I am trying to run the code below for SAS 9.4.   Does anyone see any errors that would prevent me for setting reference values as shown?   proc logistic data=XXX; by female; class Health_Lit (ref='0') InsuranceType (ref='2') / order=internal; model Medadh_c3 (descending) = PHQ8 GAD7 BL_PSS CIRS Health_Lit InsuranceType / link=glogit; run;   Thank you, LG ... View more