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Re: st: Testing dependence in a 2x2 table for clustered observations


From   Steve Samuels <sjsamuels@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Testing dependence in a 2x2 table for clustered observations
Date   Wed, 25 Aug 2010 10:43:11 -0400

--
This is the scenario for a stratified analysis, and -cs- (and -cc-)
have a by() option for doing this.

Steve

-- 
Steven Samuels
sjsamuels@gmail.com
18 Cantine's Island
Saugerties NY 12477
USA
Voice: 845-246-0774
Fax:    206-202-4783


On Wed, Aug 25, 2010 at 3:59 AM, Hoogendoorn, Adriaan
<A.Hoogendoorn@ggzingeest.nl> wrote:
> Dear Statalisters,
>
> I have a very simple 2x2 table Treatment (A or B) versus Recovered (Yes or No).. I would like to test the dependence in the table using a chi square test. However, the observations are not independent but clustered: a multilevel design with patients clustered in approximately twenty "treatment sites".
>
> My question is, in order to take the clustering into account, do I need to use a technique like random coefficient logistic regression? This seems like heavy machinery to solve a simple problem with only a minor complication?
>
> Kind regards,
> Adriaan Hoogendoorn
> GGZ inGeest, Amsterdam
>
> Dit e-mailbericht is uitsluitend bestemd voor de geadresseerde. Als dit bericht niet voor u bestemd is, wordt u verzocht dit aan de afzender te melden en het bericht te vernietigen. Het is niet toegestaan de inhoud van dit bericht verder te verspreiden of te gebruiken. Voor meer informatie over GGZ inGeest: www.ggzingeest.nl.
>
>
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