北京市7岁以下儿童体格发育状况

Survey on the current situation of growth and development of children under 7 years old in Beijing

【目的】了解北京市7岁以下儿童的体格发育状况。【方法】采用随机整群抽样方法,调查北京市从出生到不满7周岁城区和郊区的汉族健康儿童的体格发育状况,包括体重、身高、坐高、头围和胸围,调查共分22个年龄组,共调查17 522人。【结果】生后前3个月体重每月增加0.99~1.16 kg,身高每月增加3.6~3.8 cm,此后增长速度减慢;城区和郊区的体格发育各项指标平均值之间存在差异,集中于大年龄组。多数年龄组儿童体重、身高、坐高平均值高于中国九市儿童平均水平,头围、胸围与中国九市调查结果基本相同。北京市城区儿童绝大多数年龄组体重、身高均高于WHO标准,郊区儿童较小年龄组大多超过了WHO标准,而较大年龄组多数与WHO标准多没有差异。【结论】北京市儿童体格发育生长模式符合正常儿童体格生长的规律;儿童体格发育城郊差异仍然存在;总体上北京市7岁以下儿童体格发育在国内处于较高水平;北京市儿童体重、身高高于2006年WHO公布的新标准。

【Objective】 To investigate present status of growth and development of children under 7 years old in Beijing in 2005.【Methods】 Random cluster sampling was used.Beijing healthy children in Han ethnic group from birth to 7 years old in urban and suburbs were investigated.Weight,height,sitting height,head circumference and chest circumference were measured.All the children were classified into 22 age groups.17 522 children were selected.【Results】 Increase of weight and height were 0.99~1.16 kg and 3.6~3.8 cm per month in the first 3 months after the birth.There were differences in growth and development of children between urban and suburbs.Compared with the survey in nine cities of China,the mean value of weight,height and sitting height were higher than nine cities in most age groups while the mean value of head circumference and chest circumference were basically same.The average of weight and height in most of age groups of Beijing children in urban and Younger age groups in suburbs were higher than WHO new standard.【Conclusions】 The pattern of growth and development of children in Beijing is in normal state.The differences in urban and suburbs are still existed.The level of growth and development of children under the age of 7 years old in Beijing is ahead of other cities in China generally.Children＇s weight and height in Beijing are higher than the WHO new standards published in 2006.