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目的分析烟台市1985—2010年25 a间7～18岁学生身高、体重及体质量指数(BMI)生长变化趋势,为有关部门制定相应策略和措施提供科学依据。方法选取烟台市1985,1995和2010年学生体质健康调研数据,分城乡男女4个群体,利用SPSS 16.0对数据进行统计分析。结果 1985—2010年25 a间7～18岁学生身高、体重及BMI分别增长了6.1 cm,7.9 kg,1.9 kg/m2。其增速最大的群体,均为不同年龄段的城市男生,分别是10～12岁的3.8 cm/10 a,13～15岁的6.4 kg/10 a,10～12岁的1.7 kg/(m2.10 a)。身高、体重发育高峰年龄(MGA-H、MGA-W)25 a间分别提前了2.71岁和2.61岁,2010年MGA-H(10.30岁)比MGA-W(10.63岁)提前0.33岁。结论烟台市7～18岁学生25 a来身高、体重及BMI增长水平,均符合儿童青少年生长发育一般规律。城市男生可能是超重、肥胖的高发群体。
Objective To analyze the trend of height, weight and body mass index (BMI) growth of students aged 7-18 years in Yantai from 1985 to 2010, and provide a scientific basis for the relevant departments to formulate corresponding strategies and measures. Methods The survey data of physical health of students in 1985, 1995 and 2010 in Yantai were collected and divided into 4 groups of men and women in urban and rural areas. The data were analyzed by SPSS 16.0. Results The height, weight and BMI of students aged 7-18 years increased by 6.1 cm, 7.9 kg and 1.9 kg / m2 respectively from 1985 to 2010. The groups with the highest growth rate were all urban boys of different age groups, which were 3.8 cm / 10 a for 10-12 years, 6.4 kg / 10 a for 13-15 years and 1.7 kg / (m2) for 10-12 years .10 a). The height and weight growth peak age (MGA-H, MGA-W) were 2.71 and 2.61 years earlier than 25 years respectively. In 2010, MGA-H (10.30 years) was 0.33 years earlier than MGA-W (10.63 years). Conclusion The height, weight and BMI of students aged 7 ~ 18 years old in Yantai city all accorded with the general rules of growth and development of children and adolescents. Urban boys may be overweight, obese high-risk groups.