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Re: st: Correcting for bonferroni in logictic regression

From   Maarten Buis <>
Subject   Re: st: Correcting for bonferroni in logictic regression
Date   Thu, 24 May 2012 14:48:02 +0200

On Thu, May 24, 2012 at 2:36 PM, Amal Khanolkar wrote:
> I'm currently running logistic models, where my exposure variable has 20 categories. The model also includes another 4 potential confounders, some with 2-4 categories. Due to the high chance of multiple testing - I would like to know:
> 1. how one may correct for the same in Stata using Bonferroni's correction and

You can do so by rejecting the null hypotheses if the p-value is less
than a/k instead of a, whereby a is the significance level of your
choice --- typically .05 --- and k is the number of tests.

> 2. if the same can also be applied for polytomous regression (mlogit).


Hope this helps,

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
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