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Medication Costs, Adherence, And Health Outcomes Among Medicare Beneficiaries

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Observational analysis examines adherence related to costs in Medicare beneficiaries, suggesting implications for drug benefit design.

To investigate the relationship between medication costs, adherence, and health outcomes among Medicare beneficiaries over two years.
Analyzed data from over two million elderly Medicare beneficiaries over a two-year period.
Examined adherence patterns in relation to medication coverage and income levels.
More than two million beneficiaries did not adhere to drug regimens due to cost.
Poor adherence was linked to higher hospitalization rates and poorer overall health.
The association was stronger among lower-income beneficiaries facing high out-of-pocket drug expenses.

Mojtabai et al. (2003) studied this question.

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