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st: calculating relative risk


From   Sue Kim <sekim930@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: calculating relative risk
Date   Tue, 4 Dec 2007 14:46:24 -0800 (PST)

Hi. I have a binary outcome where the probability of
outcome is low so I want to get an adjusted relative
risk (rather than odds ratio) using glm.  When using
glm with fam(bin) link(log) command, I get a warning
"parameter estimates produce inadmissible mean
estimates in one or more observation". Could I still
use the results or is there a way to get around this
problem?
Thank you.
Sue




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