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Relationship between BMI, waist circumference, physical activity and probable developmental coordination disorder

Divya Joshi1, Cheryl Missiuna2, Steven Hanna1

  • 1Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada.

Human Movement Science
|January 26, 2015
PubMed

Insights

Children with probable developmental coordination disorder (pDCD) show increased BMI and waist circumference over time, with boys experiencing a faster rise. Physical activity did not influence this relationship but was linked to better body composition independently.

Area of Science:

  • Pediatric Health
  • Developmental Disorders
  • Body Composition Analysis

Background:

  • Cross-sectional studies link developmental coordination disorder (DCD) to lower physical activity and higher weight.
  • Longitudinal data on DCD's impact on body composition (BMI, waist circumference) over time is limited.
  • The influence of sex and physical activity on the DCD-body composition relationship remains unclear.

Purpose of the Study:

  • To assess changes in BMI and waist circumference in children with and without probable DCD (pDCD) as they age.
  • To determine if sex influences the longitudinal relationship between pDCD and body composition.
  • To investigate if physical activity mediates or moderates the association between pDCD and body composition over time.

Main Methods:

  • Longitudinal analysis of Physical Health Activity Study Team (PHAST) data.
  • Inclusion of 2,278 children (9-10 years old at baseline, 103 with pDCD).
  • Five-year follow-up using mixed-effects modeling to analyze changes in body composition.

Main Results:

  • Children with pDCD exhibited higher BMI and waist circumference than controls, with this gap widening over five years.
  • The association between pDCD and BMI over time differed by sex, with boys showing a faster increase.
  • Similar sex-based trends were observed for waist circumference; physical activity was not a mediator/moderator but independently associated with lower body composition measures.

Conclusions:

  • Probable DCD is linked to elevated body mass and waist circumference, key risk factors for chronic diseases.
  • These findings highlight the long-term health implications of DCD on body composition.
  • Early identification and intervention for DCD may be crucial for managing associated health risks.
Abstract

Keywords:
BMIChildrenDevelopmental coordination disorderPhysical activityWaist circumference

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