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Body mass index from early to late childhood and cardiometabolic measurements at 11 to 12 Years

Lycett, K, Juonala, M, Magnussen, CG ORCID: 0000-0002-6238-5730, Norrish, D, Mensah, FK, Liu, R, Clifford, SA, Carlin, JB, Olds, T, Saffery, R, Kerr, JA, Ranganathan, S, Baur, LA, Sabin, MA, Cheung, M, Dwyer, T, Liu, M, Burgner, D and Wake, M 2020 , 'Body mass index from early to late childhood and cardiometabolic measurements at 11 to 12 Years' , Pediatrics, vol. 146, no. 2 , pp. 1-10 , doi: 10.1542/peds.2019-3666.

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Objectives: To examine how overweight and obesity at specific ages and overall BMI growth patterns throughout childhood predict cardiometabolic phenotypes at 11 to 12 years. Methods: In a population-based sample of 5107 infants, BMI was measured every 2 years between ages 2 to 3 and 10 to 11 years. We identified 5 BMI trajectories using growth curve models. At ages 11 to 12 years, 1811 children completed assessments for metabolic syndrome risk scores, carotid-femoral pulse wave velocity, and carotid intima-media thickness. Multivariable regression models were used to estimate associations, adjusted for potential confounders (eg, age, sex, smoking exposure, and small for gestational age). Results: Overweight and obesity from early childhood onward were strongly associated with higher cardiometabolic risk at 11 to 12 years of age. At age 6 to 7 years, compared with those with a healthy weight, children with overweight had higher metabolic syndrome risk scores by 0.23 SD units (95% confidence interval 0.05 to 0.41) and with obesity by 0.76 SD units (0.51-1.01), with associations almost doubling by age 10 to 11 years. Obese (but not overweight) children had higher outcome pulse wave velocity (0.64-0.73 SD units) from ages 6 to 7 years and slightly higher outcome carotid intima-media thickness (0.20-0.30 SD units) at all ages. Cumulative exposure to high BMI from 2 to 3 years of age carried the greatest cardiometabolic risk, with a gradient of risk across trajectories. Conclusions: High early-childhood BMI is already silently associated with the development of cardiometabolic risk by 11 to 12 years, highlighting the urgent need for effective action to reduce overweight and obesity in early childhood.

Item Type: Article
Authors/Creators:Lycett, K and Juonala, M and Magnussen, CG and Norrish, D and Mensah, FK and Liu, R and Clifford, SA and Carlin, JB and Olds, T and Saffery, R and Kerr, JA and Ranganathan, S and Baur, LA and Sabin, MA and Cheung, M and Dwyer, T and Liu, M and Burgner, D and Wake, M
Journal or Publication Title: Pediatrics
Publisher: Amer Acad Pediatrics
ISSN: 0031-4005
DOI / ID Number: 10.1542/peds.2019-3666
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Copyright © 2020 by the American Academy of Pediatrics

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