为掌握我县中小学生现时营养状况，及时发现问题，采取改进措施，保护学生身体健康，我们于1997年5月对中宁县6所有代表性的中小学学生进行了现时营养状况调查。结果如下。共检查3972名学生，年龄7～18岁，其中男2077人，女1895人；城市学生1272人，乡村学生2700人；小学生2090 In order to grasp the current nutritional status of primary and secondary school students in our county, identify problems in time and take measures to improve their health, we conducted a survey on the current nutritional status of all primary and secondary school students in Zhongning County in May 1997. The result is as follows. A total of 3972 students were examined, aged 7 to 18 years, of whom 2077 were males and 1895 were females; 1272 were city students and 2,700 were rural students; and 2090 were primary school students