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Individual Physical Activity Behaviour and Group Composition as Determinants of the Effectiveness of a Childhood

Liesa Marie Lier1, Christoph Breuer2, Nina Ferrari3

  • 1Department of Sports Economics and Sport Management, German Sport University Cologne, Cologne, Germany, liesa.lier@web.de.

Obesity Facts
|December 22, 2020
PubMed

Insights

This study found that childhood obesity interventions are effective. Key factors for success include physical activity, mixed-gender groups, and narrow age ranges for improved health outcomes.

Area of Science:

  • Pediatrics
  • Public Health
  • Sports Science

Background:

  • Childhood obesity interventions often lack clear effectiveness predictors.
  • Understanding these factors is crucial for sustainable health improvements.

Purpose of the Study:

  • To identify individual and program-level predictors of Body Mass Index-Standard Deviation Score (BMI-SDS) and physical fitness.
  • To evaluate the effectiveness of a multidisciplinary outpatient program for children with obesity.

Main Methods:

  • Analysis of data from 249 children in an obesity intervention program and 54 waitlist controls.
  • Linear regression models were used to assess associations between variables and BMI-SDS/fitness outcomes.

Main Results:

  • Intervention group showed a 0.19 unit decrease in BMI-SDS and 11.5% increase in fitness.
  • Pre-program physical activity, gender-heterogeneous groups, and narrow age ranges predicted greater improvements.

Conclusions:

  • The multidisciplinary program effectively combats juvenile obesity.
  • Optimizing group composition (mixed-gender, narrow age range) and supporting inactive children can enhance intervention outcomes.
Abstract

Keywords:
Group compositionIntervention effectivenessJuvenile obesity interventionPhysical activity

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