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Health Status, Medicare Part D Enrollment, And Prescription Drug Use Among Older Adults, Jin Kim

The Journal of Sociology & Social Welfare

To account for potential selection factors in the observed relationship between Medicare Part D coverage and prescription drug use, this study uses data from the 2010 and 2012 waves of the Health and Retirement Study (HRS) to first examine the determinants of Medicare Part D enrollment, paying particular attention to the role of functional health status on the enrollment decision. Next, the study assesses whether and to what extent Medicare Part D coverage moderates the effect of functional health status on prescription drug use and monthly out-of-pocket spending among older adults. As prior studies indicate, the findings reveal that individuals …