More Physically Active and Leaner Adolescents Have Higher Energy Intake - 18/12/13
, Francisco B. Ortega, PhD 2, 3, Jonatan R. Ruiz, PhD 2, 3, Idoia Labayen, PhD 4, Luis A. Moreno, MD, PhD 5, Emma Patterson, PhD 3, 6, Germán Vicente-Rodríguez, PhD 5, Marcela González-Gross, PhD 7, Ascensión Marcos, PhD 8, Angela Polito, PhD 9, Yannis Manios, PhD 10, Laurent Beghin, PhD 11, 12, Inge Huybrechts, PhD 13, 14, Acki Wästlund, PhD 3, Anita Hurtig-Wennlöf, PhD 3, 15, Maria Hagströmer, PhD 3, Dénes Molnár, PhD 16, Kurt Widhalm, MD 17, Anthony Kafatos, MD, PhD 18, Stefaan De Henauw, MD, PhD 14, 19, Manuel J. Castillo, MD, PhD 1, Bernard Gutin, PhD 20, Michael Sjöström, MD, PhD 3on behalf of the
HELENA Study Group∗
Abstract |
Objective |
To test whether youths who engage in vigorous physical activity are more likely to have lean bodies while ingesting relatively large amounts of energy. For this purpose, we studied the associations of both physical activity and adiposity with energy intake in adolescents.
Study design |
The study subjects were adolescents who participated in 1 of 2 cross-sectional studies, the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study (n = 1450; mean age, 14.6 years) or the European Youth Heart Study (EYHS; n = 321; mean age, 15.6 years). Physical activity was measured by accelerometry, and energy intake was measured by 24-hour recall. In the HELENA study, body composition was assessed by 2 or more of the following methods: skinfold thickness, bioelectrical impedance analysis, plus dual-energy X-ray absorptiometry or air-displacement plethysmography in a subsample. In the EYHS, body composition was assessed by skinfold thickness.
Results |
Fat mass was inversely associated with energy intake in both studies and using 4 different measurement methods (P ≤ .006). Overall, fat-free mass was positively associated with energy intake in both studies, yet the results were not consistent across measurement methods in the HELENA study. Vigorous physical activity in the HELENA study (P < .05) and moderate physical activity in the EYHS (P < .01) were positively associated with energy intake. Overall, results remained unchanged after adjustment for potential confounding factors, after mutual adjustment among the main exposures (physical activity and fat mass), and after the elimination of obese subjects, who might tend to underreport energy intake, from the analyses.
Conclusion |
Our data are consistent with the hypothesis that more physically active and leaner adolescents have higher energy intake than less active adolescents with larger amounts of fat mass.
Le texte complet de cet article est disponible en PDF.Keyword : BIA, BMI, BMR, DXA, EYHS, HELENA, DIAT, METs, MSM, TEE
Plan
| The HELENA Study Group was supported by the European Community Sixth RTD Framework Programme (Contract FOOD-CT: 2005-007034). The EYHS was supported by grants from the Stockholm County Council. This study also was supported by grants from the Spanish Ministry of Science and Innovation (AP 2008-03806; RYC-2010-05957; RYC-2011-0901). The content of this article reflects only the authors' views, and the European Community is not liable for any use that may be made of the information contained therein. The authors declare no conflicts of interest. |
Vol 164 - N° 1
P. 159 - janvier 2014 Retour au numéro
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