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Re: st: Interpretation of Log Independent variable


From   "Austin Nichols" <[email protected]>
To   [email protected]
Subject   Re: st: Interpretation of Log Independent variable
Date   Sat, 25 Feb 2006 11:51:53 -0500

Short answer: for the not-logged var X, you are measuring the marginal
increase in odds for a one-unit increase in X at the mean, but for
logged var lnX, you are measuring the marginal increase in odds for a
100% increase in X at the mean. Sort of. See
 http://www.ats.ucla.edu/stat/Stata/faq/oratio.htm
and
 http://www.ats.ucla.edu/STAT/stata/faq/stata_interpret_log.htm
for more.

On 2/24/06, Nitin Jain <[email protected]> wrote:
> Hi,
>
> I am doing logistic regression and one of my
> independent variables is logged. What is the
> interpretation of the Odds Ratio that I get for this
> logged variable? Is it any different than a variable
> that is not logged?
>
> Thank you,
> Nitin
>
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