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Related Experiment Video

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Development of an mHealth Platform for Adolescent Obesity Prevention: User-Centered Design Approach.

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Summary

The TeenPower mobile health program used gamification to help adolescents adopt healthy habits and prevent obesity. While the platform was well-received, user retention decreased, indicating a need to enhance the gamification experience.

Keywords:
PSSUQadolescentsdesign processmHealthobesityuser-centered design approach

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Area of Science:

  • Public Health
  • Digital Health
  • Behavioral Science

Background:

  • Obesity is a global health challenge impacting quality of life and economies.
  • Multidisciplinary programs and mobile health (mHealth) interventions are key for obesity prevention.
  • Gamification in mHealth can enhance user engagement in healthy behavior change.

Purpose of the Study:

  • To describe the development and assessment of the TeenPower mHealth intervention for adolescent obesity prevention.
  • To propose a user-centered design model for future mHealth developments.
  • To evaluate the effectiveness of gamification in promoting healthy behaviors among adolescents.

Main Methods:

  • Agile software development for a web and mobile platform.
  • User-centered design approach with three phases: design study, usability testing, and post-production data analysis.
  • Assessment included high-fidelity interface design (n=5), usability testing (n=5), and real-user data analysis (n=90).

Main Results:

  • The user-centered design process resulted in a tailored platform meeting user expectations.
  • Usability testing achieved a 100% task completion rate.
  • The platform achieved an average user retention rate of 35%, but showed a significant decrease over time.

Conclusions:

  • The TeenPower intervention demonstrates the potential of mHealth and gamification for adolescent obesity prevention.
  • The proposed user-centered design model provides a framework for developing effective digital health tools.
  • Further improvements in gamification are needed to sustain long-term user engagement and retention.