Re: Statistical Question

Posted by Albert-Jan Roskam on Aug 08, 2006; 9:51pm
URL: http://spssx-discussion.165.s1.nabble.com/Statistical-Question-tp1070190p1070192.html

Hi Brandon,

If you want to stratify the odds of e.g. having asthma
by educational level you could specify your education
variable as a categorical variable in your regression
model. You will see the odds relative to one reference
group, which is dependent on the way you sorted your
data.

Cheers!
Albert-Jan

--- Brandon Long <[hidden email]> wrote:

> This listserv is a great resource, so I was hoping
> someone might be able
> to help me get some clarification on a certain
> statistical question.  If
> you have risk-adjusted a sample of data by certain
> factors using
> logistic regression, is it incorrect to further
> stratify these results
> by some sort of grouping variable?  I do not believe
> it would be
> statistically correct but am having a hard time
> justifying this.  Am I
> wrong?  Any information would be helpful.
>
> Thank you!
>

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