The effectiveness of financial incentives for health behaviour change: systematic review and meta-analysis.
<h4>Background</h4>Financial incentive interventions have been suggested as one method of promoting healthy behaviour change.<h4>Objectives</h4>To conduct a systematic review of the effectiveness of financial incentive interventions for encouraging healthy behaviour change; t...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2014-01-01
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| Series: | PLoS ONE |
| Online Access: | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0090347&type=printable |
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| Summary: | <h4>Background</h4>Financial incentive interventions have been suggested as one method of promoting healthy behaviour change.<h4>Objectives</h4>To conduct a systematic review of the effectiveness of financial incentive interventions for encouraging healthy behaviour change; to explore whether effects vary according to the type of behaviour incentivised, post-intervention follow-up time, or incentive value.<h4>Data sources</h4>Searches were of relevant electronic databases, research registers, www.google.com, and the reference lists of previous reviews; and requests for information sent to relevant mailing lists.<h4>Eligibility criteria</h4>Controlled evaluations of the effectiveness of financial incentive interventions, compared to no intervention or usual care, to encourage healthy behaviour change, in non-clinical adult populations, living in high-income countries, were included.<h4>Study appraisal and synthesis</h4>The Cochrane Risk of Bias tool was used to assess all included studies. Meta-analysis was used to explore the effect of financial incentive interventions within groups of similar behaviours and overall. Meta-regression was used to determine if effect varied according to post-intervention follow up time, or incentive value.<h4>Results</h4>Seventeen papers reporting on 16 studies on smoking cessation (n = 10), attendance for vaccination or screening (n = 5), and physical activity (n = 1) were included. In meta-analyses, the average effect of incentive interventions was greater than control for short-term (≤ six months) smoking cessation (relative risk (95% confidence intervals): 2.48 (1.77 to 3.46); long-term (>six months) smoking cessation (1.50 (1.05 to 2.14)); attendance for vaccination or screening (1.92 (1.46 to 2.53)); and for all behaviours combined (1.62 (1.38 to 1.91)). There was not convincing evidence that effects were different between different groups of behaviours. Meta-regression found some, limited, evidence that effect sizes decreased as post-intervention follow-up period and incentive value increased. However, the latter effect may be confounded by the former.<h4>Conclusions</h4>The available evidence suggests that financial incentive interventions are more effective than usual care or no intervention for encouraging healthy behaviour change.<h4>Trial registration</h4>PROSPERO CRD42012002393. |
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| ISSN: | 1932-6203 |