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Re: st: ORs for non-rare outcomes

From   Ron�n Conroy <[email protected]>
To   "statalist" <[email protected]>
Subject   Re: st: ORs for non-rare outcomes
Date   Thu, 08 Apr 2004 15:38:29 +0100

on 08/04/2004 10:17, roger webb at [email protected] wrote:

> I am investigating the predictors of �significant parenting problems�
> in a sample of women (n=239) admitted for inpatient treatment for
> schizophrenia immediately following childbirth. The outcome
> variable is coded in a binary fashion and poor outcome is common
> in this sample (i.e. 50% of the women).

Why not try -binreg- and estimate risk ratios. -binreg- is not guaranteed to
work and produce sensible estimates, but it gives you a much more intuitive
estimate of effect size than the odds ratio.

Very few people seem to know that -binreg- is a potential alternative to
logistic regression when you have incidence data.

Ronan M Conroy ([email protected])
Lecturer in Biostatistics
Royal College of Surgeons
Dublin 2, Ireland
+353 1 402 2431 (fax 2764)

Just say no to drug reps

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