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KMID : 0378019950380110085
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New Medical Journal
1995 Volume.38 No. 11 p.85 ~ p.92
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The Study Adolescents´ Growth and Nutrition Situation and Obesity Rate.
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Abstract
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For this study, I selected 1,423 high school students composed of 723 boy students and 701 girl students in the third grade in a big city, Jeon-Buk area, made a analysis if the 12-year(a studying period) growing process and many nutrition indices by using a longitudinal study method and produced a regression equation and a coefficient of correlation among the situation of obesity distribution, the body weight and the index based on the body mass index.
The results are as follows;
1. Body Measurement
QA growth curve showed that boy students(6 years old to 14) and girl students(6 years old to 12) grew vertically in body height, boy students(6 years old to 14) and girl students(6 years old to 13) gained quickly in body weight. After that age, it showed an easy curve in a growth degree.
Q2 The body height of man and woman become taller- man is 55.21cm taker(47.4%) and woman is 44.80cm taller(38.9%).
The body weight increased too: man is 43.59Kg(214.5%) and woman is 35.2OKg(180.8%). ®During the growing process, man(12 years old to 13) become tall most quickly(7.36±2.52cm) in body height, woman(10 years old to 11, 6.81 ± 1.88cm).
It showed that woman is 2 years faster than man.
The growing process, man(12 years old to 13) become tall most quickly (6.14±3.37Kg) in body weight, woman(11 years old to 12, 5.49 ± 2.67Kg).
It showed that woman is 1 years faster than man.
®Man and woman cross in body height, when they were 9.7 years old to 11.7. Q5 When 17 years old, the body height(man) was 171 ±5.56cm and woman was 159.92± 4.85cm. In case of body weight, man was 63.91 ±8.89Kg and woman was 54.67 ± 6.74Kg.
The growth degree in adolescents´ physique is improved much better than that announced in 1980´s every ages.
2. Physique and Nutrition index @As they´re getting older, the relative body weight and Kaup index and body mass index increased.
When they were 17 years ole, man was 37.19±4.72 and woman was 34.17±3.97 in relative body weight. In case of Kaup index, man was 2.17±0.27 and woman was 2.14±0.25, and in the body mass index, man was 21.66±2.70 and woman was 21.38±2.50. It showed a normal range.
®When man was 14 years old, womanl2 years old, Rohrer index decreased. After that age, the index increased.
Qs When man Rohrer index is over 13 years old and Kaup index is 13 years old to 15, it shows a crossing phenomenon, woman´s exceeding man. ®Since 15 years old(man), 14 year old(woman), body mass index is normal.
3. Obesity rate based on body mass index (DA normal body weight group is 58.6%(man) and 54.8%(woman).
()A obesity group is 5.5%(man) and 4.0%(woman).
4. A regression analysis on body weight and index 1QA coefficient of correlation between body weight and index shows a high correlation(r is over 0.7) except Rohrer index.(P < 0.001)
QA regression equation on body weight and body mass index is produced: Y=0.236X+4.874(man) and Y=0.323X+0.371 (woman). And the other regression equation on index is shown on chart 6.
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