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Early life socioeconomic status moderates associations between objective sleep and weight-related indicators in

Reagan S Breitenstein1, Leah D Doane1, Kathryn Lemery-Chalfant1

  • 1Department of Psychology, Arizona State University, Tempe, AZ.

Sleep Health
|June 3, 2019
PubMed

Insights

Better sleep in childhood is linked to healthier weight outcomes, especially for those from low socioeconomic backgrounds. This highlights sleep

Area of Science:

  • Pediatric Health
  • Sleep Science
  • Socioeconomic Determinants of Health

Background:

  • Childhood obesity is a significant public health concern.
  • Socioeconomic status (SES) is known to influence health outcomes.
  • The interplay between sleep, SES, and weight in childhood requires further investigation.

Purpose of the Study:

  • To examine if early socioeconomic status (SES) moderates the relationship between sleep and weight indicators in middle childhood.
  • To identify specific sleep parameters (duration, efficiency, problems) associated with weight outcomes.
  • To understand if these associations differ based on early-life SES.

Main Methods:

  • Cross-sectional study design with retrospective data collection.
  • Participants: 382 children (mean age 8.47 years) from Arizona.
  • Measures: SES at 12 months, sleep (duration, efficiency, problems), and weight indicators (BMI, body fat, waist circumference) at 8 years.

Main Results:

  • Longer sleep duration was associated with lower BMI and reduced odds of overweight/obesity across all children.
  • In children from low SES backgrounds, longer sleep duration and greater sleep efficiency predicted lower body fat and BMI.
  • More sleep problems were linked to larger waist circumference in low SES children, and greater odds of being overweight/obese.

Conclusions:

  • Early life may represent a sensitive period for the development of sleep-weight relationships.
  • Adequate sleep duration and efficiency appear protective against adverse weight outcomes.
  • Children experiencing low early-life SES may be more vulnerable to negative consequences of poor sleep on weight status.
Abstract

Keywords:
ChildrenObesitySleep problemsSocioeconomic statusWeight

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