CODEWITHSUNDEEP
sasstatisticsbioinformatics
ybao
ybao

Reputation: 147

Repeated subject multivariate regression in SAS: PROC GENMOD

I have patient eye data. Each eye is assigned EyeID and each patient is assigned PatientID. Each patient has 2 eyes. I am doing multivariate logistic regression with PROC GENMOD. To adjust for the fact that there are 2 eyes per patient, I used the option repeated subject=PatientID(EyeID). Is this correct?

I have pasted my code below. 

proc genmod data=test descend;
      class PatientID EyeID Explan1 Explan2 Explan3 / param=ref;
      model Therapy = Explan1 Explan2 Explan3/ dist=bin;
      repeated subject=PatientID(EyeID) / corr=unstr corrw;
   run;

Upvotes: 1

Views: 435

Answers (1)

Todd
Todd

Reputation: 46

My reputation is not high enough to comment but the following might be helpful to you since it deals both with repeated measures and the same research subject matter.

http://www2.sas.com/proceedings/sugi29/188-29.pdf

Upvotes: 1

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