Instrument details

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Instrument Title

Self-Reported Adherence Questionnaire

View PDF - Self-report_Wilson.pdf

Source Article

Wilson, I. B., Lee, Y., Michaud, J., Fowler, F. J., & Rogers, W. H. (2016). Validation of a new three-item self-report measure for medication adherence. AIDS and Behavior, 20(11), 2700-2708.

Response Options

  • Number of doses missed
  • 5-point (never, rarely, sometimes, usually, almost always, always)
  • 5-point (very poor, poor, fair, good, very good, excellent)

Survey Items

  1. In the last 30 days, on how many days did you miss at least one dose of any of your [drug name]? (write in number of days, 0–30). [Note that ‘‘days taken’’ is 30 minus the number of days missed.]
  2. In the last 30 days, how often did you take your [drug name] in the way you were supposed to?(never/rarely/sometimes/usually/almost always/always)
  3. In the last 30 days, how good a job did you do at taking your [drug name] in the way you were supposed to? (very poor/poor/fair/good/very good/ excellent)

Internal Reliability

Cronbach’s α for HIV ARVs = 0.84; Cronbach’s α for non-ARVs = 0.87.

Validity

Content validity was assessed. Known group validity was assessed. Criterion-related validity was assessed via comparison with Medication Event Monitoring Systems (MEMS).

Google Scholar

View article on Google Scholar

Terms Of Use

Individuals may use this information for research or educational purposes only and may not use this information for commercial purposes. When using this instrument, please cite:

Wilson, I. B., Lee, Y., Michaud, J., Fowler, F. J., & Rogers, W. H. (2016). Validation of a new three-item self-report measure for medication adherence. AIDS and Behavior, 20(11), 2700-2708.

When presenting results using any survey information you obtained from the SABI, please acknowledge the University of North Carolina at Chapel Hill Center for AIDS Research (CFAR), an NIH funded program P30 AI50410.