Changes in physical activity and sedentary patterns on cardiometabolic outcomes in the transition to adolescence: International Children's Accelerometry Database 2.0
Júdice, Pedro B.; Hetherington-Rauth, Megan; Northstone, Kate; Andersen, Lars Bo; Wedderkopp, Niels; Ekelund, Ulf; Sardinha, Luís B.
Peer reviewed, Journal article
Accepted version
Date
2020Metadata
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Original version
Journal of Pediatrics. 2020, 225(October 2020),166-173. 10.1016/j.jpeds.2020.06.018Abstract
Objective: To examine the associations of changes in physical activity and sedentary patterns with changes in cardiometabolic outcomes from childhood to adolescence.
Study design: Youth from the International Children's Accelerometry Database (n = 1088; 55% girls), aged 8-13 years and followed for ∼4 years, were used in this analysis. Hip-mounted accelerometers were used and all physical activity intensities were expressed as the % of total wear-time. Sedentary time was separated into time spent in bouts <10 minutes and ≥10 minutes. A composite z score for cardiometabolic risk (CMR score) was computed by summing the standardized values for systolic and diastolic blood pressure, triglycerides (TG), low-density lipoprotein cholesterol (LDL-c), and the inverse high-density lipoprotein cholesterol. Multivariate analyses were performed using adjusted linear regression models.
Results: Increase in sedentary time was unfavorably associated with changes in CMR score (β = 0.021; CI 0.004-0.037), TG (β = 0.003; CI 0.001-0.005), and diastolic blood pressure (β = 0.068; CI 0.009-0.128). Decrease in moderate-to-vigorous physical activity was unfavorably associated with changes in LDL-c (β = −0.009; CI −0.017 to −0.001) and TG (β = −0.007; CI −0.013 to −0.001). Increase in ≥10 minutes sedentary time was unfavorably associated with changes in CMR score (β = 0.017; CI 0.004-0.030), LDL-c (β = 0.003; CI 0.000-0.005), and TG (β = 0.003; CI 0.000-0.004). Decrease in light-intensity physical activity was unfavorably associated with changes in CMR score (β = −0.020; CI = −0.040 to 0.000).
Conclusions: More physical activity and less prolonged sedentary time are beneficial for cardiometabolic health in youth transitioning to adolescence.
Description
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