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User Models for Personalized Physical Activity Interventions: Scoping Review.

Suparna Ghanvatkar1, Atreyi Kankanhalli1, Vaibhav Rajan1

  • 1Department of Information Systems and Analytics, School of Computing, National University of Singapore, Singapore, Singapore.

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This summary is machine-generated.

Personalized interventions in fitness apps effectively increase physical activity (PA). This review identifies personalization types, user models, and future research needs for enhanced PA promotion through technology.

Keywords:
automationexercisehealth communicationhealth promotionmobile appsphysical fitnessreviewweb browser

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Area of Science:

  • Digital Health
  • Behavioral Science
  • Human-Computer Interaction

Background:

  • Fitness devices and apps aim to increase physical activity (PA) through user motivation.
  • Personalization is crucial due to diverse user needs, preferences, and behaviors.

Purpose of the Study:

  • Identify personalization types in technology-based PA interventions.
  • Determine user models employed for personalization.
  • Highlight research gaps and suggest future directions for PA promotion.

Main Methods:

  • Scoping review of PsycINFO, PubMed, Scopus, and Web of Science databases.
  • Inclusion criteria: studies promoting PA via technology, incorporating personalization, and describing user models.
  • Analysis of 49 eligible studies.

Main Results:

  • Personalization categories include goal, activity, and partner recommendations, plus content and timing adjustments.
  • User models utilize PA profiles, demographics, medical data, behavior change techniques (BCTs), and contextual information.
  • 16 of 27 evaluated studies found personalized interventions more effective for increasing PA.

Conclusions:

  • Data-driven prediction and BCTs in automated interventions show promise for PA promotion.
  • Future research should focus on adapting interventions for clinical populations and developing holistic user models.
  • Long-term effects and technology mediums require rigorous evaluation.