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Utilizing wearable technology to increase physical activity in future physicians: A randomized trial.

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Adding weekly challenges to activity trackers significantly boosted medical students' daily steps. This intervention also improved body composition, particularly in overweight individuals.

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Area of Science:

  • Health Sciences
  • Behavioral Science
  • Medical Education

Background:

  • Medical students face unique stressors impacting physical activity and body composition.
  • Activity trackers are widely used but their long-term efficacy with behavioral interventions is less understood.
  • Interventions to promote healthy lifestyles in medical students are crucial for well-being and academic performance.

Purpose of the Study:

  • To evaluate the impact of activity trackers combined with weekly behavioral challenges on physical activity and body composition in medical students.
  • To compare the effectiveness of activity trackers with and without supplementary weekly communication.
  • To assess changes in step count, body fat percentage, and lean body mass over one academic year.

Main Methods:

  • A randomized clinical trial involving 120 medical students over one academic year.
  • Three groups: Fitbit-Plus (tracker + weekly challenges), Fitbit-Only (tracker only), and Control (no tracker).
  • Outcome measures included daily step count and body composition analysis (body fat percentage, lean body mass).

Main Results:

  • The Fitbit-Plus group showed higher overall mean daily steps compared to the Fitbit-Only group.
  • Significant differences in step count were observed in April and May.
  • Overweight women in the Fitbit-Plus group experienced a decrease in body fat percentage.
  • Overweight men in the Fitbit-Plus group showed an increase in lean body mass.

Conclusions:

  • Combining activity trackers with weekly behavioral challenges enhances physical activity levels in medical students.
  • This combined approach shows potential for improving body composition, especially in overweight students.
  • Activity trackers are a valuable tool, but their effectiveness is amplified by structured behavioral support.