Longitudinal Studies on Growth and Development of School Children

概要

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The school children are suitable for longitudinal studies on growth and development. The total of 1, 005 children (502 males and 503 females) of Takanawadai primary school in Tokyo were measured by their height, weight, chest girth and sitting height. The objects in this study are the children who entered the school from 1947 to 1952. The measurement was carried out once a year through 6 years' school life. The results of the longitudinal analysis on these subjects are as follows : 1. The average height, sitting height and weight of the children in this study group were superior to die average of the whole country. But the chest girth was definitely inferior. 2. The body type was classified in nine groups by height and weight at the entrance to the school as follows : large obese, large average, large slender, average obese, average, average slender, small obese, small average and small slender. 1) Yearly increment of the growth rate of weight was the highest in the average group. 2) The age of pre-pubertal manifestations were different by sex and measurements. In general, female was advanced in yearly increment of growth rate. 3. Growth curve of all groups tended to be concentrated to the curve of the average group. 4. Small average group and large average pagsed through the similar trend of growth curve to the average group
日本民族衛生学会の論文