Morisky Medication Adherence Scale.

MMAS-8 / MMAS-4

What it measures

Self-reported medication-taking adherence (forgetting, stopping, carelessness, situational and emotional barriers)

Length and format

8 (MMAS-8); 4 (MMAS-4 / original MMAS). mostly yes/no (+ one 5-point item in MMAS-8); total 0-8 (low/medium/high adherence) (self-report questionnaire)

Language versions

80+ language versions (licensed translations via the copyright holder)

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

copyrighted - commercial

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Morisky, D. E., Ang, A., Krousel-Wood, M., & Ward, H. J. (2008). Predictive validity of a medication adherence measure in an outpatient setting. Journal of Clinical Hypertension, 10(5), 348-354.