A study based school health on phases of the semi-health condition and the index among school-aged children in Japan.

本研究旨在分析日本学龄儿童半健康状况的多维结构，确定具有多维空间的评价标度，提出反映儿童健康过渡状况水平的半健康指数模型，阐明日本学龄儿童半健康症状的分布。2003年对2014名学龄儿童进行半健康问卷调查，问卷内容包括主观症状、日常生活行为和意识、人口统计信息、身高和体重等53个项目。采用主成分分析方法对1906例有效数据进行分析，提取半健康状态结构特征指标。采用Hayashi's II型量化方法确定了半健康指数及其分界点。在二维空间上绘制了基于半健康指数值的分布曲线。用四个主成分解释了半健康状况的多维结构，并采用第一主成分得分作为半健康指标。半健康指数区分良好健康和半健康状况。半健康症状所代表的分布经平滑后绘制为正态曲线。建议将四个主成分表示为学龄儿童半健康状况的多维结构，并可解释为评价半健康状况的多维标度。半健康指数表明，从截断点得出的临界点将根据疾病的自然史指示易感阶段和临床前阶段的边界。基于半健康指数的学龄儿童分布经过平滑后呈现为正态曲线，可以作为半健康状况的预测表达式。少

The purpose of this study is to analyze the multidimensional structure of semi-health condition, to determine the evaluated scalings with multidimensional spaces among school-aged children in Japan, to propose a model of the semi-health index, which indicated a level of transitional condition on health among the children, and to clarify a distribution of the children with semi-health symptoms in Japan. The semi-health questionnaire, which consisted of 53 items regarding physical and mental condition based on subjective symptoms, daily living behaviors and consciousness, demographic information, and height and weight, was administered to 2,014 school-aged subjects in 2003. The principal component analysis was applied to the valid data, 1,906 subjects, in order to extract indices that represented structural characteristics on semi-health condition. The Hayashi's quantification method type II was applied in order to determine the semi-health index and its cutoff point. A distribution curv … More e based on values of the semi-health index was drawn on two-dimensional space. The multidimensional structure of the semi-health condition was explained by four principal components and the first principal component score was adopted as the semi-health index. The semi-health index distinguished good health with semi-health condition. The represented distribution with semi-health symptoms was drawn as a normal curve after smoothing. It was suggested that four principal components will be represented the multidimensional structure of the semi-health condition among school-aged children, and will be able to interpret as multidimensional scalings evaluated the semi-health condition. The semi-health index indicates that a critical point derived from the cutoff point will indicate a boundary to the stage of susceptibility and the pre-clinical stage based on natural history of disease. A distribution of school-aged children based on the semi-health index will be shown as a normal curve after smoothing, and be able to use as the predictive expression on the semi-health condition. Less