基诺族聚居区儿童身体形态指标变化分析

目的探究2011—2016年基诺族7～12岁男、女童身体形态变化的发展趋势,为人口较少民族儿童体质健康资料提供基础数据。方法以"中国人口较少民族儿童体质与健康调查"2011—2016年基诺族7～12岁儿童的身高、体重数据为样本(2011—2016年分别为438,482,411,399,472,531名),对基诺族男、女童的身高、体重、体质量指数(BMI)和BMI增长率进行横向与纵向对比。结果 2011—2016年基诺族7～12岁男、女童身高均值呈现整体上升,不同年份仍有小部分年龄略有下降;体重均值整体表现为增长趋势,但8～10岁男童存在不同程度的波动;BMI均值随年龄增长整体保持上升的发展态势,男、女童的趋势基本一致;BMI均值增长率大部分呈现正增长趋势。结论 2011—2016年基诺族7～12岁男、女童身体形态整体偏瘦,各项指标随着年龄增长整体呈现提高趋势,符合人体生长发育的一般规律。

Body shape changes among children living in Jinuo community

Objective To explore body shape changes among Jinuo boys and girls aged 7-12 years during 2011 to 2016, and to fill in the data gaps of the "National Physique Monitoring" and "Chinese Students' Physique and Health" database. Methods Height and weight of children aged 7-12 years living in Jinuo nationality during 2011-2016 were measured. Inter-and intra-individual variation in body mass index (BMI) and BMI growth rate of Jinuo male and female girls were compared. Results From 2011 to 2016, boys and girls aged 7-12 years living in Jinuo community showed an overall increase trend in height. Some temporal and small declines in specific year were also noticed; the overall weight average showed an increasing trend; BMI increased with the age. The trends in boys and girls are basically the same. Growth rate in BMI showed a positive increasing trend. Conclusion During 2011-2016, body shape among boys and girls aged 7-12 years living in Jinuo community is generally thin. All the indicators in body shape show an increasing trend with age, which fits within the basic principal of human growth and development.