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对我省１３３４例０～６岁儿童体格发育纵向观察１年，按城乡、年龄、性别分组计算体重、身高、胸围的均值、标准差以及季增长、半年增长与年增长平均值与标准差。结果提示农村儿童体格发育水平仍低于城市，但总趋势均在增高。高生长速率集中在生后一年，三项指标的顺位为３个月＞６个月＞９个月＞１２个月。胸围在１岁后农村男、女童大于城市男女、童。影响婴幼儿体格发育的主要因素有：出生体重、喂养方式、环境因素、患病次数等
The physical development of 1334 children aged 0-6 years in our province was observed longitudinally for one year. The average body weight, height, average body mass, standard deviation and quarterly growth, six-year growth and annual growth average and standard deviation were calculated according to urban and rural areas, age and sex. The results suggest that rural children’s physical development level is still lower than the city, but the general trend is increasing. The high growth rate is concentrated in one year after birth, the three indicators of the order of 3 months> 6 months> 9 months> 12 months. Bust in rural areas after the age of 1, boys and girls than men and women in cities. The main factors affecting the physical development of infants and young children are: birth weight, feeding methods, environmental factors, the number of illness, etc.