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Kindergarten-based obesity prevention trial based on self-regulation strategy: study protocol of the Wuhan

Wenli Dong1, Yimin Wang1, Ke Xu1

  • 1Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.

Frontiers in Pediatrics
|August 7, 2025
PubMed

Insights

The Wuhan Preschool Healthy Start (WPHS) project integrates self-regulation with behavior interventions to combat rising childhood obesity. This approach aims for sustained healthy habits in preschoolers, addressing a critical public health need.

Area of Science:

  • Public Health
  • Pediatrics
  • Behavioral Science

Background:

  • Childhood obesity is a growing concern in China, particularly during preschool years.
  • Existing interventions often lack long-term efficacy and evidence-based randomized trials.
  • The Wuhan Preschool Healthy Start (WPHS) project targets this gap by integrating self-regulation with energy balance-related behavior (EBRB) interventions.

Purpose of the Study:

  • To evaluate the effectiveness of a kindergarten-based, multicomponent intervention for preventing childhood obesity.
  • To assess the impact of integrating self-regulation strategies on the adoption and maintenance of healthy behaviors.
  • To provide insights into sustainable public health strategies for preschool obesity prevention.

Main Methods:

  • A stratified randomized controlled trial involving 26 kindergartens over 18 months.
  • The intervention targets diet, physical activity, sleep, sedentary behavior, and self-regulation, engaging children, families, and the school environment.
  • Primary outcome: change in BMI z-score; secondary outcomes: behavioral factors and self-regulation skills. Analysis uses intention-to-treat principles and linear mixed models.

Main Results:

  • Data analysis is ongoing; primary and secondary outcomes will be evaluated.
  • The study aims to demonstrate significant improvements in BMI z-scores and related behaviors.
  • Anticipated findings include enhanced sustainability of behavior changes due to self-regulation training.

Conclusions:

  • The WPHS project offers an innovative, holistic approach to preschool obesity prevention.
  • Integrating self-regulation is hypothesized to improve the long-term maintenance of health behaviors.
  • Findings will inform public health strategies for addressing childhood obesity in early years.
Abstract

Keywords:
childhood obesityenergy balance-related behaviorfamilyschoolself-regulation

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