Thank you, Your example works - I have 9.4 TS1M3 When I try with my own data, however, it is not working. I note that your dependent variable is r/n . Would this have any implications? The full code looks like this: proc genmod data=stigma4 descending ; class subid adependent (ref="0=No") time (ref="0") marstat_bl (ref="1=Married/living with partner") employ_bl (ref="1=Yes") educ9_bl (ref="0=No") msm2_bl (ref="2=N/A") suiclife_bl (ref="0=No") moddep (ref="0=No") supportmedian (ref="1=Yes") drug_dependent (ref="0=No")/param=ref ; model negimage_2 = adependent time marstat_bl employ_bl educ9_bl msm2_bl suiclife_bl moddep supportmedian drug_dependent mcs pcs hiv_yrs_bl ls_age_bl / dist=bin type3 link=logit lrci; output out = overallstd stdresdev=stdresdev p=predicted; repeated subject=subid/ type=ind corrw ;
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