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st: Ordinal dependent variable


From   "Julie A. Lamoureux" <JulieAL@baptisthealth.net>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: Ordinal dependent variable
Date   Fri, 20 Jul 2012 15:14:00 +0000

Good day,

I have a dataset with repeated measures (longitudinal data) in 2 separate groups that I have set up as panel data.  Most of my dependent variables are numeric so the analyses were straightforward.  My question concerns 3 variables that are ordinal with 3 categories (rarely, sometimes, often).  The tool was used at baseline and at 6 months and the researcher is interested in knowing if the change over time in those 3 variables is different between the groups.  What is the best approach to use in this case?

Thank you


           Julie Lamoureux, DMD, MSc
                  Statistician

                  Quality and Performance Improvement
                  Tel: 786-467-2086
                  Fax: 786-533-9602
                  JulieAL@baptisthealth.net
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