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Volume 384, Issue 9938, Pages 153-163 (July 2014)
Use of contingency management incentives to improve completion of hepatitis B vaccination in people undergoing treatment for heroin dependence: a cluster randomised trial Tim Weaver, PhD, Nicola Metrebian, PhD, Jennifer Hellier, MSc, Prof Stephen Pilling, PhD, Vikki Charles, MA, Nicholas Little, MSc, Dilkushi Poovendran, MSc, Luke Mitcheson, DClinPsy, Frank Ryan, D Psychol, Owen Bowden-Jones, FRCPsych, John Dunn, DM, Anthony Glasper, MRCPsych, Emily Finch, MD, Prof John Strang, MD The Lancet Volume 384, Issue 9938, Pages (July 2014) DOI: /S (14) Copyright © 2014 Weaver et al. Open Access article distributed under the terms of CC BY Terms and Conditions
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Figure 1 Trial profile HBV=hepatitis B virus. *Site undertook blood testing for HBV. The Lancet , DOI: ( /S (14) ) Copyright © 2014 Weaver et al. Open Access article distributed under the terms of CC BY Terms and Conditions
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Figure 2 Attrition of study participants over the course of vaccination schedule (attendance/expected attendance) The Lancet , DOI: ( /S (14) ) Copyright © 2014 Weaver et al. Open Access article distributed under the terms of CC BY Terms and Conditions
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Figure 3 Predictive margins for the primary and sensitivity analyses
(A) Completers of hepatitis B vaccination within 28 days (primary outcome). (B) Completers of hepatitis B vaccination attending all relevant appointments on time. (C) Completers of hepatitis B vaccination within 3 months. Predictive margins (95% CIs) are derived from fully adjusted generalised estimating equation model, controlling for the blood test status and allowing for site at the cluster level. The Lancet , DOI: ( /S (14) ) Copyright © 2014 Weaver et al. Open Access article distributed under the terms of CC BY Terms and Conditions
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