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Use Of Ambulatory Care Services In Three Provider Plans: Interactions Between Patient Characteristics And Plans, Paula Diehr
Use Of Ambulatory Care Services In Three Provider Plans: Interactions Between Patient Characteristics And Plans, Paula Diehr
Paula Diehr
A previous study of low-income enrollees in a closed-panel health maintenance organization (HMO) and a Blue Cross/Blue Shield (BC/BS) plan showed that the effect on the use of health services of the age, sex, health status, previous health care use, race, and family size of the enrollees was different in the two plans. We have replicated this study using the same two provider plans but studying a different group of white collar, middle class enrollees. A third plan, an experimental independent practice association (IPA), was also available for analysis. Utilization was defined as use (yes/no) and the quantity of use …