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Age-specific estimates and comparisons of youth tri-ponderal mass index and body mass index in predicting adult obesity-related outcomes
Wu, F and Buscot, M-J and Niinikoski, H and Rovio, SP and Juonala, M and Sabin, MA and Jula, A and Ronnemaa, T and Viikari, JSA and Raitakari, OT and Magnussen, CG and Pahkala, K, Age-specific estimates and comparisons of youth tri-ponderal mass index and body mass index in predicting adult obesity-related outcomes, Journal of Pediatrics, (November) pp. 1-6. ISSN 0022-3476 (2019) [Refereed Article]
Copyright 2019 Elsevier Inc.
Study Design: Participants of this observational study (n = 432) were from a 20-year infancy-onset randomized atherosclerosis prevention trial. BMI and TMI were calculated using weight and height measured annually from participants between ages 2 and 20 years. Outcomes were aortic intima-media thickness (at the age of 15, 17, or 19 years), impaired fasting glucose and elevated insulin levels, homeostasis model assessment of insulin resistance index, serum lipids, and hypertension at the age of 20 years. Poisson regressions, Pearson correlation, logistic regression, and area under the curve (AUC) were used to estimate and/or compare associations and predictive utilities between BMI and TMI with all outcomes. Results: The associations and predictive utilities of BMI and TMI with all outcomes were stronger at older ages. BMI had significantly stronger correlations than TMI with insulin (at age 16 years), systolic blood pressure (age 5-20 years), and triglycerides (age 18 years). BMI had significantly greater predictive utilities than TMI for insulin resistance (at age 14-16 years; difference in AUC = 0.018-0.024), elevated insulin levels (age 14-16 years; difference in AUC = 0.018 and 0.025), and hypertension (age 16 to 20 years; difference in AUC = 0.017-0.022) but they were similar for other outcomes.
Conclusions: TMI is not superior to BMI at any ages from childhood to young adulthood in the prediction of obesity-related outcomes in young adulthood.
|Item Type:||Refereed Article|
|Keywords:||adult outcomes, body mass index, cohort, tri-ponderal index, youth|
|Research Division:||Biomedical and Clinical Sciences|
|Research Field:||Paediatrics not elsewhere classified|
|Objective Group:||Clinical health|
|Objective Field:||Clinical health not elsewhere classified|
|UTAS Author:||Wu, F (Dr Feitong Wu)|
|UTAS Author:||Buscot, M-J (Dr Marie-Jeanne Buscot)|
|UTAS Author:||Magnussen, CG (Associate Professor Costan Magnussen)|
|Web of Science® Times Cited:||4|
|Deposited By:||Menzies Institute for Medical Research|
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