大理白族儿童青少年营养现状与发展趋势

Nutritional status and the secular growth trend of Bai children and adolescents in Dali

目的分析大理白族青少儿2010年营养不良状况及1985—2010年营养不良检出率变化情况,为制定有效措施促进少数民族儿童群体的营养健康提供参考。方法采用WHO-2006筛查标准,对1985—2010年全国学生体质健康调研中的云南白族点校资料进行分析。结果白族学生营养不良率全面下降,男生生长迟缓率1985年、2000年和2010年分别为32.6%,24.3%,19.6%,女生分别为29.8%,24.3%,19.6%,其中后10 a的下降趋势更为明显。受身高长期趋势强有力支持,前15 a身高突增期出现在12-17岁,后10 a为7-11岁增长显著。学生体质量指数（BMI）的变化较为平衡。讨论白族儿童青少年营养状况改善明显,迅猛发展的民族经济和旅游业为儿童营养健康发展奠定了基础。

Objective To analyze the nutritional status in 2010 and the dynamic secular growth trend during 1985-2010 of Bai ethnic group in Dali during 1985- 2010. Methods The WHO- 2006 criterion was used for screening,and the period was divided into 1985- 2000 and 2000- 2010. Results An overall significant decreasing trend of malnutrition was found both in males and females. For the key contexts,the stunting prevalence were exchanged as 32. 6% →24. 3% →19. 6% in boys and as 29.8% →24. 3% →19. 6% in girls. This trend was strongly supported by the secular trend of increase in mean height,while the increments of height were mainly occurred among 12 to 17 years of age in the former 15 years and especially significant in the latter 10 yeas. Conclusion The optional rise of children＇s nutrition status and health are based upon the swift development of national economic and travelling of Bai ethnic group in Dali,and will have an excellent appearance in the future.