为了解信阳市氵师河区中小学生营养状况 ,探讨相关影响因素 ,制定相应的预防对策 ,我们于 2 0 0 0年秋季 ,对 2 0 6 1名 7～18岁在校学生 2 0 6 1名进行了营养状况调查。1　对象与方法1.1　对象　采用整群抽样方法 ,在氵师河区选取小学 3所、初中2所、高中 2所 ,再按班级和性别 In order to understand the nutritional status of primary and secondary school students in Qishi District of Xinyang City and to explore the related factors and to formulate corresponding preventive measures, we conducted a survey on 2,061 school-age children aged 7-18 years in the autumn of 2001 The name of the nutritional status survey. 1 objects and methods 1.1 object cluster sampling method, in the teacher division River District, selected three primary schools, junior high school two, two high schools, and then by class and gender