谈大学生体质健康标准数据库的数据挖掘——以西安交通大学在校学生的年级特征和锻炼行为为例

Data Mining of College Students' Physical Health Standard Database:Grade Features and Exercise Behavior

为了了解大学生体质健康发展规律,作者对大学生《体质健康标准》数据库和体育行为问卷调查数据进行数据挖掘分析。结果表明:(1)大学生在一、二年级体质健康明显上升,三、四年级逐渐下滑,但与阳光体育运动实施前比较,下滑趋势有所减缓;(2)随年龄成长,大学生身体形态和机能逐年增长,身体素质逐年下滑,特别是耐力下滑最快,反映大学生缺乏毅力和积极进取的精神;(3)体质下滑是因为缺乏体育锻炼,随年级增长,大学生体育人口迅速减少,体育人口三项指标中锻炼频率减少幅度最大。

in order to find students＇ physique health law of development, this paper analysised the physical health standard database and sports behavior questionnaire survey by data mining. The results show that： （1） physical health of college students significant rise in junior, decline in grade three or four, but with the sun sports prior to the implementation of the comparison, slow down to decline ; （2） along with the age growth, col- lege students＇ physical form and function increased year by year, physical quality decline year by year, especially endurance fastest decline, reflecting college students lack perseverance and enterprising spirit; （3） physical quality decline because of lack of physical exercise, student sports population rapidly decrease with grade, decrease rate of exercise frequency is the largest in the three indexes of sports population.