A school-based intervention to reduce overweight and inactivity in children aged 6–12 years: study design of a randomized controlled trial
2008

School Program to Reduce Overweight in Kids

Sample size: 2778 publication Evidence: moderate

Author Information

Author(s): Wilma Jansen, Hein Raat, Evelien Joosten-van Zwanenburg, Ivo Reuvers, Ron van Walsem, Johannes Brug

Primary Institution: Erasmus MC, Rotterdam, The Netherlands

Hypothesis

The intervention will reduce the number of overweight children and improve fitness scores due to increased physical activity in comparison with the control condition.

Conclusion

The study aims to show that a school-based intervention can effectively reduce overweight and improve fitness among children in inner-city areas.

Supporting Evidence

  • The intervention includes three PE classes per week by a professional teacher.
  • Additional sport and play activities are organized outside school hours.
  • Parents are involved through education and fitness score cards.

Takeaway

This study is trying to help kids be more active and eat healthier so they don't become overweight.

Methodology

A cluster randomized controlled trial design was used to evaluate the intervention's effectiveness in 20 primary schools.

Potential Biases

Self-reports by children may lead to recall problems regarding their actual behaviors.

Limitations

Secondary outcome measures are based on self-reported questionnaires, which may introduce bias.

Participant Demographics

Children aged 6-12 years from multi-ethnic, low-income inner-city neighborhoods in Rotterdam.

Digital Object Identifier (DOI)

10.1186/1471-2458-8-257

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