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st: RE: Estimate variance from the California Health Interview Survey usi ng STATA


From   nkandula@medicine.bsd.uchicago.edu
To   statalist@hsphsun2.harvard.edu
Subject   st: RE: Estimate variance from the California Health Interview Survey usi ng STATA
Date   Fri, 7 Feb 2003 15:37:25 -0600

Hi!

I am trying to anlayze the California Health Interview Survey using STATA
8.0. The CHIS contains a basic weight variable that can be used to obtain
population estimates.  

However, to estimate variances you need to use replicative weights- 80
weights are provided. Estimates of variance using the replication method can
be obtained using
WesVar or SUDAAN. 

But how can you estimate variance using these weights and STATA??? Is it
impossible? The Public Use Data File has no strata info or PSUs.

Please help! 

Thank You. 

Nammi Kandula

_____________________________
Namratha Kandula,  MD, MPH
Robert Wood Johnson Clinical Scholar
University of Chicago
5841 S. Maryland Ave., MC 2007
Chicago, IL 60637
Phone 773-834-9180
Fax 773-702-1295



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