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st: Svytab subgroup analysis with more than two subgroups

From   "L Allen" <>
Subject   st: Svytab subgroup analysis with more than two subgroups
Date   Mon, 14 Jul 2003 17:56:04 +0000

Dear Statalist,

We have survey data with 39 strata. We have categorized the respondents into 6 groups. This grouping was not used in the sampling design (it is not one of our stratifying variables). We want to do a svytab on 3 of the 6 groups against responses to a categorical variable; however, the survey manual warns us not to us an if restriction to select these three groups because it will not produce correct statistics and variance estimates. However, the subpop() option does not appear to meet our needs either because we want to test the association among these three groups. Any suggestions on how to proceed would be appreciated.

Richard Clerkin
Ph.D. Student
Indiana Nonprofit Project
Indiana University-Bloomington

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