论文部分内容阅读
目的探讨2009-2012年郑州市儿童血铅水平变化趋势及其影响因素,为铅中毒防治实施及儿童血铅水平监测、筛查、治疗提供重要依据。方法利用国家儿童铅中毒防治项目制定的统一调查问卷,调查了5975例患儿,由家长在统一培训的调查员指导下填写,经统计学分析儿童血铅水平的变化情况以及铅中毒原因。结果郑州市儿童的血铅水平和铅中毒率仍处于一个相对较高的水平。结论郑州市儿童血铅总体异常率为7.2%,且呈逐年下降趋势,男童血铅异常率高于女童,4~5岁组和6~岁组年龄段儿童血铅异常率比较高。
Objective To explore the trend of blood lead levels and its influencing factors in children from 2009 to 2012 in Zhengzhou City and provide an important basis for the prevention and control of lead poisoning and the monitoring, screening and treatment of blood lead levels in children. Methods A total of 5975 children were surveyed by using the national questionnaire of children lead poisoning prevention and control project. The parents were surveyed under the guidance of uniform training investigators. The changes of blood lead levels and the causes of lead poisoning were analyzed statistically. Results The blood lead level and lead poisoning rate of children in Zhengzhou were still at a relatively high level. Conclusion The overall blood lead abnormality rate of children in Zhengzhou City was 7.2%, and showed a decreasing trend year by year. The abnormal rate of blood lead in boys was higher than that in girls. The abnormal rate of blood lead in children aged 4 ~ 5 years and 6 ~