Effect of a brief intervention with small financial incentives on alcohol consumption in China: study protocol for a randomised controlled trial

Shanshan Li, Ziting Wu, Sijia Liu, Yu Sun, Gordon G Liu, Shanshan Li, Ziting Wu, Sijia Liu, Yu Sun, Gordon G Liu

Abstract

Introduction: Alcohol consumption is the seventh leading risk factor for disability-adjusted life years in the world, according to the Global Burden of Disease Study 2017. As the largest developing country, China has a substantial population of alcohol consumers who suffer from related health risks. Despite having made significant advancements in eradicating absolute poverty, many people still live in relative poverty, which suggests that the adverse health effects caused by alcohol consumption among vulnerable populations in China warrant more attention. This paper aims to provide an overview of alcohol consumption among ethnic populations in China and test the feasibility and efficacy of a brief advice intervention with a small financial incentive in reducing harmful drinking behaviours.

Methods: This study is a three-arm, single-blinded, pragmatic, individually randomised controlled trial with follow-ups at 1,2 and 3 months after randomisation. A total of 440 daily drinkers living in Xichang will be recruited and divided into three groups: brief intervention group, financial incentive group and control group. All participants will receive a urine ethyl glucuronide (EtG) test, which detects alcohol consumption in the past 80 hours. Additionally, participants in the brief intervention group will receive three free counselling sessions alongside multimedia messages on the topic of alcohol consumption after each session. The participants in the financial incentive group will receive the same interventions as well as cash incentives according to the results of the EtG test. The primary outcomes are the self-reported drinking quantity, binge drinking frequency, drinking intensity and the proportion of participants who pass the EtG test.

Ethics and dissemination: This protocol was approved by the Peking University Health Science Center Institutional Review Board (IRB00001052-20049). Findings will be published in peer-reviewed journals and presented at local, national and international conferences to publicise and explain the research to key audiences.

Trial registration number: NCT04999371.

Keywords: alcohol disorder; health economic; rural China.

Conflict of interest statement

Competing interests: None declared.

© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

Figures

Figure 1
Figure 1
CONSORT flow diagram. This diagram shows all the processes of the three-arm, individual randomised controlled trial, including participants recruitment, baseline survey, randomisation, intervention, follow-up survey and final evaluation. AUDIT, Alcohol Use Disorder Identification TestCONSORT, Consolidated Standards of Reporting Trials.

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