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Activity Number: 342
Type: Contributed
Date/Time: Tuesday, July 31, 2007 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #308990
Title: Subpopulation Analysis of Survey Data: Statistical Approaches and Software Options
Author(s): Brady West*+ and Steven Heeringa and Pat Berglund
Companies: University of Michigan and Institute for Social Research and University of Michigan
Address: 3554 Rackham Building, Ann Arbor, MI, 48109,
Keywords: Survey Data Analysis ; Statistical Software ; Complex Sample Designs ; Subpopulation Analysis
Abstract:

In recent years, general-purpose statistical software packages have incorporated new procedures for design-based analysis of complex sample survey data, which feature several useful analysis options. A common and frequently desired technique for analysis of survey data in practice is the restriction of estimation to a particular subpopulation of interest. We discuss two alternative approaches that analysts of complex sample survey data can follow when analyzing subpopulations, and consider the implications of each for estimation and inference. We then present examples of both approaches using data from the National Health and Nutrition Examination Survey (NHANES), and indicate how procedures for survey data analysis in SAS, SPSS, Stata, and SUDAAN respond when following each approach. We conclude with suggestions for practice.

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Revised September, 2007