Abstract Details
Activity Number:
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633
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Type:
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Topic Contributed
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Date/Time:
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Thursday, August 7, 2014 : 10:30 AM to 12:20 PM
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Sponsor:
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Survey Research Methods Section
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Abstract #312896
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View Presentation
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Title:
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Data Analysis Using NHIS-EPA--Linked Files: Issues with Using Incomplete Linkage
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Author(s):
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Rong Wei*+ and Van Parsons and Jennifer Parker and Yulei He
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Companies:
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NCHS/CDC and NCHS and NCHS and NCHS/CDC
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Keywords:
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air pollutant ;
health status ;
linked complex survey data ;
mixed effects model ;
model-based analysis
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Abstract:
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The National Health Interview Survey (NHIS) is an annual large scale national survey that collects individual health outcome data. As the NHIS is based on a complex survey design, analytical "best practice" involves accounting for the survey design features in analysis of the data. To expand analytical utility, the NHIS has been linked geographically to select EPA pollution data over the years 1985 to 2005. This available EPA-linked data is only partially complete with respect to geographical coverage, and some analytical caution is advised since a "missing at random" distribution for linked pollutants cannot be assumed. Inferences about associations between population health outcomes and air pollution status may be biased if standard design-based analytical methods are implemented. The present study focuses on investigating situations where such biases may occur and some possible analytical corrective actions. We suggest model-based alternatives for estimating associations between population health and air quality. The impact of bias and variance of the demographical components in the statistical weights, as well as clustering effects are examined.
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Authors who are presenting talks have a * after their name.
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