中国十六城市汉族儿童生长的长期趋势

SECULAR CHANGE OF GROWTH IN CHINESE HAN NATIONALITY CHILDREN IN SIXTEEN CITIES.

本文报告了中国北京、天津、济南、太原、西安、兰州、沈阳、哈尔滨、上海、合肥、福州、广州、昆明、成都、长沙、武汉等１６个城市汉族７－１７岁儿童近１２年来生长的长期趋势。身高每１０年增长３．４３（男）、２．５４（女）ｃｍ，体重每１０年增长３．１３（男）、１，９７（女）Ｋｇ，下肢爆发力（立定跳远）每１０年增长１０．９２（男）、５．８３（女）ｃｍ。儿童身高的城乡差别缩小了０．９ｃｍ。发育高峰年龄提前了０．５３－１．１５年。长期趋势的强度大于文献报道。

This paper reported growth secular change in the past 12 years in Chinese Han nationality children in sixteen cities including Beijing,Tianjin,Shanghai,Jinan,Taiyuan,Xian,Lanzhou,Shenyang, Harbin, Hefei,Fuzhou Guangzhou,Kunming,Chengdu,Changsha,Wuhan.The majority of children's age were from 7 to 17.The average body height increase was 3.43(boys)and 2.54(girrs)cm and body weight increase was 3.13(boys)and 1.97(girls)Kg and body standing long jump increase was 10.92(boys)and 5.83(girls)cm in each decade.The difference in height between urban and rural children lessened 0.9cm on the average.