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Correlates of Objectively Measured Sleep and Physical Activity Among Latinx 3-To-5-Year Old Children

Augustine W Kang1, Kim M Gans2, Jared Minkel3

  • 1Department of Behavioral and Social Sciences, Brown School of Public Health, RI, USA.

Journal of Pediatric Nursing
|February 22, 2021
PubMed

Insights

Higher household income was linked to better sleep and less sedentary behavior in young Latinx children. Moderate-to-vigorous physical activity (MVPA) was associated with improved sleep efficiency, highlighting key factors for child health.

Area of Science:

  • Pediatric Health
  • Obesity Prevention
  • Sleep Science

Background:

  • Latinx children face the highest obesity rates in the US, a critical health disparity.
  • Physical activity (PA) and sleep are key modifiable risk factors for childhood obesity.
  • Limited research exists on objectively measured sleep and PA in this population.

Purpose of the Study:

  • To identify correlates of sleep and physical activity in young Latinx children.
  • To examine the association between sleep and physical activity in this demographic.
  • To provide data on objectively measured sleep and PA patterns.

Main Methods:

  • A cross-sectional study involving 30 Latinx children aged 3-5 years.
  • Objective measurement of sleep and PA using GT3X+ triaxial accelerometers for five consecutive days.
  • Analysis using linear regression and ANOVA to identify associations.

Main Results:

  • Sedentary behavior averaged 51.7 min/h, light PA 5.6 min/h, and moderate-to-vigorous PA (MVPA) 2.6 min/h.
  • Average total sleep duration was 9.6 hours with 80.0% sleep efficiency and 1.30 h/night sleep variability.
  • Higher household income correlated with lower sedentary behavior and less sleep variability. Higher sleepiness was linked to lower MVPA and higher BMI. MVPA was associated with higher sleep efficiency.

Conclusions:

  • Household income is a significant correlate of sleep variability and sedentary behavior in young Latinx children.
  • Moderate-to-vigorous physical activity (MVPA) is positively associated with improved sleep efficiency.
  • Further large-scale, multi-site research is warranted to explore these relationships in greater depth.
Abstract

Keywords:
AccelerometerHealth disparitiesLatinxPhysical activitySleep

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