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More Physically Active and Leaner Adolescents Have Higher Energy Intake
Granada University, Granada, Spain.
Granada University, Granada, Spain; Karolinska Institutet, Huddinge, Sweden.
Granada University, Granada, Spain; Karolinska Institutet, Huddinge, Sweden.
Basque Country University, Vitoria, Spain.
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2014 (Engelska)Ingår i: Journal of Pediatrics, ISSN 0022-3476, E-ISSN 1097-6833, Vol. 164, nr 1, s. 159-166Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

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 under-report 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.

Ort, förlag, år, upplaga, sidor
2014. Vol. 164, nr 1, s. 159-166
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:oru:diva-33280DOI: 10.1016/j.jpeds.2013.08.034ISI: 000328734700035OAI: oai:DiVA.org:oru-33280DiVA, id: diva2:694491
Anmärkning

Funding Agency: European Community Sixth RTD Framework Programme, FOOD-CT: 2005-007034; Stockholm County Council; Spanish Ministry of Science and Innovation, AP 2008-03806, RYC-2010-05957, RYC-2011-0901

Tillgänglig från: 2014-02-06 Skapad: 2014-01-24 Senast uppdaterad: 2018-02-02Bibliografiskt granskad

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