上海市中小学生在校午餐营养供给情况调查

Evaluation on Lunch Supply in Primary Schools and Middle Schools in Shanghai City

目的:了解上海市中小学生在校午餐营养供给情况,为后续制定上海市营养午餐标准提供科学依据。方法:运用分层随机整群抽样,抽取小学8所,初中、高中各5所,完全中学2所,共20所学校进行连续3天的午餐食谱和样品抽样调查,并随机选取其中的7所学校,对学生进行午餐问卷调查(n=5 389)。结果:肉蛋类小学、初中、高中的供应量分别为149.4、124.1、150.5g,水产类分别为11.4、28.3、13.2g,午餐脂肪供能比都超过30%。钙的供应量仅为推荐值的35%~60%,且多为植物性来源。关于午餐的问卷调查,仅有24.0%的学生认为午餐好吃,小学生、初中生、高中生的有剩饭剩菜的比例分别为58.3%、50.3%、64.3%。结论:上海市中小学生的午餐结构不尽合理,学生对于午餐的满意度也较低,应积极采取措施改善中小学生午餐。

[Objective]To evaluate the nutrition supply of lunch in primary schools and middle schools of Shanghai,providing evidence for later revise of nutritional lunch standards of Shanghai.[Method]The stratified cluster random sampling was applied,and eight primary schools,five junior high schools and five senior high schools,two combined junior-senior high schools,totally 20 schools were included for three-day food menu and samples survey.Meanwhile,a questionnaire on school lunch was conducted in seven schools（n=5 389）.[Result]The supply of meat and egg for primary schools,junior high schools and high schools were 149.4g,124.1g,150.5g,respectively,and the supply of seafood were 149.4g,124.1g,150.5g,respectively.The proportion of fat in total energy was over 30%while the supply of calcium only met 35%to 60%of the recommended,which mostly came from plant sources.[Conclusion]The food structure of school lunch in Shanghai city were unreasonable,and students had low satisfaction in lunch color,odor and flavor,so more efforts should be spent to improve the school lunch.