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为了解我区中小学生营养状况 ,给今后开展营养健康教育并为我区制订改善学生营养工作规划提供依据。我们于 2 0 0 1年 4~ 6月对大港区 82 2 0名 7~ 18岁中小学生的现时营养进行调查和评价。1 对象和方法1.1 对象 采取整群抽样的方法 ,城区中小学校 3所、高中 1所 ,男女学
To understand the nutritional status of primary and secondary students in our district, to carry out nutrition and health education in the future and to provide a basis for our district to develop plans to improve students’ nutrition. From April to June 2001, we conducted a survey and evaluation on the current nutrition of 82 20 primary and secondary school-age students aged 7 to 18 in Dagang District. 1 objects and methods 1.1 objects to cluster sampling method, urban primary and secondary schools 3, 1 high school, men and women learn