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身高是反映人类不同群体身体形态结构和生长发育水平尤其是纵向发育水平的重要生理指标。分析学生身高生长发育的现状、规律及其有关特征,是学生体质健康状况调查研究不可缺少的重要组成部分。文献资料显示,大面积、权威的体质调查通常为横断面数据资料,由于受测量误差和抽样误差的影响,难以揭示不同年龄段身体质量的差异和变化,缺乏科学性。本文依据2004年全国学生体质与健康调研报告中的数据,采用曲线拟合方法对山西省与全国城市汉族学生的
Height is an important physiological index that reflects the physical structure and growth and development of different groups of people, especially the vertical development level. Analysis of the status quo and regularity of students ’height growth and development is an indispensable and important component of the investigation of students’ physical health. According to the literature, large-scale and authoritative physical surveys are usually cross-sectional data. Due to the influence of measurement errors and sampling errors, it is difficult to reveal the differences and changes in body mass between different age groups, which is not scientific. Based on the data from the 2004 National Student Physique and Health Survey, this paper uses the curve fitting method to analyze the Han nationality students