Date:         Tue, 1 Jul 2008 09:43:03 -0400
Reply-To:     Kevin <citam.sasl@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Kevin <citam.sasl@GMAIL.COM>
Subject:      Re: covariates adjusted prevalence

On Mon, 30 Jun 2008 21:05:08 -0700, Ching <KCWong5@GMAIL.COM> wrote:

>What SAS procedures allow me to find out the covariates adjusted
>prevalence? i.e. age and smoking status adjusted prevalence of X.

How are you data structured?  How did you obtain them?  What is your
hypothesis and goal?

The basic approach is to run a regression with covariates and use the
parameter estimates to obtain a point estimate for the values of the
covariates in which you are interested.  It would be wise to consider
confidence intervals around these estimates, too.

Some SAS regressions procedures about which you should briefly read that
may help you:  GENMOD, MIXED, REG, and LOGISTIC.  If you have stratified
sampling, then you need to consider the SURVEY procedures.

Good luck,

Kevin