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Relationship between breastfeeding duration, lifestyle and obesity in children aged 3-16 years: a cross-sectional

Yu Liu1, Yiyao Gu2, Jie Mu2

  • 1School of Public Health, Capital Medical University, Beijing Key Laboratory of Environment and Aging, China-British Joint Laboratory of Nutrition Prevention and Control of Chronic Diseases, Beijing, China.

Frontiers in Nutrition
|June 24, 2025
PubMed

Insights

Prolonging breastfeeding duration and adopting healthy lifestyle habits are key to preventing childhood obesity. These factors, especially when combined, significantly reduce obesity risk in children.

Area of Science:

  • Pediatrics
  • Public Health
  • Nutrition Science

Background:

  • Childhood obesity is a growing public health concern requiring effective interventions.
  • Lifestyle and dietary factors play a crucial role in the development of childhood obesity.

Purpose of the Study:

  • To investigate the association between breastfeeding duration and lifestyle habits with childhood obesity.
  • To identify protective factors and their synergistic effects against childhood obesity.

Main Methods:

  • Analysis of 541 children aged 3-16, categorized into obesity and non-obesity groups.
  • Logistic regression and ROC curves to assess the risk and accuracy of models.
  • SHapley Additive exPlanation (SHAP) for variable impact analysis.

Main Results:

  • Obese children exhibited preferences for meat-based foods, heavy flavors, and pre-meal snacking.
  • Recommended breastfeeding duration is 4-12 months.
  • Both healthy lifestyle habits and prolonged breastfeeding are protective, with significant synergistic effects.

Conclusions:

  • Appropriate prolongation of breastfeeding duration can help prevent childhood obesity.
  • Cultivating healthy dietary habits is essential for childhood obesity prevention.
  • Combined interventions of breastfeeding and healthy lifestyle show the most significant impact.
Abstract

Keywords:
breastfeedingchildrendietarylifestyleobesity

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