Journal article
The impact of medicare part D on medication adherence among older adults enrolled in medicare-advantage products
Y Zhang, JR Lave, JM Donohue, MA Fischer, ME Chernew, JP Newhouse
Medical Care | LIPPINCOTT WILLIAMS & WILKINS | Published : 2010
Abstract
BACKGROUND: Little is known about how Medicare Part D affects the medication refill adherence for cardiovascular and diabetes medications, particularly among beneficiaries without prior drug coverage. OBJECTIVES: To evaluate Medicare Part D's effect on medication adherence among beneficiaries with hyperlipidemia, hypertension, and/or diabetes enrolled in Medicare Advantage products. RESEARCH DESIGN: We used a quasi-experimental pre-post design, with 3 treatment groups and a comparison group, to assess the effect of Part D on several measures of adherence to prescription medications. SUBJECTS: Adults aged 65 or older with hyperlipidemia, hypertension, and/or diabetes in 2003 continuously enro..
View full abstractGrants
Awarded by National Institute on Aging
Funding Acknowledgements
Supported by the National Center for Research Resources, a component of the National Institutes of Health (NIH), NIH Roadmap for Medical Research (KL2-RR024154-01) (to J. M. D.), the National Institute of Aging (P01-AG032952) and the Alfred P. Sloan Foundation (to J.P.N.), and the University of Pittsburgh's Graduate School of Public Health Computational and Systems Models in Public Health Pilot Program (to Y.Z.).