Effect of format on comprehension of adherence data in chronic disease: A cross-sectional study in HIV

摘要: Abstract 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 doses, (2) number days late (“days late”), (3) calendar with/without medications, (4) pie chart and (5) letter grade. Five scenarios (>95%, 90–95%, Results 124 participants were median age 48.5 years, 65% Black, 71% male. Understanding all differed by education (all interaction p values  3.3 (2.3–4.7), 3.1 (2.2–4.3) 2.0 (1.4–2.7), grade 1.8 (1.3–2.5). For >12 years education, ORs were: 1.3 (0.9–2.0), 2.4 (1.5–3.8), 2.9 (1.8–4.6), 1.7 (1.1–2.6). Calendar plot was most preferred. Conclusions Adherence the least understood format regardless education. Practice implications Calendars should be used convey information.