Pubertal Timing Predicts Leg Length and Childhood Body Mass Index Predicts Sitting Height in Young Adult Men - 20/08/11
Abstract |
Objective |
To investigate the impact of pubertal timing and childhood body mass index (BMI), both within normal range, on adult anthropometrics.
Study design |
Detailed growth charts were retrieved for the men participating in the population-based Gothenburg Osteoporosis and Obesity Determinants study. Age at peak height velocity and childhood BMI were calculated (n = 527), and anthropometric measurements were performed.
Results |
Analysis of variance analysis of tertiles according to age at peak height velocity demonstrated that the early peak height velocity tertile had a lower adult height (180.9 ± 6.8 cm) compared with the middle tertile group (182.7 ± 6.9 cm, P < .05), and this difference was attributable to shorter leg length. No difference was seen for sitting height. In contrast, analysis of tertiles according to childhood BMI demonstrated low sitting height in the low BMI tertile (93.7 ± 3.3 cm for low, 94.6 ± 3.3, for middle, and 94.8 ± 3.3 cm for high childhood BMI tertiles, P < .05 and P < .01, respectively), but childhood BMI did not affect adult height and leg length.
Conclusion |
We demonstrate that subjects with early pubertal timing have reduced adult height and leg length, and subjects with low childhood BMI have reduced adult sitting height. Thus childhood body composition and pubertal timing have different impact on trunk growth and growth of long bones.
Le texte complet de cet article est disponible en PDF.Mots-clés : ANOVA, BMI, GOOD, PHV
Plan
Supported by Swedish Research Council, ALF/LUA research grant in Gothenburg, Västra Götaland Foundation, Göteborg Medical Society, Tore Nilson Foundation for Medical Research, and the Novo Nordisk Foundation. The authors declare no conflicts of interest. |
Vol 158 - N° 3
P. 452-457 - mars 2011 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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