Interpret the code results: proc surveylogistic data=NAMCS_2010; strata CSTRATM; cluster CPSUM; class RACER MAJOR / param=ref; model NUMMED (ref='0') = RACER MAJOR TOTCHRON / link=CLOGIT; weight PATWT; run; TIMEMD Time spent with physician in minutes MED Indicator of currently taking medication 0=NO 1=Yes SEX 1=Female, 2=Male AGE Patient age TOTCHRON Total number of chronic conditions MAJOR Primary reason for visit. 1=newproblem, 2=chronic problem routine, 3=chronic problem flare up, 4=pre/post surgery, 5=Prventive care SOLO Solo physician practice 1=yes, 2=no RACER Patient race: 1=white, 2=black, 3=other NUMMED Number of medications coded: 0-2; Results: Odds Ratio Estimates Effect Point Estimate 95% Confidence Limits RACER 1 vs 3 0.648 0.486 0.865 RACER 2 vs 3 0.569 0.416 0.779 MAJOR 1 vs 5 0.739 0.639 0.856 MAJOR 2 vs 5 0.548 0.449 0.667 MAJOR 3 vs 5 0.624 0.524 0.743 MAJOR 4 vs 5 1.771 1.383 2.270 TOTCHRON 0.750 0.708 0.793 NOTE: The degrees of freedom in computing the confidence limits is 552. Association of Predicted Probabilities and Observed Responses Percent Concordant 62.9 Somers' D 0.314 Percent Discordant 31.6 Gamma 0.332 Percent Tied 5.5 Tau-a 0.192 Pairs 298620406 c 0.657