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Racial and ethnic disparities in Medicare Part D medication therapy management services utilization
Xiaobei Dong1, Chi Chun Steve Tsang2, Jamie A Browning3
1Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, 1240 N. 10th St., Milwaukee, WI 53205, United States of America.
Exploratory Research in Clinical and Social Pharmacy
|January 30, 2023
Summary
Medicare Part D medication therapy management (MTM) services show racial and ethnic disparities in utilization. These disparities may prevent minority groups from fully benefiting from MTM programs, necessitating further investigation and reform.
Area of Science:
- Health Services Research
- Health Disparities
- Pharmaceutical Policy
Background:
- Medicare Part D's Medication Therapy Management (MTM) program offers benefits for medication and health service use.
- Utilization patterns of MTM services, particularly among racial and ethnic minorities, remain under-researched.
Purpose of the Study:
- To investigate MTM service utilization among elderly Medicare beneficiaries.
- To identify racial and ethnic disparities in MTM service access and engagement.
Main Methods:
- Retrospective analysis of 2017 Medicare administrative data.
- Examination of 14 MTM utilization outcomes using logistic, negative binomial, and Cox regression models.
- Inclusion of Area Health Resources Files for contextual data.
Main Results:
- Significant racial and ethnic disparities were observed in MTM utilization.
- Black, Hispanic, and Asian patients exhibited higher odds of opting out of MTM compared to White patients.
- Hispanic and Asian patients were less likely to receive a comprehensive medication review (CMR) and more likely to have a proxy receive it.
Conclusions:
- Racial and ethnic disparities in Medicare Part D MTM services are evident.
- These disparities may limit the full benefits of MTM for vulnerable populations.
- Further research into the causes of these disparities is crucial for MTM program reform.
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