Abstract #300469

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JSM 2003 Abstract #300469
Activity Number: 342
Type: Contributed
Date/Time: Wednesday, August 6, 2003 : 9:00 AM to 10:50 AM
Sponsor: Section on Survey Research Methods
Abstract - #300469
Title: Precision of Survey Estimates Derived from the Medical Expenditure Panel Survey
Author(s): William Yu*+
Companies: Agency for Healthcare Research and Quality
Address: 2101 E. Jefferson St., Rockville, MD, 20852-4908,
Keywords: MEPS ; design effect ; medical expenditures
Abstract:

The MEPS-HC is designed to provide nationally representative annual estimates of health care use, expenditures, sources of payment, and insurance coverage for the U.S. civilian noninstitutionalized population. The sample design of the MEPS is characterized by a complex multi-stage area probability design that includes disproportionate sampling of specified policy relevant population groups. As a consequence of departures from simple random sampling assumptions, the variances of survey estimates derived from the MEPS will generally exhibit design effects that are substantially greater than unity. Based on data from the 1999 and 2000 MEPS-HC, this paper will evaluate and contrast the design effects achieved for national estimates of health care utilization, expenditures, sources of payment, and insurance coverage; the level of design effect variation in related survey estimates; and design effect variation by alternative population subgroups and by different geographic regions of the nation. This analysis will also include an evaluation of design effects achieved for health care estimates associated with individuals that incur high levels of medical expenditures.

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