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Physical Activity Measurement in Children Accepting Table Tennis Training
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How can schools help youth increase physical activity? An economic analysis comparing school-based programs.

Susan H Babey1, Shinyi Wu2, Deborah Cohen3

  • 1UCLA Center for Health Policy Research, Department of Health Policy and Management, Fielding School of Public Health, University of California, Los Angeles, CA, USA.

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Short physical activity breaks during the school day are a cost-effective strategy to increase youth physical activity. These brief, accessible interventions offer broad reach and are ideal for sedentary students.

Keywords:
After-school programsEconomic analysisPhysical activitySchoolYouth

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Area of Science:

  • Public Health
  • Pediatric Health
  • Exercise Science

Background:

  • Physical activity is crucial for optimal youth health.
  • School settings offer opportunities to increase physical activity, but current physical education (PE) and recess often fall short of recommended durations.
  • Youth spend significant time in school, making it a key environment for promoting physical activity.

Purpose of the Study:

  • To evaluate the cost-effectiveness and reach of various school-based physical activity interventions for youth.
  • To compare after-school programs, before-school programs, PE classes, extended-day PE, and short physical activity breaks.

Main Methods:

  • An economic analysis was performed in 2013.
  • Key factors analyzed included costs, reach, physical activity gains, and cost-effectiveness.
  • Different school-based physical activity strategies were compared.

Main Results:

  • Extending the school day with mandatory PE and implementing short (10-minute) physical activity breaks were most effective in terms of reach and cost per student.
  • After-school programs had higher costs and lower reach but offered additional benefits like childcare.
  • Before-school programs were found to be not feasible.

Conclusions:

  • Short physical activity breaks integrated into the school day represent a cost-effective method for boosting physical activity among youth.
  • This intervention is inexpensive, has a wide reach, and is particularly beneficial for sedentary periods.
  • School-based physical activity breaks are a practical approach to enhance student health.