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Mixed-methods approach to determine adherence, knowledge and behavioral determinants associated with medication
Lorna Marie West1, Derek Stewart2, Maria Cordina1
1Medication Use Research Group, Department of Clinical Pharmacology and Therapeutics, Faculty of Medicine and Surgery, University of Malta, Msida, Malta.
Research in Social & Administrative Pharmacy : RSAP
|August 19, 2019
Summary
Public knowledge of medication wastage and adherence is insufficient. Targeted educational interventions addressing behavioral determinants are needed to reduce medication waste and improve disposal practices.
Area of Science:
- Public Health
- Behavioral Science
- Pharmaceutical Sciences
Background:
- Limited research exists on public knowledge and behaviors regarding medication wastage prevention.
- This study addresses the gap by investigating public knowledge, adherence, and behavioral factors contributing to medication waste.
Purpose of the Study:
- To determine the public's knowledge of medication wastage.
- To assess the association between medication knowledge and adherence.
- To identify behavioral determinants influencing medication wastage.
Main Methods:
- A mixed-method approach combining quantitative surveys and qualitative interviews with Maltese residents.
- Data collected on demographics, medication adherence, and knowledge of medication wastage.
- The Theoretical Domains Framework (TDF) guided qualitative interviews to explore behavioral determinants.
Main Results:
- 31% of respondents reported having unused medication, with only 18.8% demonstrating optimal adherence.
- Average knowledge score was 4.7/8, and knowledge was not significantly related to adherence.
- Key TDF domains influencing wastage included knowledge, beliefs about consequences, and behavioral regulation.
Conclusions:
- Inadequate public knowledge and adherence necessitate tailored educational interventions.
- Behavioral determinants identified should inform policy development for medication disposal and waste reduction.
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