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用录像和课本对中小学生实施预防血吸虫病的干预,结果显示,干预前,两组学生血吸虫病预防知识都非常缺乏。干预后,实验组和对照组钉螺认识率分别为99.33％和37.38％,认为血吸虫病能预防者分别为99.83％和74.42％,认为不到有螺地带下水才能预防者分别为99.50％和35.52％。问卷调查行为依从率分别为99.50％和39.61％,现场观察实际行为依从率分别为73.81％和7.32％,实验组也非常明显高于对照组。实验组接触疫水人数比干预前减少62.07％,对照组则上升11.76％;实验组血吸虫病感染率比干预前下降了44.49％,对照组则上升了50.00％。上述结果表明,实验组已经掌握了血吸虫病预防知识,建立了预防信念,改变了接触疫水的危险行为,血吸虫病感染率有了一定程度的下降,本次研究中的干预是有效的。
The video and textbooks on primary and secondary prevention of schistosomiasis intervention, the results show that before the intervention, the two groups of schistosomiasis prevention knowledge is very scarce. After intervention, the recognition rates of snails in experimental group and control group were 99.33% and 37.38%, respectively, and those who considered schistosomiasis prevention were 99.83% and 74.42%, respectively, and no prevention of schistosomiasis was 99.50% and 35.52% . The compliance rate of questionnaire survey was 99.50% and 39.61%, respectively, and the observed compliance rate of field behavior was 73.81% and 7.32% respectively. The experimental group was also significantly higher than the control group. In the experimental group, the number of contact with infected water decreased by 62.07% compared with that before the intervention, while that in the control group increased by 11.76%. The infection rate of schistosomiasis in the experimental group decreased by 44.49% and that in the control group increased by 50.00%. The above results show that the experimental group has mastered the prevention of schistosomiasis, established the belief in prevention, changed the risk of exposure to water, and the infection rate of schistosomiasis has declined to a certain extent. The intervention in this study is effective.