Journal article
Effects of medicare part D coverage gap on medication adherence
Y Zhang, SH Baik, JR Lave
American Journal of Managed Care | MANAGED CARE & HEALTHCARE COMMUNICATIONS LLC | Published : 2013
Abstract
Objectives: To evaluate the effects of the Medicare Part D coverage gap on pharmacy use among a national sample of Medicare beneficiaries and on medication adherence among 2 subsamples with heart failure and/or diabetes. Study Design: Pre-post design, with comparison group and propensity score weighting. Methods: We used a 5% random sample of elderly Medicare beneficiaries enrolled in stand-alone Part D plans in 2007. The comparison group had full coverage in the gap, whereas the 2 study groups had either no coverage or generic-only coverage in the gap. Main outcomes included probability of filling a prescription, monthly pharmacy spending and number of prescriptions filled, and adherence me..
View full abstractGrants
Awarded by National Institute of Mental Health
Funding Acknowledgements
Dr Zhang received grants from the National Institute of Mental Health (NIMH RC1 MH088510), the Agency for Healthcare Research and Quality (AHRQ R01 HS018657), and the University of Pittsburgh Central Research Development Fund. The National Institute of Mental Health, Agency for Healthcare Research and Quality, and University of Pittsburgh played no role in the study conduct, data analysis, or report generation.