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st: power calculation and sample size for logistic regression


From   "stata_user stata_user" <stata_dofile@hotmail.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: power calculation and sample size for logistic regression
Date   Mon, 07 May 2007 22:02:00 +0100

dear all,
I am looking for a stata command to calculate sample size to detect a significant odds ratios in logistic regression model for a 3 catgorical variable ( category 3 versus the reference), model includes also continuous and categorical variables.

Thanks in advance for help

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