0.8981 95% Upper Conf Limit 0.9277 Test of H0: Proportion = 0.06 ASE under H0 0.0062 Z 136.8980 One-sided Pr > Z <.0001 Two-sided Pr > |Z| <.0001 Sample Size = 1450

Tounces by smoke Monday, July 17, 2023 05:16:27 PM 10 The FREQ Procedure SMOKE Frequency Percent Cumulative Frequency Cumulative Percent 0 1236 85.54 1236 85.54 1 209 14.46 1445 100.00 Frequency Missing = 5 Binomial Proportion SMOKE = 0 Proportion 0.8554 ASE 0.0093 95% Lower Conf Limit 0.8372 95% Upper Conf Limit 0.8735 Exact Conf Limits 95% Lower Conf Limit 0.8362 95% Upper Conf Limit 0.8731 Test of H0: Proportion = 0.1 ASE under H0 0.0079 Z 95.7125 One-sided Pr > Z <.0001 Two-sided Pr > |Z| <.0001 Sample Size = 1445 Frequency Missing = 5

Tounces by smoke Monday, July 17, 2023 05:16:27 PM 11 The FREQ Procedure Frequency Percent Row Pct Col Pct Table of SMOKE by LOW SMOKE LOW 0 1 Total 0 1138 78.75 92.07 86.21 98 6.78 7.93 78.40 1236 85.54 1 182 12.60 87.08 13.79 27 1.87 12.92 21.60 209 14.46 Total 1320 91.35 125 8.65 1445 100.00 Frequency Missing = 5 Statistics for Table of SMOKE by LOW Column 1 Risk Estimates Risk ASE 95% Confidence Limits Exact 95% Confidence Limits Row 1 0.9207 0.0077 0.9056 0.9358 0.9042 0.9352 Row 2 0.8708 0.0232 0.8253 0.9163 0.8176 0.9131 Total 0.9135 0.0074 0.8990 0.9280 0.8978 0.9275 Difference 0.0499 0.0244 0.0020 0.0978 Difference is (Row 1 - Row 2) Risk Difference Test H0: P1 - P2 = 0 Wald Method Risk Difference 0.0499 ASE (H0) 0.0210 Z 2.3734 One-sided Pr > Z 0.0088 Two-sided Pr > |Z| 0.0176 Column 1 (LOW = 0)

Tounces by smoke Monday, July 17, 2023 05:16:27 PM 12 The FREQ Procedure Statistics for Table of SMOKE by LOW Column 2 Risk Estimates Risk ASE 95% Confidence Limits Exact 95% Confidence Limits Row 1 0.0793 0.0077 0.0642 0.0944 0.0648 0.0958 Row 2 0.1292 0.0232 0.0837 0.1747 0.0869 0.1824 Total 0.0865 0.0074 0.0720 0.1010 0.0725 0.1022 Difference -0.0499 0.0244 -0.0978 -0.0020 Difference is (Row 1 - Row 2) Sample Size = 1445 Frequency Missing = 5

Tounces by smoke Monday, July 17, 2023 05:16:27 PM 13 The FREQ Procedure Frequency Percent Row Pct Col Pct Table of LOW by RACEMOM LOW RACEMOM 1 2 3 4 7 8 Total 0 991 68.34 74.79 92.62 289 19.93 21.81 87.05 20 1.38 1.51 90.91 2 0.14 0.15 100.00 1 0.07 0.08 100.00 22 1.52 1.66 95.65 1325 91.38 1 79 5.45 63.20 7.38 43 2.97 34.40 12.95 2 0.14 1.60 9.09 0 0.00 0.00 0.00 0 0.00 0.00 0.00 1 0.07 0.80 4.35 125 8.62 Total 1070 73.79 332 22.90 22 1.52 2 0.14 1 0.07 23 1.59 1450 100.00 Statistics for Table of LOW by RACEMOM Statistic DF Value Prob Chi-Square 5 10.8082 0.0553 Likelihood Ratio Chi-Square 5 10.3082 0.0670 Mantel-Haenszel Chi-Square 1 0.4054 0.5243 Phi Coefficient 0.0863 Contingency Coefficient 0.0860 Cramer's V 0.0863 WARNING: 50% of the cells have expected counts less than 5. Chi-Square may not be a valid test. Sample Size = 1450