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Informing behaviour change intervention design using systematic review with Bayesian meta-analysis: physical activity
Aliya Amirova1, Lauren Taylor2, Brittannia Volkmer3
1Health Psychology Section, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
Health Psychology Review
|June 14, 2022
Summary
This study synthesized evidence on physical activity barriers and enablers for adults with heart failure (HF). Key barriers include high pro-b-type natriuretic peptide and symptom distress, while social support and self-efficacy are crucial enablers.
Area of Science:
- Cardiology
- Behavioral Science
- Evidence Synthesis
Background:
- Heart failure (HF) management often involves lifestyle modifications, including physical activity.
- Understanding barriers and enablers to physical activity is crucial for effective behavior change interventions in HF patients.
- Existing evidence synthesis methods may not fully capture the nuances of qualitative and quantitative data in this domain.
Purpose of the Study:
- To synthesize evidence on barriers and enablers to physical activity in adults with heart failure (HF) using a Bayesian approach.
- To inform the development of targeted behavior change interventions for improving physical activity in HF.
- To quantify the uncertainty associated with identified barriers and enablers.
Main Methods:
- Employed a Bayesian meta-analysis to synthesize evidence from qualitative and quantitative studies.
- Utilized the Theoretical Domains Framework to annotate qualitative data, establishing prior distributions.
- Estimated the relationship between physical activity and determinants using maximum a posteriori probability (MAP) and assessed uncertainty via standard deviation (SD).
Main Results:
- High pro-b-type natriuretic peptide (MAP=-1.16) and self-reported symptoms (MAP=-0.48) were identified as significant barriers with low uncertainty.
- Modifiable barriers included symptom distress (MAP=-0.46) and negative attitudes (MAP=-0.40).
- Key modifiable enablers were social support (MAP=0.56), self-efficacy (MAP=0.43), and positive attitudes towards physical activity (MAP=0.92).
Conclusions:
- Identified specific physiological, symptomatic, and psychological factors influencing physical activity in HF patients.
- Highlighted the importance of addressing modifiable barriers like symptom distress and negative attitudes.
- Emphasized the role of promoting social support, self-efficacy, and positive attitudes as crucial enablers for physical activity in HF management.
Keywords:
Barriers and enablersBayesian meta-analysisBehaviour changeHeart failurePhysical activityTheoretical Domains FrameworkMore Related Videos
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