西宁市某县改水降氟效果测评  

Evaluation of water improvement to reduce fluoride in a county of Xining City

作　　者：赵生虎[1] 

机构地区：[1]青海省西宁市疾病预防控制中心,810007

出　　处：《职业与健康》2012年第17期2166-2167,共2页Occupation and Health

摘　　要：目的对西宁市某县36个村实施改水后6 a(2004—2010年)的效果进行测评。方法调查实施改水前后粮食产量、人均收入以及学生氟斑牙患病情况。结果共检查8～12岁学生1 199名,其中改换低氟水源的29个村检查887名,氟斑牙患病率为24.46%;未改水源的7个村检查312名,氟斑牙患病率达41.67%,差异有统计学意义(χ2=32.38,P<0.01)。改换低氟水源的8～12岁学生患病率达到<30%的病区控制标准。年人均粮食产量由改水前的205 kg增长到316 kg。人均经济收入由改水前的226元增长到392元。结论该县的改水降氟工程有显著的社会效益和经济效益;改水后的管理工作应加强。[ Objective ] To evaluate the effect of water source improvement to reduce fluoride in 36 village for 6 years （2004-2010 }. [ Methods ] The grain output, per capita income and dental fluorosis morbidity were investigated before and after the water source improvement. [ Results ] A total of 1 199 students aged 8-12 years old were examined, among which 887 students were in 29 villages where the water source had been improved, with prevalence of dental fluorosis of 24.46% ; 312 students in 7 villages without water source improvement, with prevalence of dental fluorosis of 41.67%, the difference was significant （χ2 = 32.38, P 〈 0.01 ）. The prevalence of students aged 8-12 years 〈 30% in water source improved areas which met the standards of endemic fluorosis disease area. Annual per capita food output increased from 205 kg to 316 kg, per capita income increased from 226 yuan to 392 yuan after water source improvement. [ Conclusion] The project of water improvement to reduce fluoride has significant social and economic benefits. The management should be strengthened after water source improvement.

关 键 词：地方性氟病 饮用水改水 氟斑牙患病率 

分 类 号：R123.9[医药卫生—环境卫生学]