Title: |
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An Estimation Methodology to Permit Longitudinal Cohort Analyses Based on the National Health Interview Survey and Medical Expenditure Panel Survey |
Description: |
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In addition to serving as the sampling frame for AHRQ?s Medical Expenditure Panel Survey (MEPS), the survey integration with the National Health Interview Survey (NHIS) permits an enhanced capacity for longitudinal analyses of trends in health care utilization, coverage, access and health status. No explicit estimation strategy or estimation weights are currently provided to analysts to permit longitudinal cohort analyses using these data resources that have a standardized approach with consistent population controls. Examples of enhanced longitudinal analyses based on the NHIS-MEPS linked files include studies of the long term uninsured and the conduct of episodes of illness studies over an extended time interval. In this paper, attention will be given to enhancing an understanding of the reasons for non-linkages between the files, to articulating an estimation strategy to permit longitudinal analyses, and the development of the necessary estimation weight. In addition, a summary of the capacity of the estimates derived from the linked files to coincide with the estimates obtained directly from the respective surveys will be provided. |
Agency: |
|
Rockville (MD): Agency for Healthcare Research and Quality |
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