Re: st: way to control for repeated measures when using svy: commands?

[Steven Samuels <sjsamuels@gmail.com>]

See: http://www.stata.com/statalist/archive/2011-11/msg00572.html

The short answer: for survey data, the only clusters that really matter for computing the standard errors are the PSUs.      

Steve

On Nov 16, 2011, at 10:40 PM, Lima, Julie wrote:

Hello,

Does anyone know a way to control for repeated measures while using
svy procedures (Stata 11, or I could switch to 12 if needed)?

I'm using a multi-wave survey with a complex sampling design, and so
my analysis requires the use of the svy procedures.  Individuals were
eligible for our study if they met inclusion criteria at either Wave 1
or Wave 2.  Of the 2513 people who met the study criteria, 594 met
them at both Waves 1 and 2, and therefore were included in our sample
twice, resulting in a sample size of 3107 observations.   When using
regular logit in Stata, I would control for the repeated measures
using ', cluster(personid)'  but this is not allowed with the svy
procedures.  Is there another way?

Thanks for the help,
Julie Lima
--
*************************************
Julie Lima, MPH, PhD
Senior Research Analyst
Brown University
Center for Gerontology and Health Care Research
Providence, RI

Mailing Address
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Flower Mound, TX 75028
p: 972-355-7814

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