关键词: 生长发育, 身高, 体重, 生理交叉现象, 城乡差异偏态分布, 中小学生

Abstract: Objectives To study the growth development and nutritional status of children and adolescents in Weihui of Henan province in 2011-2012 academic year,to find the differences between them from urban and rural areas and provide the corresponding information on study of growth and development between male and female students in Weihui City,and a basis on improving the city's health care management in schools. Methods According to the physical examination data of Weihui city's primary and high school students in 2011-2012 academic year,46 511 physical health indicators were analyzed from 6 to 15 years old based on their different genders and areas. Results Height and weight growth of 6~15 years old children and adolescents,reached the standard according to the Chinese reference value,except the male teenagers in rural areas.The children and adolescents were lagged off by their peers in cities comparing their body weight and height.The differences existed between the participants in urban and rural.In the group with the age of ten,comparing the average body height,urban boys were taller by 2.64 cm and urban girls were taller by 2.07 cm.For the average body weight,urban boys were heavier by 3.44 kg,while urban girls were heavier by 2.52 kg.In the group with the age of 10~11,it showed physiological cross-phenomenon of height growth.However,there was no such difference in weight growth.Preschool children's growth difference was more prominent. Conclusions A big gap of the children's growth level of Weihui and of the developed areas in China is found.Growth level differences between urban and rural students should not be ignored.Conducting school health care and health education in primary and high schools is needed urgently.

Key words: growth and development, body height, body weight, nutritional status;physiological cross-phenomenon, skewed distribution, primary and high school students