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Does short sleep duration favor abdominal adiposity in children?

Jean-Philippe Chaput1, Angelo Tremblay

  • 1Division of Kinesiology, Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Quebec, Canada.

International Journal of Pediatric Obesity : IJPO : an Official Journal of the International Association for the Study of Obesity
|November 14, 2007
PubMed

Insights

Short sleep duration in children is linked to increased abdominal fat. This finding is concerning as abdominal obesity is a key indicator of metabolic syndrome.

Area of Science:

  • Pediatrics
  • Public Health
  • Epidemiology

Background:

  • Childhood obesity is a growing public health concern.
  • Abdominal adiposity is a significant risk factor for metabolic syndrome.
  • The relationship between sleep duration and adiposity in children requires further investigation.

Purpose of the Study:

  • To investigate the association between short sleep duration and abdominal adiposity in children.
  • To determine if body mass index (BMI) mediates the relationship between sleep and abdominal fat.
  • To explore the independent effect of sleep duration on waist circumference.

Main Methods:

  • Cross-sectional study of 422 children (50% boys) from the "Québec en Forme" Project.
  • Data collected included height, weight, waist circumference, and sleep duration.
  • Partial regression analysis adjusted for multiple covariates (age, sex, BMI, parental factors, lifestyle behaviors).

Main Results:

  • A significant inverse correlation was found between sleep duration and waist circumference (r=-0.17, p<0.001).
  • This association remained significant after adjusting for BMI and other potential confounders.
  • Sleep duration demonstrated an independent effect on abdominal adiposity.

Conclusions:

  • Short sleep duration is independently associated with increased abdominal adiposity in children.
  • These findings highlight the importance of adequate sleep for preventing childhood obesity and related metabolic complications.
  • Interventions promoting sufficient sleep may be crucial for managing pediatric metabolic health.

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