2009年寿光市高水碘地区改饮低碘水后居民碘营养水平调查

Survey on the Residents' Iodine Level in High Iodine Area after Taking Low Iodine Water in Shouguang City,2009

[目的]了解高碘地区改饮低碘水后的居民碘营养水平,以便实施科学补碘。[方法]2009年,在寿光市近海的羊口镇镇区和侯镇农村,检测当地水源和输入的自来水含碘量;检测盐碘含量;检测8~10岁儿童及其家庭成员和孕妇尿碘水平。[结果]羊口镇区本地水含碘量中位数186.3μg/L,饮用的自来水含碘量平均值9.3μg/L;食用碘盐30 d后,尿碘中位数碘盐组为260.9μg/L,非碘盐组为147.3μg/L。侯镇农村改水前（2007年）集中供水碘含量中位数70.2μg/L,改水后（2009年）自来水碘含量平均值16.3μg/L。2009年侯镇居民碘盐食用率为55.56%,盐碘含量平均值30.5mg/kg;尿碘中位数8~10岁儿童为169.3μg/L,孕妇为138.6μg/L。[结论]改水后,羊口镇区居民碘营养均处于适宜或偏高水平;侯镇农村居民碘营养不足。

[Objective] To take scientific methods to complement the iodine of the residents in high iodine area according to their iodine level after taking a low iodine water.[Methods]In 2009,testing the iodine content in the local water and imported water;testing iodine content of salt;testing the urine iodine level about 8 to 10-year-old children and their family members and pregnant women in the coastal Yangkou and Houzhen town of Shouguang city.[Results]The median iodine in water in Yangkou town is 186.3 μg/L,the average value of the iodine in running water is 9.3 μg/L;after taking iodized salt for 30 days,the median urinary iodine in iodized salt group is 260.9 μg/L,non-iodized salt group is 147.3 μg/L.Before changing water in Houzhen town of Rural（before 2007）,the median iodine in water which was supplied by concentration is 70.2 μg/L,after that（since2009）,the average value of iodine in water is 16.3 μg/L.In 2009,the eating percentage of iodized salt in Houzhen town was 55.56%,the average value of iodine and salt in water is 30.5 mg/kg;urinary iodine for children aged 8 to 10 is 169.3 μg/L,pregnant women is 138.6 μg/L.[Conclusion]After changing the water,the iodine level of residents in Yangkou Town is appropriate or higher;the iodine nutrition level of villagers in Hou Zhen is inadequate.