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KMID : 0664320060120010044
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Journal of the Korean Dietetic Association
2006 Volume.12 No. 1 p.44 ~ p.54
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Assessment of Activity Coefficient, Resting Energy Expenditure and Daily Energy Expenditure in Elementary School Children
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Kim Eun-Kyung
Song Ju-Mi
Choi Hyun-Jung
Lee Ga-Hee
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Abstract
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The study was conducted to assess the energy expenditure of 102 elementary school children. Body weight and height were measured and one-day activity diaries were collected by interviewing with children. The children spent about 9 hours 14 minutes sleeping ; 3 hours 40 minutes resting. They spent 86.4% of 24 hours (one day) in ’very light activities’ and 13.3% in ’light activities’. Activity coefficient (1.41±0.11) of boys was significantly higher than that of girls(1.35±0.07). Activity coefficient (1.41±0.11) of 4th grade elementary school children was higher than those of 2nd and 6th grade school children(p<0.05). Resting energy expenditure estimated by Harris-Benedict formula, formula based on body surface area and DRI formula for Koreans were 1240.9±147.4kcal/day, 1386.5±206.9kcal/day and 1284.5±199.8 kcal/day. And daily energy expenditure by using Harris-Benedict formula, body surface area formula and DRI formula were 1708.4±258.8kcal, 1909.8±341.8kcal and 1771.1±341.9kcal/day. These results suggested that nutrition and exercise program to increase the energy expenditures of primary school children should be developed.
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KEYWORD
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Energy expenditure, Activity coefficient, Elementary school children
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