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st: Cluster size


From   C Butler <[email protected]>
To   [email protected]
Subject   st: Cluster size
Date   Fri, 11 Mar 2011 13:59:49 -0500

Hi, everyone.

I am estimating a multiple logistic regression model and would like to
adjust the ORs by client clustering at particular facilities using
Stata's "cluster" option. I have about 75 clusters; about 8 of them
have 1-10 observations, and the vast majority have over 200. What,
ideally, is the minimum cluster size for estimates to be consistent?

Your help is much appreciated.

Respectfully,

C
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