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Association between body mass index, physical activity and motor competence in children: moderation analysis by

Daniel da Rocha Queiroz1, Javiera Alarcón Aguilar1, Túlio Guilherme Martins Guimarães1

  • 1Higher School of Physical Education, University of Pernambuco, Recife, Brazil.

Annals of Human Biology
|July 3, 2020
PubMed

Insights

Environmental context significantly influences the link between body mass index (BMI) and motor competence (MC) in children. Better environments weaken the association between BMI and MC, highlighting the importance of context in child development.

Area of Science:

  • Pediatric Health
  • Child Development
  • Environmental Science

Background:

  • The relationship between body mass index (BMI), physical activity (PA), and motor competence (MC) is well-researched.
  • However, the impact of diverse environmental contexts on these associations remains unclear.

Purpose of the Study:

  • To investigate the interplay between BMI, PA, and MC in children.
  • To examine the moderating role of environmental context on these relationships.

Main Methods:

  • Cross-sectional study of 668 children aged 5-7 years in Brazil.
  • Assessed MC (KTK), BMI, and PA (parent-reported).
  • Classified environmental contexts based on school and out-of-school play/sports facilities; employed multilevel mixed-effects linear regressions for analysis.

Main Results:

  • Age and BMI were significantly associated with MC (p < .01).
  • Physical activity (PA) showed no significant association with MC (p = .05).
  • The strength of the BMI-MC association varied by environmental context, weakening in more favorable environments.

Conclusions:

  • Environmental contexts play a crucial role in moderating the association between BMI and MC in children.
  • The findings underscore the importance of considering environmental factors when examining child motor development and health.
Abstract

Keywords:
Childbody mass indexenvironmentmotor skillphysical activity

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