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st: Interpreting odds ratios in linear regression with a log(variable) as the outcome


From   Ashwin Ananthakrishnan <ashwinna@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Interpreting odds ratios in linear regression with a log(variable) as the outcome
Date   Sat, 15 Jul 2006 08:17:28 -0700 (PDT)

Hi,

I have a continuous variable waittime (in days) as my
main outcome variable. I would like to perform
multivariate and univariate linear regression to test
the associated of this variable with some other
parameters. However since the waittime variable has a
skewed distribution, i've converted it to a
log(waittime) variable - which is a natural log of the
waittiem which has a normal distribution.

Now, when I run univariate regression to look for the
association of log(waittime) with the independent
variables - say age category, sex, or income, how do I
interpret the co-efficients in Stata? Is there an easy
method for Stata to automatically give me the
co-efficients for the waittime instead of for
log(waittime)?

Thanks.
Ashwin

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