What type of study is this?

This is a Human Clinical Trial study (also classified as: RCT).

What question did this study set out to answer?

To assess the impact of a school-based intervention on obesity-related outcomes among primary school children.

November 18, 2025Scientific ReportsOpen Access

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Cluster-randomized trial shows reduction in obesity and health knowledge in children, indicating school programs can promote health.

To assess the impact of a school-based intervention on obesity-related outcomes among primary school children.
Conducted a cluster-randomized controlled trial in China
Eight schools with 400 students allocated to intervention or control groups
Implemented health education curriculum and physical activity sessions for 10 months
Monitored BMI with personalized feedback and included family engagement activities
Intervention group had a mean BMI reduction of -0.36 kg/m² compared to controls
Obesity prevalence decreased by 3.54% in intervention versus 0.51% in control schools
Significant improvements in dietary habits, physical activity, and health knowledge were observed

Duan et al. (2025) studied this question.

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