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st: match case-control studies


From   "Patrick Mcelduff" <Patrick.Mcelduff@man.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: match case-control studies
Date   Thu, 5 Dec 2002 09:40:44 +0000

Dear all

In a recent publication the authors were analysing a matched case-
control study and they stated "We used the random effects logistic 
regression procedure (xtlogit) in the software package Stata, which 
allows the inclusion of all the data, including those cases with no 
controls."

I imagine that in a longitudinal analysis with only two time points it 
makes sense to include subjects with only one measurement 
because the xtlogit command gives a weighted average of the 
cross-sectional and longitudinal effects - but does this make sense 
for a matched case-control study?

Thanks for your help
Patrick
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