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Prospects and problems in using data from HMOs for the study of aging populations and their health care needs
1University of Washington, School of Public Health and Community Medicine, Seattle.
The Gerontologist
|August 1, 1994
Abstract:
Health maintenance organizations (HMOs) are providing a larger volume of health care services to older Americans than ever before. HMOs must reexamine the general practice of equating utilization of services with the health care need and collect better population-based information, including measures of health status. This article discusses the data elements that are widely available in HMO data bases as well as those that are predictably missing.