I messed up. What I referred to in my last message was simply odds, not an
odds ratio - please ignore it.
Al Feiveson
-----Original Message-----
From: Ricardo Ovaldia [mailto:[email protected]]
Sent: Wednesday, October 09, 2002 8:04 AM
To: [email protected]
Subject: Re: st: crude odds ratio (crude?)
--- Jocelyne S�guin <[email protected]> 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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