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st: Rescaling odds ratios


From   BARTHRILEY@comcast.net
To   statalist@hsphsun2.harvard.edu
Subject   st: Rescaling odds ratios
Date   Thu, 22 May 2008 19:46:51 +0000

Dear Statalist
 
I am performing a logistic regression using xtlogit. Some of my predictors are measured in days of treatment. Is there a way to recalculate the OR for a different unit of days, i.e., 30 days of treatment? Or would I have to transform the variable (e.g., dividing the per day variable by 30)?
 
Thanks
 
Barth
 



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