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Activity Number: 255
Type: Contributed
Date/Time: Monday, August 1, 2016 : 2:00 PM to 3:50 PM
Sponsor: Survey Research Methods Section
Abstract #319359 View Presentation
Title: Multilevel Small-Area Estimation of Health Behaviors: An Extension of Multilevel Regression and Poststratification (MRP) Approach via Bootstrapping
Author(s): Xingyou Zhang* and Shumei Yun and Hua Lu and Yan Wang and Paul I. Eke and James B. Holt and Kurt Greenlund and Janet B. Croft
Companies: CDC and Missouri Department of Health and Senior Services and CDC and CDC and CDC and CDC and CDC and CDC
Keywords: multilevel small area estimation ; bootstrapping ; health behaviors ; Health survey ; Census population ; American Community Survey

Unit-level multilevel models can generate small area estimates at low geographic levels, such as census blocks. Because detailed census cross-tabulation population counts are available only by age, gender and race/ethnicity, multilevel models can only use these three variables in prediction. By using bootstrapping, we fitted multilevel logistic regression models with individual age, gender, race/ethnicity, and education for two outcomes -- current smoking and obesity -- from the 2011 Behavioral Risk Factor Surveillance System. We introduced a parametric bootstrapping method to assign education status for Census 2010 block-level population by age, gender, race/ethnicity in model prediction using 2007-2011 American Community Survey 5-year estimates. We compared county-level estimates with Missouri County-level Study direct estimates: the inclusion of individual education in model fitting and then prediction increased the correlation coefficients from 0.40 to 0.45 for current smoking and from 0.27 to 0.34 for obesity. Thus, multilevel small area estimation could include additional individual variables via bootstrapping.

Authors who are presenting talks have a * after their name.

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