Abstract #300642

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JSM 2003 Abstract #300642
Activity Number: 197
Type: Topic Contributed
Date/Time: Tuesday, August 5, 2003 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #300642
Title: Investigation of Alternative Nonresponse Adjustment Methods in the Medical Expenditure Panel Survey
Author(s): Lap-Ming Wun*+ and Trena M. Ezzati-Rice and Robert M. Baskin and Steven R. Machlin
Companies: Agency for Healthcare Research and Quality and Agency for Healthcare Research & Quality and Agency for Healthare Research & Quality and Agency for Healthcare Research and Quality
Address: 14413 Bradshaw Dr., Silver Spring, MD, 20905-6508,
Keywords: nonresponse ; logistic regression ; weight adjustment ; propensity scores
Abstract:

The Medical Expenditure Panel Survey (MEPS) is sponsored by the Agency for Healthcare Research and Quality (AHRQ). MEPS is conducted to provide nationally representative estimates of health care use, expenditures, sources of payment, and insurance coverage for the U.S. civilian noninstitutionalized population. It comprises three component surveys with the Household Component (HC) as the core survey. The MEPS-HC, like most sample surveys, experiences unit nonresponse despite efforts to maximize response rates. Survey nonresponse is usually compensated for by some form of weighting adjustment to reduce the bias in survey estimates. Currently, a weighting class nonresponse adjustment is used in the MEPS to adjust for nonresponse bias at the dwelling unit level. An alternative method for forming nonresponse adjustment cells is to use response propensities. This paper summarizes research undertaken to investigate potential use of response propensities to form adjustment cells in the MEPS. Survey estimates for selected survey components, CVs, distribution of weights, and bias reduction based on the two alternative methods are compared and methodological issues discussed.

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