期刊
LANCET
卷 384, 期 9938, 页码 153-163出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0140-6736(14)60196-3
关键词
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资金
- National Institute for Health Research (NIHR) under its Programme Grants for Applied Research Programme [RP-PG-0707-10149]
- NIHR Biomedical Research Centre for Mental Health at South London
- Maudsley NHS Foundation Trust
- Mental Health Research Network
- King's College London
- National Institutes of Health Research (NIHR) [RP-PG-0707-10149] Funding Source: National Institutes of Health Research (NIHR)
- National Institute for Health Research [RP-PG-0707-10149] Funding Source: researchfish
Background Poor adherence to treatment diminishes its individual and public health benefit. Financial incentives, provided on the condition of treatment attendance, could address this problem. Injecting drug users are a high-risk group for hepatitis B virus (HBV) infection and transmission, but adherence to vaccination programmes is poor. We aimed to assess whether contingency management delivered in routine clinical practice increased the completion of HBV vaccination in individuals receiving opioid substitution therapy. Methods In our cluster randomised controlled trial, we enrolled participants at 12 National Health Service drug treatment services in the UK that provided opioid substitution therapy and nurse-led HBV vaccination with a super-accelerated schedule (vaccination days 0, 7, and 21). Clusters were randomly allocated 1:1:1 to provide vaccination without incentive (treatment as usual), with fixed value contingency management (three 10 pound vouchers), or escalating value contingency management (5 pound, 10 pound, and 15 pound vouchers). Both contingency management schedules rewarded on-time attendance at appointments. The primary outcome was completion of clinically appropriate HBV vaccination within 28 days. We also did sensitivity analyses that examined vaccination completion with full adherence to appointment times and within a 3 month window. The trial is registered with Current Controlled Trials, number ISRCTN72794493. Findings Between March 16, 2011, and April 26, 2012, we enrolled 210 eligible participants. Compared with six (9%) of 67 participants treated as usual, 35 (45%) of 78 participants in the fixed value contingency management group met the primary outcome measure (odds ratio 12.1, 95% CI 3.7-39.9; p<0.0001), as did 32 (49%) of 65 participants in the escalating value contingency management group (14.0,4.2-46.2; p<0.0001). These differences remained significant with sensitivity analyses. Interpretation Modest financial incentives delivered in routine clinical practice significantly improve adherence to, and completion of, HBV vaccination programmes in patients receiving opioid substitution therapy. Achievement of this improvement in routine clinical practice should now prompt actual implementation. Drug treatment providers should employ contingency management to promote adherence to vaccination programmes. The effectiveness of routine use of contingency management to achieve long-term behaviour change remains unknown. Funding National Institute for Health Research (RP-PG-0707-10149).
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