- 期刊
Energy Expenditure and Energy Intake in 10-12 Years Obese and Non-Obese Chinese Children in a Guangzhou Boarding School
中國廣州市某寄宿學校10-12歲肥胖和非肥胖兒童能量消耗和能量攝入
摘要
Objective: The objective of this study was to observe the variation of energy intake and energy expenditure in the obese Chinese children. Methods: Basic metabolic rate was measured by using open-circuit indirect calorimetry in 54 obese children and 60 non-obese children aged 10-12 years in a full- time boarding school in Guangzhou suburb, China. Total energy expenditure was estimated by using a factorial method. Dietary intake was surveyed by the weighed inventory method. Physical activity was determined using a 2-day activity diary. Results: Univariate analysis showed that basic metabolic rate was significantly higher (p＜0.05) in obese children than in non-obese ones, but the significant difference disappeared after controlling for fat free mass and fat mass. Energy intake and total energy expenditure were significantly higher (p＜0.05) in obese than in non-obese children. Obese children spent more time in sleeping and light physical activity, but less time in moderate physical activity and vigorous physical activity than non-obese children (p＜0.05). Conclusions: Compared to non-obese children, both energy intake and expenditure were higher in obese Chinese children. It appears that an area for preventive strategies may be to encourage increased physical activity expenditure in this age group.
並列摘要
Objective: The objective of this study was to observe the variation of energy intake and energy expenditure in the obese Chinese children. Methods: Basic metabolic rate was measured by using open-circuit indirect calorimetry in 54 obese children and 60 non-obese children aged 10-12 years in a full- time boarding school in Guangzhou suburb, China. Total energy expenditure was estimated by using a factorial method. Dietary intake was surveyed by the weighed inventory method. Physical activity was determined using a 2-day activity diary. Results: Univariate analysis showed that basic metabolic rate was significantly higher (p＜0.05) in obese children than in non-obese ones, but the significant difference disappeared after controlling for fat free mass and fat mass. Energy intake and total energy expenditure were significantly higher (p＜0.05) in obese than in non-obese children. Obese children spent more time in sleeping and light physical activity, but less time in moderate physical activity and vigorous physical activity than non-obese children (p＜0.05). Conclusions: Compared to non-obese children, both energy intake and expenditure were higher in obese Chinese children. It appears that an area for preventive strategies may be to encourage increased physical activity expenditure in this age group.
延伸閱讀
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