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Re: st: computing odds ratios for models with interraction terms


From   Nikolaos Pandis <npandis@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: computing odds ratios for models with interraction terms
Date   Thu, 5 May 2011 21:50:46 -0700 (PDT)

Ann,

you can use the -lincom- command to calculate what you need.

Nick

--- On Fri, 5/6/11, Fitzmaurice, Ann E. <a.e.fitzmaurice@abdn.ac.uk> wrote:


From: Fitzmaurice, Ann E. <a.e.fitzmaurice@abdn.ac.uk>
Subject: st: computing odds ratios for models with interraction terms
To: "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Date: Friday, May 6, 2011, 12:38 AM


Hi
I use the following for example

Logistic outcome i.varA  i.varB b i.varA#i.varB  other variables

And I obtain the odds ratios for var a var b and the interaction terms


Var a has four levels and var b has 3 levels

What I would like to do , is to generate the odds ratios for the  12 cells in the table var a by var b

Is there a way of doing this in stata, I would also like the confidence intervals



Thanks

Ann

Ann E Fitzmaurice
Medical Statistician
Immpact University of Aberdeen
Health Sciences Building
Foresterhill
Aberdeen, AB25 2ZD
Scotland
Tel: +44 (0)1224 553876
Fax: +44 (0)1224 555704
Email: a.e.fitzmaurice@abdn.ac.uk



The University of Aberdeen is a charity registered in Scotland, No SC013683.

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