Digital interventions for reducing alcohol use in general populations: An updated systematic review and meta‐analysis

Author:

Sohi Ivneet1ORCID,Shield Kevin D.123,Rehm Jürgen12345,Monteiro Maristela6

Affiliation:

1. Centre for Addiction and Mental Health Institute for Mental Health Policy Research Toronto Ontario Canada

2. Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada

3. Centre for Addiction and Mental Health Campbell Family Mental Health Research Institute Toronto Ontario Canada

4. Department of Psychiatry University of Toronto Toronto Ontario Canada

5. Institute of Medical Science University of Toronto Toronto Ontario Canada

6. Pan American Health Organization Washington District of Columbia USA

Abstract

AbstractThis article updates a 2017 review on the effectiveness of digital interventions for reducing alcohol use in the general population. An updated systematic search of the MEDLINE database was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses criteria to identify randomized controlled trials (RCTs) published from January 2017 to June 2022 that evaluated the effectiveness of digital interventions compared with no interventions, minimal interventions, and face‐to‐face interventions aimed at reducing alcohol use in the general population and, that also reported changes in alcohol use (quantity, frequency, quantity per drinking day, heavy episodic drinking (HED), or alcohol use disorders identification test (AUDIT) scores). A secondary analysis was performed that analyzed data from RCTs conducted in students. The review was not preregistered. The search produced 2224 articles. A total of 80 studies were included in the review, 35 of which were published after the last systematic review. A total of 66, 20, 18, 26, and 9 studies assessed the impact of digital interventions on alcohol quantity, frequency, quantity per drinking day, HED, and AUDIT scores, respectively. Individuals randomized to the digital interventions drank 4.12 (95% confidence interval (CI): 2.88, 5.36) fewer grams of alcohol per day, had 0.17 (95% CI 0.06, 0.29) fewer drinking days per week, drank approximately 3.89 (95% CI: 0.40, 7.38) fewer grams of alcohol per drinking day, had 1.11 (95% CI: 0.32, 1.91) fewer HED occasions per month, and had an AUDIT score 3.04 points lower (95% CI: 2.23, 3.85) than individuals randomized to the control condition. Significant reductions in alcohol quantity, frequency, and HED, but not quantity per drinking day, were observed among students. Digital interventions show potential for reducing alcohol use in general populations and could be used widely at the population level to reduce alcohol‐attributable harms.

Funder

Canadian Institutes of Health Research

Publisher

Wiley

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