Risk adjusting capitation: Applications in employed and disabled populations

Carolyn Madden (), Bret Mackay (), Susan Skillman (), Marcia Ciol () and Paula Diehr

Health Care Management Science, 2000, vol. 3, issue 2, 109 pages

Abstract: Risk adjustment may be a sensible strategy to reduce selection bias because it links managed care payment directly to the costs of providing services. In this paper we compare risk adjustment models in two populations (public employees and their dependents, and publicly-insured low income individuals with disabilities) in Washington State using two statistical approaches and three health status measures. We conclude that a two-part logistic/GLM statistical model performs better in populations with large numbers of individuals who do not use health services. This model was successfully implemented in the employed population, but the managed care program for the publicly insured population was terminated before risk adjustment could be applied. The choice of the most appropriate health status measure depends on purchasers' principles and desired outcomes. Copyright Kluwer Academic Publishers 2000

Date: 2000
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DOI: 10.1023/A:1019085122553

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