Obesity

Machine Learning Prediction of Obesity Development in Children With Overweight Using Longitudinal Body Composition Data

Pediatr ObesPublished Prediction model development study

Authors' conclusion

Machine learning models demonstrated effective predictive performance for obesity in children with overweight. Incorporating standardised adiposity measures and growth velocity beyond static anthropometric data provides a robust framework for risk stratification in this high-risk population.

Study context

Population
Korean children aged 7–9 years with overweight (BMI between 85th and 95th percentiles)
Participants
2,801 children
Comparison
Males vs Females
Outcome
Prediction of obesity (BMI ≥ 95th percentile), evaluated by AUROC
Methodological detailslongitudinal, machine learning (XGBoost), sex-stratified models, bootstrap validation, SHAP feature analysis
  • Longitudinal
  • Machine learning (XGBoost)
  • Sex-stratified models
  • Bootstrap validation
  • SHAP feature analysis

Performance

As reported in the abstract

Model discrimination for obesity (AUROC)

Males

0.671

AUROC · 95% CI 0.619–0.721

Females

0.652

AUROC · 95% CI 0.589–0.700

Further findings

Obesity incidence during follow-up

Original publication

Machine Learning Prediction of Obesity Development in Children With Overweight Using Longitudinal Body Composition Data. Pediatr Obes. Published 18 March 2026. doi:10.1111/ijpo.70105

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