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Résumé :
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Objective To determine which formats communicate medication adherence effectively to patients. Methods HIV-infected adults on antiretrovirals viewed examples of refill data in 5 formats: (1) percentage of doses, (2) number of days late to refill (“days late”), (3) calendar of days with/without medications, (4) pie chart of days with/without medications, and (5) letter grade. Five scenarios (>95%, 90–95%, 12 years education, ORs were: days late 1.3 (0.9–2.0), calendar 2.4 (1.5–3.8), pie chart 2.9 (1.8–4.6), and letter grade 1.7 (1.1–2.6). Calendar plot was most preferred. Conclusions Adherence percentage was the least understood format regardless of education. Practice implications Calendars should be used to convey adherence information.
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