江门市区中小学生贫血防治10年的效果

目的了解江门市区近10年来中小学生贫血患病情况的动态变化和评价防治效果。方法分层整群随机抽样，调查学生贫血状况，对贫血学生进行综合防治。采用氰化高铁法测定血红蛋白值，诊断按WHO 1972年贫血筛查标准。结果贫血患病率呈逐年下降趋势，由1997年的18．91％下降至2007年的2．31％；中度以上程度贫血构成比由1997年的25．90％下降至2001年的1．00％，2002--2007年未检出；贫血患病率下降趋势小学生强于中学生，男生强于女生；平均贫血患病率小学生高于中学生，中学女生高于中学男生。结论江门市区中小学生贫血防治10年效果显著。防治贫血的重点人群是小学生和中学女生。

Effect on Prevention and Treatment of Anemia Among Primary and Secondary School Students in Jiangmen for 10 Years

[ Objective] To understand dynamic change of anemia status among primary and secondary school students over the past 10 years in Jiangmen and evaluate the effect of prevention and treatment of anemia. [ Methods] Stratified cluster random sampling was applied to investigate anemia status, and integrated measures were conducted for students with anemia. Hemoglobin values were determined by cyanmethemoglobin method according to the WH0 1972 diagnostic criteria for anemia. [ Results] Incidence of anemia declined annually, from 18.91% in 1997 to 2.31% in 2007. Anemia constitutive ratio above moderate degree declined from 25.90% in 1997 to 1.00% in 2001. No case was detected during 2002--2007. Downtrend in prevalence of anemia among primary school students was better than that of secondary school students, boys better than girls; the average prevalence of anemia among primary school students were higher than secondary school students, girls higher than boys in secondary school. [ Conclusion] The effect of prevention and treatment of anemia was significant. Anemia control focus groups were primary school students and secondary school girls.