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Smartphone application for unhealthy alcohol use: A pilot study.

Nicolas Bertholet1, Jean-Bernard Daeppen1, Jennifer McNeely2

  • 1a Alcohol Treatment Center, Department of Community Medicine and Health , Lausanne University Hospital , Lausanne , Vaud , Switzerland.

Substance Abuse
|January 24, 2017
PubMed
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This study found a smartphone app for unhealthy alcohol use is acceptable and useful. More frequent app use correlated with reduced weekly drinking, suggesting potential for behavior change.

Area of Science:

  • Digital health interventions
  • Mobile health (mHealth) applications
  • Substance use disorder treatment

Background:

  • Technology-delivered interventions, particularly smartphone applications, offer convenient methods for addressing unhealthy alcohol use.
  • A novel smartphone application was developed with modules for personal feedback, self-monitoring, a designated driver tool, a blood alcohol content (BAC) calculator, and informational resources.

Purpose of the Study:

  • To assess the acceptability and usefulness of a smartphone application designed for individuals with unhealthy alcohol use.
  • To investigate the association between the frequency of application use and changes in drinking behaviors over a 3-month period.

Main Methods:

  • 130 adults with unhealthy alcohol use were recruited in Switzerland and Canada and offered the smartphone application.
Keywords:
Alcoholbrief interventionelectronic interventionsmartphone

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  • Follow-up assessments at 3 months included module usage, appreciation, usefulness ratings, and self-reported drinking outcomes (drinks/week, binge drinking).
  • Statistical analyses, including negative binomial and logistic regression, were used to evaluate associations between application use and drinking outcomes, adjusted for baseline characteristics.

    • Main Results:

    • The study achieved an 86.2% follow-up rate. Significant reductions in weekly drinks (P = .01) and binge drinking (P < .0001) were observed from baseline to follow-up.
    • The application modules received median usefulness ratings between 6 and 8 (on a 1-10 scale), with 77% of participants using the app.
    • Participants who used the application more than once reported significantly fewer weekly drinks at follow-up (IRR = 0.70; 95% CI: 0.51–0.96).

    Conclusions:

    • The developed smartphone application demonstrates acceptability and usefulness for managing unhealthy alcohol use, though improvements are possible.
    • While overall app usage was infrequent without prompting, more than occasional use was associated with reduced weekly alcohol consumption.
    • Future research should focus on randomized trials to confirm efficacy and explore strategies to enhance the frequency of application engagement.