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Financial Incentives Improve Completion of HBV Vaccination

Significant improvement in vaccine adherence seen in patients receiving heroin treatment

Financial Incentives Improve Completion of HBV Vaccination

THURSDAY, April 10, 2014 (HealthDay News) -- Modest financial incentives significantly improve adherence to hepatitis B virus (HBV) vaccination programs among patients receiving opioid dependence treatment, according to a study published online April 9 in The Lancet.

Tim Weaver, Ph.D., from Imperial College London, and colleagues enrolled 210 participants at 12 drug treatment service sites that provided opioid substitution therapy and nurse-led HBV vaccination with a super-accelerated schedule (vaccination days 0, 7, and 21). Participants were randomly allocated 1:1:1 to provide vaccination without incentive (treatment as usual; 67 patients), with fixed value contingency management (three £10 vouchers; 78 patients), or escalating value contingency management (£5, £10, and £15 vouchers; 65 patients). On-time attendance at appointments was rewarded in the contingency management groups.

The researchers found that 45 percent of participants in the fixed value contingency management group (odds ratio, 12.1; P < 0.0001) and 49 percent of participants in the escalating value contingency management group (odds ratio, 14.0; P < 0.0001) completed clinically appropriate HBV vaccination within 28 days, compared to the usual-care group.

"Modest financial incentives delivered in routine clinical practice significantly improve adherence to, and completion of, HBV vaccination programs in patients receiving opioid substitution therapy," the authors write.

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