Measurement Properties of Existing Patient-Reported Outcome Measures on Medication Adherence: Systematic Review (Preprint)
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2020-04-11
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Abstract
Medication adherence is essential for improving the health outcomes of patients. Various patient-reported outcome measures (PROMs) have been developed to measure medication adherence in patients. However, no study has summarized the psychometric properties of these PROMs to guide selection for use in clinical practice or research.
OBJECTIVEThis study aims to evaluate the quality of the PROMs used to measure medication adherence.
METHODSThis study was guided by the PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis) guidelines. Relevant articles were retrieved from the EMBASE, PubMed, Cochrane Library, Web of Science, and CINAHL (Cumulative Index to Nursing and Allied Health Literature) databases. The PROMs were then evaluated based on the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) guidelines.
RESULTSA total of 121 unique medication adherence PROMs from 214 studies were identified. <i>Hypotheses testing for construct validity</i> and <i>internal consistency</i> were the most frequently assessed measurement properties. PROMs with at least a <i>moderate</i> level of evidence for ≥5 measurement properties include the Adherence Starts with Knowledge 20, Compliance Questionnaire-Rheumatology, General Medication Adherence Scale, Hill-Bone Scale, Immunosuppressant Therapy Barrier Scale, Medication Adherence Reasons Scale (MAR-Scale) revised, 5-item Medication Adherence Rating Scale (MARS-5), 9-item MARS (MARS-9), 4-item Morisky Medication Adherence Scale (MMAS-4), 8-item MMAS (MMAS-8), Self-efficacy for Appropriate Medication Adherence Scale, Satisfaction with Iron Chelation Therapy, Test of Adherence to Inhalers, and questionnaire by Voils. The MAR-Scale revised, MMAS-4, and MMAS-8 have been administered electronically.
CONCLUSIONSThis study identified 121 PROMs for medication adherence and provided synthesized evidence for the measurement properties of these PROMs. The findings from this study may assist clinicians and researchers in selecting suitable PROMs to assess medication adherence.
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Kwan, Yu Heng, Si Dun Weng, Dionne Hui Fang Loh, Jie Kie Phang, Livia Jia Yi Oo, Dan V Blalock, Eng Hui Chew, Kai Zhen Yap, et al. (2020). Measurement Properties of Existing Patient-Reported Outcome Measures on Medication Adherence: Systematic Review (Preprint). 10.2196/preprints.19179 Retrieved from https://hdl.handle.net/10161/29817.
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Daniel Blalock
I am a research scientist and Licensed Clinical Psychologist with a background in health services research, clinical psychology, and experimental psychology. My research interests include 1) the evaluation of current integrated behavioral health settings in health care systems to optimize future implementation efforts, 2) the development of novel integrated behavioral health strategies tailored to specific populations and healthcare system needs, 3) broad processes of behavior change and self-regulation, and 4) psychometric measurement of patient reported outcomes and research methods/statistics.
These interests have taken the form of specific research endeavors involving: a) large nonrandomized investigations of electronic health records data, b) development and evaluation of telehealth interventions to improve self-management of mental and physical health behaviors, and c) evaluation of patient-reported outcomes through telehealth modalities and in primary care, specialty care, and higher level of care settings.
To date, the content domains of most of my research have involved substance use (specifically alcohol, opioids, and tobacco), health behaviors (specifically medication adherence), mental health (specifically anxiety, depression, PTSD, and eating disorders), and health services utilization.
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