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Higher childhood BMI is associated with less pubertal gain

Konferensbidrag (offentliggjort, men ej förlagsutgivet)
Författare Anton Holmgren
Aimon Niklasson
Andreas FM Nierop
Lars Gelander
Stefan Aronson
Agneta Sjöberg
Lauren Lissner
Kerstin Albertsson-Wikland
Publicerad i Obesity Facts (The European Journal of Obesity)
Publiceringsår 2015
Publicerad vid Institutionen för neurovetenskap och fysiologi
Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa
Institutionen för kliniska vetenskaper, Avdelningen för pediatrik
Institutionen för kost- och idrottsvetenskap
Språk en
Ämneskategorier Pediatrik

Sammanfattning

Objective: Our objective was to investigate the impact of body mass index (BMI) in childhood on the pattern of growth during puberty. Methods: The longitudinally followed Grow up 1990 Gothenburg birth cohort, with growth data from birth until adult height was analyzed, using the QEPS growth model (describing total height as a combination of four mathematical functions; Quadratic -Q, Exponential -E, Pubertal -P and Stop –S, Fig 1.), for calculation of estimates for pubertal growth (1). Individual BMI-SDS values, from 3.5–8 years of age (n = 1908) were calculated for linear and subgroup analyses (low/normal- nw, overweight – ow, obese– ob), based on the IOTF 2012 reference. Results: Ow/ob children already at birth were heavier and grew faster in height in the pre pubertal period compared to nw, due to an increased Q function. Ow/ob children of both genders had 3.4–4.3 months earlier puberty, reduced growth during puberty, boys and girls had 3 cm and 2 cm, respectively, less pubertal gain from the specific pubertal growth function (P) compared to their nw peers. We saw a negative dose-response effect of childhood BMI on pubertal gain, across the whole BMI spectrum (Fig 2–3.). The adult height was not related to BMI in childhood. Conclusion: For the first time, the result of the present study has shown that; the higher the BMI is in childhood, the less is the pubertal gain. Higher childhood BMI was also associated with increased pre pubertal growth due to an increased Q-function and the resulting adult height was similar for ow/ob and nw children. Reference 1. Holmgren A et al.: Horm. res. in paed. 2013;80(suppl. 1):177.

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