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Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
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Help on Demand, a Self-Directed Mobile App Intervention for Gambling Problems: Development and Usability Study.

Brad W Brazeau1, John A Cunningham2,3,4, David C Hodgins1

  • 1Department of Psychology, University of Calgary, 2500 University Dr NW, Calgary, AB, T2N1N4, Canada, 1 403-210-9500.

JMIR Formative Research
|March 24, 2026
PubMed
Summary
This summary is machine-generated.

A new mobile app for gambling problems shows promise for self-directed intervention, demonstrating feasibility and acceptability in initial testing. Further personalization is needed to enhance engagement with digital mental health tools.

Keywords:
addictive behaviorecological momentary interventiongamblingjust-in-time adaptive interventionmobile appself-directed treatmentself-helptelemedicine

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Area of Science:

  • Digital mental health
  • Behavioral science
  • Mobile health interventions

Background:

  • Self-directed interventions for gambling problems are limited in availability and engagement.
  • Mobile applications offer a potential solution to enhance accessibility and user engagement for these interventions.

Purpose of the Study:

  • To develop a self-directed mobile app intervention for gambling problems.
  • To conduct initial feasibility and acceptability testing of the app with Canadian adults experiencing gambling problems.

Main Methods:

  • The app intervention was based on established self-directed workbook content.
  • Features included daily gambling diaries, tailored activities, and psychoeducation.
  • Feasibility and acceptability were assessed through surveys, focus groups, and app usage data over two weeks.

Main Results:

  • The app demonstrated feasibility with short activity completion times and moderate daily diary completion rates.
  • Users reported favorable reviews regarding credibility, ease of use, and potential impact.
  • Feedback on specific features like daily diaries was variable, indicating a need for personalization.

Conclusions:

  • The mobile app intervention met feasibility and acceptability thresholds.
  • Results will guide improvements for future effectiveness testing.
  • User feedback highlights the need for greater personalization in digital mental health interventions for gambling problems.