Objective To know about the nutrition knowledge and practice of the primary and middle school students in underdeveloped rural areas in Guangdong, and provide basis for formulating nutrition and health education intervention measures. Methods Using multistage cluster random sampling to choose the respondents. Questionnaire survey about nutrition knowledge and eating behavior was conducted among 1864 primary and middle school students. Results The primary and middle school students' nutrition knowledge average awareness rate was 41. 6%. 52.9% students were watching TV while eating. 30.9% , 23. 6% and 25. 4% students ate snacks usually and had the habit of picky and monophagia, drunk unboiled water. The unhealthy eating habits proportion of the middle school students was higher than that in the primary school students (P <0.05). Conclusion The primary and middle school students in underdeveloped rural areas in Guangdong lack enough nutrition knowledge, and have some unhealthy behaviors. Effective nutrition health education should be developed among students to foster their healthy eating practices.%目的 了解广东省经济欠发达地区农村中小学生营养知识和日常饮食行为习惯情况,为开展营养健康教育提供依据.方法 采用多阶段整群随机抽样方法抽取中小学生1864人,通过问卷调查获取中小学生营养知识和不良饮食行为习惯情况.结果 中小学生营养知识平均正确率仅为41.6%.中小学生边吃饭边看电视比例达到52.9%,有30.9%,23.6%和25.4%的中小学生经常吃零食或喝含糖饮料、挑食或偏食和经常喝生水.中学生不良饮食习惯比例高于小学生,差异有统计学意义(P<0.05).结论 广东省经济欠发达地区农村中小学生营养知识掌握不够,存在不合理的饮食行为.应对中小学生开展营养健康教育和行为干预,培养合理健康的饮食习惯.
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