广东省2010年中小学生贫血与蛔虫感染状况

目的 掌握广东省中小学生贫血和蛔虫感染的现状及发展趋势,为指导学生预防与控制贫血和感染蛔虫提供科学依据.方法 采用分层整群随机抽样方法确定调研点校,以年级分层,以教学班为单位随机整群抽样,选取7,9,12,14,17岁年龄组学生构成调查样本.采用WHO推荐的氰化高铁血红蛋白测定法检测血红蛋白；对农村7岁和9岁学生采用改良加藤厚涂片法检测蛔虫卵.结果 广东省中小学生贫血患病率为5.6％,男生为5.0％,女生为6.2％；城市为4.6％,乡村为6.6％,其中边缘性贫血占总贫血的82.2％.乡村7岁和9岁学生蛔虫感染率为5.9％,男生为5.5％,女生为6.3％.结论 贫血和蛔虫感染已不是广东省学生健康的主要威胁,但应保持监测和防治工作,防止反弹.

Status of anemia and ascarids infection among primary and middle school students in Guangdong Province in 2010

Objective To explore current status and future trends of anemia and ascarids infection and to provide scientific evidence to better prevent and control anemia and ascarids infection among primary and middle school students in Guangdong Province.Methods Five groups of students aged 7,9,12,14 and 17 were sampled using stratified cluster sampling methods.Schools were randomly selected and then classes from each school were chosen.Plasma Hb was tested using HiCN method and Ascarids eggs were detected using modified Kato’ s thick smear(Kato-katz) in rural students aged 7 and 9 years.Results The overall prevalence of anemia was 5.6%,with boys 5.0% and girls 6.2%;the prevalence of anemia was 4.6% for urban students and 6.6% for rural students.Infection rate of ascarids was 5.9% among rural students aged 7 and 9 years,with boys 5.5% and girls 6.3%.Conclusion Anemia and Ascarids infection do not pose a big threat to student health in Guangdong but surveillance task as well as prevention and control should be done continuously to prevent rebound.