NDLI: Has Medicare Part D Reduced Racial/Ethnic Disparities in Prescription Drug Use and Spending?

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Has Medicare Part D Reduced Racial/Ethnic Disparities in Prescription Drug Use and Spending?

Content Provider	Scilit
Author	Mahmoudi, Elham Jensen, Gail A.
Copyright Year	2013
Description	Journal: Health Services Research To evaluate whether Medicare Part D has reduced racial/ethnic disparities in prescription drug utilization and spending. Nationally representative data on white, African American, and Hispanic Medicare seniors from the 2002–2009 Medical Expenditure Panel Survey are analyzed. Five measures are examined: filling any prescriptions during the year, the number of prescriptions filled, total annual prescription spending, annual out-of-pocket prescription spending, and average copay level. We apply the Institute of Medicine's definition of a racial/ethnic disparity and adopt a difference-in-difference-in-differences (DDD) estimator using a multivariate regression framework. The treatment group consists of Medicare seniors, the comparison group, adults without Medicare aged 55–63 years. Difference-in-difference-in-differences estimates suggest that for African Americans Part D increased the disparity in annual spending on prescription drugs by $258 (p = .011), yet had no effect on other measures of prescription drug disparities. For Hispanics, DDD estimates suggest that the program reduced the disparities in annual number of prescriptions filled, annual total and out-of-pocket spending on prescription drugs by 2.9 (p = .077), $282 (p = .019) and $143 (p < .001), respectively. Medicare Part D had mixed effects. Although it reduced Hispanic/white disparities related to prescription drugs among seniors, it increased the African American/white disparity in total annual spending on prescription drugs.
Related Links	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976184/pdf
Ending Page	525
Page Count	24
Starting Page	502
e-ISSN	14756773
DOI	10.1111/1475-6773.12099
Journal	Health Services Research
Issue Number	2
Volume Number	49
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2013-09-18
Access Restriction	Open
Subject Keyword	Journal: Health Services Research Public Health and Health Services Medicare Part D Prescription Drugs Utilization and Spending Racial/ethnic Disparities
Content Type	Text
Resource Type	Article

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