Abstract #300326

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JSM 2003 Abstract #300326
Activity Number: 20
Type: Contributed
Date/Time: Sunday, August 3, 2003 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #300326
Title: Two Options for Oversampling in the National Health Interview Survey
Author(s): Karen E. Davis*+
Companies: Center for Disease Control and Prevention
Address: 3611 Pocono Pl., Beltsville, MD, 20705-3500,
Keywords: sample survey ; oversampling
Abstract:

The National Health Interview Survey (NHIS) is one of the major data collection programs of the National Center for Health Statistics (NCHS). The sample design for the NHIS traditionally has undergone a redesign every 10 years to address new and continuing data needs at both the subnational level and for minority and economic subdomains of the population. The ability to produce reliable annual estimates for the elderly population by race and ethnicity, within the age groups 65-74 and 75+, is a major design objective. Two options for oversampling sample adult (SA) elderly minority persons to meet the goal of improving the precision of estimates while retaining the same precision for nonelderly estimates and keeping the overall sample size constant will be reviewed. The first option involves selecting more than one sample adult per household in some households. The second option retains the current protocol of selecting one sample adult per household, but gives elderly minority persons an increased probability of selection. This paper describes the research that has been conducted to assess the effects of these two options.

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