Model 1 proc logistic data=framing descending; model chd01 = age; - PDF document

Model 1 proc logistic data=framing descending; model chd01 = age; run; Model Information Data Set WORK.FRAMING Response Variable chd01 Number of Response Levels 2 Model binary logit Optimization Technique Fisher's scoring Number of Observations Read 1406 Number of Observations Used 1363 Response Profile Ordered Total Value chd01 Frequency 1 1 268 2 0 1095 Probability modeled is chd01=1. Note: 43 observations were deleted due to missing values for the response or explanatory variables. Model Convergence Status Convergence criterion (GCONV=1E-8) satisfied. Model Fit Statistics Intercept Intercept and Criterion Only Covariates AIC 1353.246 1334.165 SC 1358.463 1344.600 -2 Log L 1351.246 1330.165 1

Testing Global Null Hypothesis: BETA=0 Test Chi-Square DF Pr > ChiSq Likelihood Ratio 21.0810 1 <.0001 Score 21.0467 1 <.0001 Wald 20.6991 1 <.0001 Analysis of Maximum Likelihood Estimates Standard Wald Parameter DF Estimate Error Chi-Square Pr > ChiSq 1 -4.8843 0.7737 39.8507 <.0001 Intercept 1 0.0658 0.0145 20.6991 <.0001 age Odds Ratio Estimates Point 95% Wald Effect Estimate Confidence Limits age 1.068 1.038 1.099 Association of Predicted Probabilities and Observed Responses Percent Concordant 56.2 Somers' D 0.181 Percent Discordant 38.1 Gamma 0.192 5.7 Tau-a 0.057 Percent Tied 293460 c 0.590 Pairs 2

Model 2 proc logistic data=framing descending; model chd01 = age age*age; run; Model Information WORK.FRAMING Data Set Response Variable chd01 Number of Response Levels 2 Model binary logit Optimization Technique Fisher's scoring Number of Observations Read 1406 Number of Observations Used 1363 Response Profile Ordered Total Value chd01 Frequency 1 1 268 2 0 1095 Probability modeled is chd01=1. Note: 43 observations were deleted due to missing values for the response or explanatory variables. Model Convergence Status Convergence criterion (GCONV=1E-8) satisfied. 3

Model Fit Statistics Intercept Intercept and Criterion Only Covariates 1353.246 1336.164 AIC SC 1358.463 1351.816 -2 Log L 1351.246 1330.164 Testing Global Null Hypothesis: BETA=0 Test Chi-Square DF Pr > ChiSq Likelihood Ratio 21.0815 2 <.0001 Score 21.2273 2 <.0001 Wald 20.7181 2 <.0001 Analysis of Maximum Likelihood Estimates Standard Wald Parameter DF Estimate Error Chi-Square Pr > ChiSq 1 -4.6723 9.0295 0.2677 0.6048 Intercept 1 0.0577 0.3424 0.0284 0.8661 age age*age 1 0.000076 0.00323 0.0006 0.9812 Association of Predicted Probabilities and Observed Responses Percent Concordant 56.2 Somers' D 0.181 Percent Discordant 38.1 Gamma 0.192 Percent Tied 5.7 Tau-a 0.057 Pairs 293460 c 0.590 4