I am conducting a matched case control study with 1:m matching with a multinomial outcome. I know I can conduct conditional logitic regression in proc logistic with the strata statement and I can conduct a multinomal regression with the link=glogit statement. However, they seem to not be compatible with each other in proc logistic. Is there a way to do this analysis in SAS? Any help would be greatly appreciated.
The conditional model isn't possible, but you can model clustered, multinomial data using PROC GEE or using PROC SURVEYLOGISTIC with a CLUSTER statement. Both allow you to fit the model without having to estimate cluster-specific parameters.
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