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st: comparing coefficients

From   Ricardo Ovaldia <>
Subject   st: comparing coefficients
Date   Mon, 30 Aug 2004 12:24:43 -0700 (PDT)

This question may have been asked and answered before,
but I could not find it in the archives.

If I fit two logistic models, less say one for males
and one for females, than include the same 5
covariates and one exposure variable, less say number
of cigarettes smoked per day. How can I test if the
odd ratios (coefficients) for the exposure variable
(number smoked)are the same in the two models?

Thank you in advance,


Ricardo Ovaldia, MS
Oklahoma City, OK

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