Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/36151
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles
Peer Review Status: Refereed
Title: Do engagement and behavioural mechanisms underpin the effectiveness of the Drink Less app?
Author(s): Garnett, Claire
Dinu, Larisa-Maria
Oldham, Melissa
Perski, Olga
Loebenberg, Gemma
Beard, Emma
Angus, Colin
Burton, Robyn
Field, Matt
Greaves, Felix
Hickman, Matthew
Kaner, Eileen
Michie, Susan
Munafò, Marcus
Pizzo, Elena
Brown, Jamie
Contact Email: robyn.burton@stir.ac.uk
Issue Date: 29-Jun-2024
Date Deposited: 23-Jul-2024
Citation: Garnett C, Dinu L, Oldham M, Perski O, Loebenberg G, Beard E, Angus C, Burton R, Field M, Greaves F, Hickman M, Kaner E, Michie S, Munafò M, Pizzo E & Brown J (2024) Do engagement and behavioural mechanisms underpin the effectiveness of the Drink Less app?. <i>npj Digital Medicine</i>, 7 (1). https://doi.org/10.1038/s41746-024-01169-7
Abstract: This is a process evaluation of a large UK-based randomised controlled trial (RCT) (n = 5602) evaluating the effectiveness of recommending an alcohol reduction app, Drink Less, compared with usual digital care in reducing alcohol consumption in increasing and higher risk drinkers. The aim was to understand whether participants' engagement ('self-reported adherence') and behavioural characteristics were mechanisms of action underpinning the effectiveness of Drink Less. Self-reported adherence with both digital tools was over 70% (Drink Less: 78.0%, 95% CI = 77.6-78.4; usual digital care: 71.5%, 95% CI = 71.0-71.9). Self-reported adherence to the intervention (average causal mediation effect [ACME] = -0.250, 95% CI = -0.42, -0.11) and self-monitoring behaviour (ACME = -0.235, 95% CI = -0.44, -0.03) both partially mediated the effect of the intervention (versus comparator) on alcohol reduction. Following the recommendation (self-reported adherence) and the tracking (self-monitoring behaviour) feature of the Drink Less app appear to be important mechanisms of action for alcohol reduction among increasing and higher risk drinkers.
DOI Link: 10.1038/s41746-024-01169-7
Rights: Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. © The Author(s) 2024
Licence URL(s): http://creativecommons.org/licenses/by-nc/4.0/

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