幼儿睡眠、活动时间对身体指数的影响

身体指数包括QI、RI、BMI，幼儿睡眠、活动时间是影响身体指数的重要因素、利用回归分析按性别和年龄考察了幼儿睡眠、活动时间对幼儿身体指数的影响，得出如下结论：（1）睡眠时间是影响幼儿生长发育的主要因素之一；（2）适当的户内外活动有利于幼儿生长发育；（3）五岁女幼儿的身体指数主要受睡眠时间和户内活动时间的影响．

Children' sleep time and physical activity on the impact of physical index

Physical index includs QI,RI, BMI.Children＇ sleep and activity time is an important index of physical factors .We use the regression analysis to inspect the influence of children ＇ sleep and activity time on physical index according to gender and age. Conclusions are drawn as follows：（1） sleep time is one of the main factors of influencing the growth and development of infants;（2） the appropriate activities is good for the growth and development of infants;（3） The five-year-old female children＇ health index is mainly affected by sleep time and indoor activities of time.