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Related Experiment Video

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A smartphone application to reduce problematic drinking: a feasibility trial.

Christian Aljoscha Lukas1, Jens Blechert2, Matthias Berking3

  • 1Friedrich-Alexander-University Erlangen-Nuremberg, Naegelsbachstr 25a, 91052, Erlangen, Germany.

Pilot and Feasibility Studies
|February 20, 2024
PubMed
Summary

Smartphone interventions show promise for reducing problematic drinking in college students. A brief app-based approach significantly decreased alcohol consumption and negative attitudes toward alcohol, with effects sustained at follow-up.

Keywords:
AlcoholBrief interventionMobile healthProblematic drinkingSmartphone-based intervention

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Area of Science:

  • Psychology
  • Public Health
  • Digital Health

Background:

  • Problematic drinking is prevalent among college students, leading to significant health issues.
  • Smartphones offer a viable platform for delivering interventions to this demographic.
  • A novel intervention combined counseling with an app using approach-avoidance training.

Purpose of the Study:

  • To assess the feasibility and potential efficacy of a smartphone-based intervention for reducing problematic drinking in college students.
  • To evaluate the intervention's impact on drinking behavior, attitudes, and craving.

Main Methods:

  • A before-after single-arm study involving 11 participants with problematic drinking.
  • Participants used a smartphone app for 14 days, incorporating approach-avoidance modification training.
  • Feasibility was measured using the System Usability Scale (SUS); outcomes included self-reported drinking, attitudes, and craving.

Main Results:

  • The app achieved high usability scores (SUS M=84.32).
  • Significant reductions in problematic drinking behavior were observed, sustained at 4-week follow-up (d=0.91 pre-post, d=1.07 baseline-follow-up).
  • Dysfunctional attitudes about alcohol also significantly decreased (d=1.48).

Conclusions:

  • Smartphone-based interventions show preliminary effectiveness in reducing problematic drinking among college students.
  • The intervention is feasible and well-received by users.
  • Larger randomized controlled trials are needed to confirm these findings.