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st: nlcom interaction ologit


From   "INAGAMI,SANAE " <sinagami@ucla.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: nlcom interaction ologit
Date   Thu, 07 Apr 2005 13:30:38 -0700

Questions regarding nlcom.
I used nlcom to calculate RRR and CI's of an ologit regression using
gllamm for multilevel models.

1)  My sample was not a random sample.  It oversampled certain
populations.  Can I still use nlcom to calculate CI's on predicted
probabilities in multilevel ordered logistic regresssions using gllamm?

2)  Assuming the answer is yes...Having used the syntax that M.Ingre so
kindly provided...can I add the effect of another covariate into the
model. i.e.
calculate the predicted probability of levels of income
if female=1 vs if female=0.

now calcuate the predicted probability of levels of income
if female=1 and owns car=1 vs. if female=0

the code works...but is it ok methodology.
thanks.
sanae
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