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Fwd: st: regression to the mean using ancova


From   Newton Chagoma Chagoma <nchagoma@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   Fwd: st: regression to the mean using ancova
Date   Fri, 25 Nov 2011 15:13:32 +0200

---------- Forwarded message ----------
From: Newton Chagoma Chagoma <nchagoma@gmail.com>
Date: Fri, 25 Nov 2011 15:03:56 +0200
Subject: st: regression to the mean using ancova
To: statalist <statalist@hsphsun2.harvard.edu>

Hi all!

I would like to model change between baseline month values and end of
study values...and one approach for that is via ancova(not anova as
put earlier) using regress
commans say reg HDL12 baseHDL...and want to report;something like
    meanchange  95%CI   p-value
     1.6               1.3-3.2  0.0041

My question is does the coefficient for my predictor(baseHDL)=the mean?

newton
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