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Re: st: crude odds ratio (crude?)


From   Ricardo Ovaldia <ovaldia@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: crude odds ratio (crude?)
Date   Wed, 9 Oct 2002 06:04:21 -0700 (PDT)

--- Jocelyne Séguin <jocelyne@dsuper.net> asked:
 
> When crude odds ratio of x1 are reported,
> does it come from the syntax
> logistic y x1 ?

Yes. Crude odds ratios are the same as unadjusted odds
ratios. They can be computed as you suggested above or
if x1 is categorical, then the crude OR can also be
obtained from a contingency table.

> When odds ratio of x1 adjusted for x2, x3 and x4,
> are reported does it come from the syntax
> logistic y x1 x2 x3 x4 ?

Yes.

Best,
Ricardo.


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