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AIDS and Behavior
Published in: AIDS and Behavior 1/2008

01-01-2008 | Original Paper

Optimal Recall Period and Response Task for Self-Reported HIV Medication Adherence

Authors: Minyi Lu, Steven A. Safren, Paul R. Skolnik, William H. Rogers, William Coady, Helene Hardy, Ira B. Wilson

Published in: AIDS and Behavior | Issue 1/2008

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Abstract

Self-reported measures of antiretroviral adherence vary greatly in recall time periods and response tasks. To determine which time frame is most accurate, we compared 3-, 7-day, and 1-month self-reports with data from medication event monitoring system (MEMS). To determine which response task is most accurate we compared three different 1-month self-report tasks (frequency, percent, and rating) to MEMS. We analyzed 643 study visits made by 156 participants. Over-reporting (self-report minus MEMS) was significantly less for the 1-month recall period (9%) than for the 3 (17%) or 7-day (14%) periods. Over-reporting was significantly less for the 1-month rating task (3%) than for the 1-month frequency and percent tasks (both 12%). We conclude that 1-month recall periods may be more accurate than 3- or 7-day periods, and that items that ask respondents to rate their adherence may be more accurate than those that ask about frequencies or percents.
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Metadata
Title
Optimal Recall Period and Response Task for Self-Reported HIV Medication Adherence
Authors
Minyi Lu
Steven A. Safren
Paul R. Skolnik
William H. Rogers
William Coady
Helene Hardy
Ira B. Wilson
Publication date
01-01-2008
Publisher
Springer US
Published in
AIDS and Behavior / Issue 1/2008
Print ISSN: 1090-7165
Electronic ISSN: 1573-3254
DOI
https://doi.org/10.1007/s10461-007-9261-4

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