- 作者：Magdalena Cuenca-Garc铆a ; Francisco B. Ortega ; Jonatan R. Ruiz ; Idoia Labayen ; Luis A. Moreno ; Emma Patterson ; Germ谩n Vicente-Rodr铆guez ; Marcela Gonz谩lez-Gross ; Ascensi贸n Marcos ; Angela Polito ; Yannis Manios ; Laurent Beghin ; Inge Huybrechts ; Acki W盲stlund ; Anita Hurtig-Wennl枚f ; Maria Hagstr枚mer ; D茅nes Moln谩r ; Kurt Widhalm ; Anthony Kafatos ; Stefaan De Henauw ; et al.
- 关键词：BIA ; Bioelectrical impedance ; BMI ; Body mass index ; BMR ; Basal metabolic rate ; DXA ; Dual-energy X-ray absorptiometry ; EYHS ; European Youth Heart Study ; HELENA ; Healthy Lifestyle in Europe by Nutrition in Adolescence ; DIAT ; Dietary Intake Assessment Tool ; METs ; Metabolic equivalents ; MSM ; Multiple Source Method ; TEE ; Total energy expenditure
- 刊名：The Journal of Pediatrics
- 出版年：January, 2014
- 年：2014
- 卷：164
- 期：1
- 页码：159-166.e2
- 全文大小：182 K
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 鈮?.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.