Racial/ethnic disparities in cost-related barriers to care among near-poor beneficiaries in Medicare Advantage vs traditional Medicare.

Hames AG, Tipirneni R, Switzer GE, Ayanian JZ, Kullgren JT, Solway E, Roberts ET. Racial/ethnic disparities in cost-related barriers to care among near-poor beneficiaries in Medicare Advantage vs traditional Medicare. The American journal of managed care. 2024 Oct 1; 30(10):e297-e304, DOI: 10.37765/ajmc.2024.89622.

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Abstract:

OBJECTIVE: To compare racial and ethnic disparities in cost-related medical care and dental care barriers and use of vision care among near-poor Medicare beneficiaries in Medicare Advantage (MA) vs traditional Medicare (TM) overall and stratified by supplemental insurance enrollment. STUDY DESIGN: Cross-sectional analysis of 2015-2019 data from the nationally representative Medicare Current Beneficiary Survey. METHODS: Propensity score-weighted difference-in-disparities analyses comparing Black-White and Hispanic-White disparities in MA vs TM among near-poor Medicare beneficiaries with incomes between 101% and 250% of the federal poverty level. We assessed differences in cost-related medical care barriers and cost-related dental care barriers as well as receipt of annual eye exams in MA vs TM. RESULTS: For cost-related barriers to medical care, Hispanic-White disparities were narrower by 8.8 (95% CI, -14.0 to -3.6) percentage points in MA relative to TM but differences in Black-White disparities were not statistically significant. MA was not associated with narrower differences in Hispanic-White or Black-White disparities in dental care access. Higher proportions of Black and Hispanic beneficiaries in MA received an annual eye exam vs White beneficiaries in both MA and TM. MA was associated with narrower racial disparities primarily compared with TM without supplemental insurance. CONCLUSIONS: Among near-poor Black and Hispanic Medicare beneficiaries, MA was associated with greater use of vision care and narrowing of some disparities in cost-related access barriers vs TM. However, MA did not uniformly narrow racial/ethnic disparities in access and use. These findings highlight the importance of maintaining and enhancing features of Medicare coverage that may promote equitable access to care, including additional benefits and lower cost sharing.