文章摘要
宋银吟,牟李红,李革,窦贵旺,李心术,刘新,钱百生,陈建兰,罗媚.不同剂量食盐加碘干预试验中人群尿碘的变化规律[J].中华流行病学杂志,2011,32(6):576-578
不同剂量食盐加碘干预试验中人群尿碘的变化规律
Study on the change of urinary iodine of different salt concentrations among the target population in an intervention trial
收稿日期:2010-11-01  出版日期:2014-09-10
DOI:
中文关键词: 尿碘;社区干预;队列;变化规律
英文关键词: Urinary iodine;Community intervention;Cohort;Variation
基金项目:重庆市"十一五"科技发展规划重大专项(2007AB5034);重庆医科大学2007年度校级课题基金(XBYB2007072)
作者单位E-mail
宋银吟 重庆医科大学公共卫生学院流行病学教研室, 400016  
牟李红 重庆医科大学公共卫生学院流行病学教研室, 400016 mulihong@yahoo.com 
李革 重庆医科大学公共卫生学院流行病学教研室, 400016  
窦贵旺 重庆医科大学公共卫生学院流行病学教研室, 400016  
李心术 重庆市疾病预防控制中心  
刘新 云阳县疾病预防控制中心  
钱百生 云阳县疾病预防控制中心  
陈建兰 璧山县疾病预防控制中心  
罗媚 璧山县疾病预防控制中心  
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中文摘要:
      目的 分析不同剂量食盐加碘干预后人群尿碘水平的变化规律及其影响因素.方法 采用多级整群随机抽样方法,抽取2个县(B县和Y县)中各3个乡镇居民研究对象,分别进行不同食盐加碘浓度(15±5、25±5、35±5)mg/kg的社区干预,观察干预后各人群的尿碘变化规律.结果 B县3个实验乡镇的尿碘水平随着干预时间逐渐下降,且以(15±5)mg/kg组下降较为明显,在6、12、18、24个月时分别为18000、18610、150 04、191 28 μg/L,符合WHO标准;(25±5)mg/kg组下降幅度次之,并在干预18个月时(187.96 μg/L)达到WHO标准;(35±5)mg/kg变动不大.Y县实验乡镇干预后尿碘略有下降,但均未达到WHO标准.两县甲状腺容积总体上由干预前3.65ml降至干预后的3.40ml,干预前后差异有统计学意义(x2=54.29,P<0.0001).结论 降低碘盐浓度可在一定程度降低尿碘水平,减少甲状腺肿大率.
英文摘要:
      Objective To analyze the change of urinary iodine in a cohort of intervention trial and to observe the role of different doses on salt iodization and related impact factors on nutritional condition of iodine. Methods Multistage cluster sampling was used to sample three townships in two counties for community intervention with different doses (15 ± 5, 25 ± 5, 35 ± 5)mg/kg. Results Compared to the (35 ± 5)mg/kg group, the urine iodine levels of three experimental townships were gradually declining in county B when time went on, and the (15 ± 5) mg/kg group showed anobvious results, at 6,12,18 and 24 months, with the urine iodine level as 180.00,186.10,150.04,191.28 μg/L respectively, which were in accordance with the WHO standard and reached to appropriate range (187.96μg/L) at the 18 month. The townships at county Y under intervention had declined slightly, but the urine iodine levels did not reach the WHO standard. The thyroid volume declined from 3.65 ml to 3.40 ml in two counties and the difference between them was statistically significant. Conclusion To some extent, reducing the iodine concentration in salt, had a role of lowering the urine iodine level and reducing the strumous rate.
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