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Impact of decreasing copayments on medication adherence within a disease management environment
Michael E Chernew1, Mayur R Shah, Arnold Wegh
1Harvard Medical School, Boston, Massachusetts, USA. chernew@hcp.med.harvard.edu
Abstract:
This paper estimates the effects of a large employer's value-based insurance initiative designed to improve adherence to recommended treatment regimens. The intervention reduced copayments for five chronic medication classes in the context of a disease management (DM) program. Compared to a control employer that used the same DM program, adherence to medications in the value-based intervention increased for four of five medication classes, reducing nonadherence by 7-14 percent. The results demonstrate the potential for copayment reductions for highly valued services to increase medication adherence above the effects of existing DM programs.
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