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Assessing the Accuracy of Fitness Smartwatch Data for Cardiovascular and Physical Activity Monitoring: A Validation Study in Digital Health
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Smart Wearable Device Users' Behavior Is Essential for Physical Activity Improvement.

Hsin-Yen Yen1, Yung Liao2, Hao-Yun Huang3

  • 1School of Gerontology Health Management, College of Nursing, Taipei Medical University, Taipei, Taiwan. yenken520@gmail.com.

International Journal of Behavioral Medicine
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Summary

Wearable devices did not significantly change physical activity or sedentary behavior in a 12-week trial. However, longer wear time positively impacted activity, and frequent device checks correlated with more sedentary time.

Keywords:
ExerciseHealth behaviorHealthy lifestyleSedentary behaviorTechnology

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Area of Science:

  • Health Sciences
  • Behavioral Science
  • Human-Computer Interaction

Background:

  • Wearable devices are increasingly popular for health monitoring.
  • Understanding their impact on physical activity and sedentary behavior is crucial.
  • Previous research has yielded mixed results on device efficacy.

Purpose of the Study:

  • To investigate the effect of wearable devices on physical activity and sedentary behavior.
  • To explore the relationship between physical activity and user behavior with these devices.
  • To assess the impact of different smart wearable devices versus a mobile app control.

Main Methods:

  • A 12-week, three-arm randomized controlled trial was conducted.
  • Healthy adults new to wearable technology were recruited.
  • Participants were assigned to a control (mobile app) or one of two wearable device groups.

Main Results:

  • No significant group, time, or interaction effects were found for physical activity, sedentary time, or sleep quality.
  • Increased wearing duration positively predicted changes in low-intensity and total physical activity.
  • More frequent device checking negatively predicted changes in sedentary time.

Conclusions:

  • User behavior, such as wearing duration and interaction frequency, is key to maximizing benefits.
  • Simply using a wearable device may not be enough; engagement is essential.
  • Future interventions should focus on promoting consistent device use and mindful interaction.