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st: Propensity Score Matching on Individuals with Multiple Records (Time-Varying Covariates)


From   "Weichle, Thomas" <Thomas.Weichle@va.gov>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Propensity Score Matching on Individuals with Multiple Records (Time-Varying Covariates)
Date   Thu, 10 May 2012 09:13:54 -0500

Hi Statalisters,
I am working with a dataset containing time-varying covariates resulting
in multiple records per individual.  Each record for an individual
contains time invariant variables in addition those that vary with time
and a variable which represents time to event.  I'd like to perform
propensity score matching on individuals in this dataset.  

Does anyone have any experience or recommendations regarding the
matching procedures on individuals when there are multiple records per
individual?  It doesn't appear as though -psmatch2- can accommodate this
situation.  My goal is to perform a match and then run a -stcox-
regression but the time-varying covariates are complicating the
situation.

Tom Weichle
Math Statistician
VA Information Resource Center (VIReC)
Edward Hines Jr. VA Hospital, Bldg 18, 202E
708-202-8387 ext. 24261
Thomas.Weichle@va.gov 


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