Objective To understand the effect of health education intervention on nutrition knowledge and practice among primary and middle school students in underdeveloped rural areas of Guangdong Province,and provide basis for further improving nutritional status of primary and middle school students.Methods A multi-staged cluster random sampling method was used to choose the respondents.The health education intervention was carried out among 1909 students in six primary schools and six secondary schools.The forms of health education included lectures,publicity materials,knowledge contests and health education courses.Questionnaire surveys were conducted before and after intervention five months as baseline survey and evaluation survey respectively.Results Before and after intervene,the awareness rate of nutritional knowledge for primary school was 40.5％ and 66.1％ (P =0.003),42.6％ and 71.6％ (P =0.009) in middle school.The bad eating habits rate in primary school was 24.6％ and 21.6％ (P =0.602),32.3％ and 33.8％ (P =0.754) in middle school.The poor health rate in primary school was 11.3％ and 6.5％ (P =0.149),14.1％ and 7.6％ (P =0.083) in middle school.Conclusion Health education intervention could significantly improve the awareness rate of nutrition knowledge in primary and middle school students.Changing dietary habits should be the key content of health education intervention in future.%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健康教育干预的效果,为进一步改善中小学生营养状况提供依据.方法 采用多阶段整群随机抽样方法,抽取广东省经济欠发达地区6所小学和6所中学学生1909名作为研究对象.干预形式为专题培训、讲座、健康教育大课堂、发放宣传资料、版面巡展、知识竞赛等.采用问卷调查的方式进行基线调查和干预5个月后效果评估.结果 营养知识知晓率方面,小学生干预前后分别为40.5％和66.1％ (P =0.003),中学生分别为42.6％和71.6％ (P =0.009).不良饮食习惯方面,小学生干预前后分别为24.6％和21.6％ (P =0.602),中学生分别为32.3％和33.8％(P=0.754).不良健康状况方面,小学生干预前后分别为11.3％和6.5％ (P=0.149),中学生分别为14.1％和7.6％(P=0.083).结论 健康教育干预能明显提高中小学生营养知识知晓率,改变不良饮食习惯是今后中小学生健康教育的重点干预内容.
展开▼
