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Correlates of sedentary time and physical activity among preschool-aged children

Diana H Dolinsky1, Rebecca J Namenek Brouwer, Kelly R Evenson

  • 1Duke University Medical Center, Durham, North Carolina, USA. dolin004@mc.duke.edu

Preventing Chronic Disease
|October 19, 2011
PubMed

Insights

Boys and older children spent less time sedentary. Factors like higher income and outdoor time correlated with more moderate-to-vigorous physical activity (MVPA) in preschool children.

Area of Science:

  • Pediatrics
  • Public Health
  • Behavioral Science

Background:

  • Limited research exists on factors influencing sedentary time and physical activity in young children.
  • Understanding these correlates is crucial for developing effective health interventions.

Purpose of the Study:

  • To identify demographic, biological, behavioral, social, and environmental correlates of sedentary time and moderate-to-vigorous physical activity (MVPA).
  • To analyze these correlates in preschool-aged children using objective measurements.

Main Methods:

  • Accelerometry was used to measure sedentary time and MVPA in 337 preschool children (aged 2-5).
  • Maternal BMI and physical activity were included, alongside self-reported data for other correlates.
  • Multivariable linear regression analyses were employed to examine the relationships.

Main Results:

  • Children averaged 6.1 hours of sedentary time and 14.9 minutes of MVPA daily.
  • Boys exhibited less sedentary time.
  • Older children, boys, those in high-income households, and children with more outdoor time engaged in more MVPA.

Conclusions:

  • Both modifiable and nonmodifiable factors are associated with MVPA in preschool children, offering targets for intervention.
  • Further research is needed to understand the correlates of sedentary time in this age group.
Abstract

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