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Modifying alcohol consumption to reduce obesity: a randomized controlled feasibility study of a complex community-based intervention for men

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Author(s)

Linda Irvine, Iain K. Crombie, Kathryn B. Cunningham, Brian Williams, Falko F. Sniehotta, John Norrie, Ambrose J. Melson, Claire Jones, Peter Rice, Peter W. Slane, Marcus Achison, Andrew Mckenzie, Elena D. Dimova, Sheila Allan

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Abstract

Objectives

Being obese and drinking more than 14 units of alcohol per week places men at very high risk of developing liver disease. This study assessed the feasibility of a trial to reduce alcohol consumption. It tested the recruitment strategy, engagement with the intervention, retention and study acceptability.

Methods

Men aged 35–64 years who drank >21 units of alcohol per week and had a BMI > 30 were recruited by two methods: from GP patient registers and by community outreach. The intervention was delivered by a face to face session followed by a series of text messages. Trained lay people (Study Coordinators) delivered the face to face session. Participants were followed up for 5 months from baseline to measure weekly alcohol consumption and BMI.

Results

The recruitment target of 60 was exceeded, with 69 men recruited and randomized. At baseline, almost all the participants (95%) exceeded the threshold for a 19-fold increase in the risk of dying from liver disease. The intervention was delivered with high fidelity. A very high follow-up rate was achieved (98%) and the outcomes for the full trial were measured. Process evaluation showed that participants responded as intended to key steps in the behaviour change strategy. The acceptability of the study methods was high: e.g. 80% of men would recommend the study to others.

Conclusions

This feasibility study identified a group at high risk of liver disease. It showed that a full trial could be conducted to test the effectiveness and cost-effectiveness of the intervention.

Trial registration

Current controlled trials: ISRCTN55309164.

Trial funding
National Institute for Health Research Health Technology Assessment (NIHR HTA).
Short summary

This feasibility study recruited 69 men at high risk of developing liver disease. The novel intervention, to reduce alcohol consumption through the motivation of weight loss, was well received. A very high follow-up rate was achieved. Process evaluation showed that participants engaged with key components of the behaviour change strategy.
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Details

Original languageEnglish
Pages (from-to)677-684
Number of pages8
JournalAlcohol and Alcoholism
Volume52
Issue number6
Early online date18 Sep 2017
DOIs
Publication statusPublished - 1 Nov 2017

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