Date:         Tue, 18 Jun 2002 14:43:14 -0400
Reply-To:     Min Qi Wang <mqw@GLUE.UMD.EDU>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Min Qi Wang <mqw@GLUE.UMD.EDU>
Subject:      adjust pretest %
Comments: To: SAS-L@UGA.CC.UGA.EDU
Content-Type: TEXT/PLAIN; charset=US-ASCII

Hi,

What is the best way to adjust for the pretest (as a covariate) measured
in % when comparing posttest % differences?  This is similar to ANCOVA
where the covariate is continuous.

A reference would be helpful.

Thank you!

Mitch