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st: McNemar's test with clustering


From   Laura Gibbons <gibbonsl@u.washington.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: McNemar's test with clustering
Date   Sun, 25 Apr 2010 18:39:12 -0700 (PDT)

I'd like to do something like McNemar's test, -mcc-, where I'm comparing presence of two dichotomous traits in each person. [In this case, is a finding more common on the left side of the spine, compared to the right.]

The problem is that the subjects are twins, in this analysis a nuisance parameter, but svyset or cluster(pair) are not options for mcc.

For continuous outcomes I can get the equivalent of a paired t-test by computing the difference and then getting the p-values from the intercept in

reg difference, cluster(pair)

but I've not come up with anything along these lines either.

Any guidance would be appreciated, thanks!

-Laura

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Laura E. Gibbons, PhD
General Internal Medicine, University of Washington
Box 359780, Harborview Medical Center, 325 Ninth Ave, Seattle, WA 98104
phone: 206-744-1842, fax: 206-744-9917, Office address: 401 Broadway, Suite 5122
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