Changes in Physical Activity and Sedentary Patterns on Cardiometabolic Outcomes in the Transition to Adolescence: International Children's Accelerometry Database 2.0 - 22/09/20
, Megan Hetherington-Rauth, PhD 1, Kate Northstone, PhD 2, Lars Bo Andersen, PhD 3, Niels Wedderkopp, PhD 4, 5, Ulf Ekelund, PhD 6, Luís B. Sardinha, PhD 1On behalf of the
International Children's Accelerometry Database (ICAD) Collaborators∗
Abstract |
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.
Le texte complet de cet article est disponible en PDF.Keywords : moderate-to-vigorous physical activity, light intensity physical activity, sedentary behavior, longitudinal, LDL-c, triglycerides, youth
Abbreviations : ALSPAC, CMR score, DBP, EYHS, HDL-c, ICAD, LDL-c, SBP, TG, WC
Plan
| P.J. is supported by a postdoctoral scholarship from the Portuguese Foundation for Science and Technology (SFRH/BPD/115977/2016). This work was partly supported by Fundação para a Ciência e Tecnologia, under Grant UIDB/00447/2020 to CIPER – Centro Interdisciplinar para o Estudo da Performance Humana (unit 447). Pooling of the data was funded through a grant from the National Prevention Research Initiative (grant number G0701877). The funding sources had no involvement in study design; in the collection, analysis and interpretation of data; in the writing of the report; and in the decision to submit the article for publication. nationalprevention-research-initiative-npri/. The funding partners relevant to this award are the British Heart Foundation, Cancer Research UK, Department of Health, Diabetes UK, Economic and Social Research Council, Medical Research Council, Research and Development Office for the Northern Ireland Health and Social Services, Chief Scientist Office, Scottish Executive Health Department, The Stroke Association, Welsh Assembly Government, and World Cancer Research Fund. The other authors declare no conflicts of interest. |
Vol 225
P. 166 - octobre 2020 Retour au numéro
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