Ml. Durham, PROSPECTS AND PROBLEMS IN USING DATA FROM HMOS FOR THE STUDY OF AGINGPOPULATIONS AND THEIR HEALTH-CARE NEEDS, The Gerontologist, 34(4), 1994, pp. 481-485
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 wi
th the health care need and collect better population-based informatio
n, including measures of health status. This article discusses the dat
a elements that are widely available in HMO data bases as well as thos
e that are predictably missing.