The purpose of this study was to report physical characteristics and life style habits of school children. The subjects were grade three to six, total of 305 school children (boy: 166, girl: 139) in Nagano prefecture. Physical characteristics were height, weight, seated height, and Rohrer index. Life style habits were extracted by questionnaire method.
Statistical analysis of physical characteristics and life style habits were as follows: 1) comparison of boys and girls in all subjects (non-paired t test, Mann-Whitney U test, and chi square test), 2) comparison of boys and girls in each grade (non-paired t test, Mann-Whitney U test, and chi square test), 3) comparison of each grade with respective sex (ANOVA, Kruskal-Wallis test, and chi square test). A significant difference was p<0.05.
The difference of growth and development between boys and girls were not prominent. The subjects of this study, especially boys, tended to play inside (watching TV and playing TV game). On the other hand, boys tended to affiliate in sports club, and girls tended to attend prep school and culture school.
This study showed actual condition (physical characteristics and life style habits) of school children. Further study is necessary for the healthy growth and development of school children.
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