上海市闵行区中学生营养标签健康教育效果评价

评价食品营养标签健康教育对中学生的影响效果,为探讨中学生营养标签认知方法提供依据.方法 采用随机整群抽样方法,从上海市闵行区公立学校中抽取2所初中和2所高中,随机均分为干预组(428人)和对照组(562人).对干预组开展营养标签健康教育,并对干预效果进行评估.结果 干预后,干预组对食品营养标签知一信一行水平与对照组及干预前相比均有提高(P值均<0.05).干预后,干预组对食品营养标签的总体知晓率从干预前的72.9%上升到96.6%(x2=45.730,P=0.000);认为营养标签有必要标示的比例从干预前的81.9%上升到95.7%(x2=19.938,P<0.01);购物时经常阅读和参考营养标签的比例从干预前的41.6%和32.1%分别上升到59.9%,42.5%(x2值分别为14.279,4.937,P值均<0.05).结论 学校开展多形式的营养标签健康教育活动,对提高学生营养标签知识、态度、行为水平积极有效.

Evaluation of effectiveness of health education of food nutritional labels for middle school students in Minhang district of Shanghai

Objective To evaluate the effectiveness of health education of food nutritional labels for middle school students,and to provide references for the improvement of the KAP.Methods Two junior high schools and two senior high schools were chosen from all the public schools in Minhang district of Shanghai by random cluster sampling.Among the four schools,one junior high school and one senior high school were chosen as intervention group randomly(428),and the remained schools were chosen as control group(562).Health education of food nutritional labels was carried out for intervention group and effectiveness of intervention was evaluated at last.Results The KAP of intervention group was better than that of control group after intervention,and it was also better than that before intervention(P<0.05).The total awareness rate of food nutritional labels was changed from 72.9% to 96.6% after intervention in the intervention group(x2 =45.730,P =0.000).At the same time,the rate of thinking that food nutritional labels were necessary increased from 81.9% before intervention to 95.7% after intervention(x2 =19.938,P<0.01).The rates of reading and reference were changed from 41.6%,32.1% to 59.9%,42.5% separately(x2 =14.279,4.937,P<0.05).Conclusion Conducting various health education of food nutritional labels in schools can effectively and positively increase the recognition,attitude and application of food nutritional labels observably in the students.