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Sedentary behavior moderates the relationship between physical activity and cardiometabolic risk in young Latino

Jamil A Malik1, Jennifer Coto2, Elizabeth R Pulgaron2

  • 1National Institute of Psychology, Quaid-i-Azam University, Islamabad, Pakistan.

Translational Behavioral Medicine
|May 17, 2021
PubMed

Insights

Higher moderate-vigorous physical activity (MVPA) is linked to better cardiometabolic health in young Latino children. This benefit is amplified when children also spend less time in sedentary behavior.

Area of Science:

  • Pediatric health
  • Cardiometabolic risk factors
  • Physical activity and sedentary behavior

Background:

  • Cardiometabolic risk factors are a growing concern in pediatric populations.
  • Understanding the interplay between physical activity and sedentary behavior is crucial for early intervention.
  • Latino children represent a population group that may benefit from targeted health strategies.

Purpose of the Study:

  • To investigate the association between objectively measured moderate-vigorous physical activity (MVPA) and sedentary behavior with cardiometabolic risk factors in young Latino children.
  • To test the hypothesis that MVPA is associated with lower cardiometabolic risk when sedentary behavior is low.
  • To examine the moderating role of sedentary behavior on the relationship between MVPA and cardiometabolic risk.

Main Methods:

  • Cross-sectional study of 86 primarily low-income, Latino children (mean age 5.6 years).
  • Objective measurement of physical activity using accelerometry.
  • Assessment of anthropometric measures and fasting blood samples for cardiometabolic risk factors.

Main Results:

  • Greater sedentary behavior was associated with increased waist circumference and metabolic risks.
  • Moderate-to-vigorous physical activity (MVPA) showed significant beneficial associations with anthropometric, cardiac, and metabolic risk factors.
  • Sedentary behavior moderated the effect of MVPA, with greater MVPA benefits observed when sedentary behavior was lower.

Conclusions:

  • Increased MVPA is associated with decreased cardiometabolic risk in young Latino children.
  • The beneficial effects of MVPA on cardiometabolic health are more pronounced when sedentary behavior is low.
  • Findings highlight the importance of promoting both physical activity and reducing sedentary time in early childhood for cardiovascular health.

Keywords:
AccelerometryCardiometabolic riskChildrenLatinoPhysical activitySedentary behavior

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