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目的了解盐碘新标准实施后慈溪市儿童碘营养状况,为科学补碘提供依据。方法按“东西南北中”5个方位随机抽取,采集生活饮用水、儿童尿液及家中食盐进行水碘、尿碘和盐碘的检测。结果水碘含量中位数为3.8μg/L。2012年-2014年共采集儿童家中盐样260份,盐碘中位数为25.1mg/kg,合格碘盐食用率为95.8%;检测儿童尿碘260份,儿童尿碘中位数169.7μg/L,尿碘含量<100μg/L为11.2%,三年尿碘中位数差异有统计学意义(P<0.05),尿碘含量呈逐年下降趋势。结论 2012年新标准碘盐实施后儿童碘营养处于适宜水平,但慈溪市作为为碘缺乏地区,必须坚持食用合格碘盐。
Objective To understand the iodine nutrition status of children in Cixi City after the implementation of the new salt iodine standard to provide scientific basis for iodine supplementation. Methods According to “five directions of North, South, East and West ” were randomly selected to collect drinking water, urine and children’s urine salt iodine, iodine and iodine. Results The median water iodine content was 3.8 μg / L. A total of 260 salt samples were collected from children’s homes during 2012-2014. The median salt iodine concentration was 25.1 mg / kg and the eligible iodine salt consumption rate was 95.8%. The urinary iodine was detected in 260 children and the median urinary iodine was 169.7 μg / L, urinary iodine <100μg / L was 11.2%. The median of urinary iodine in three years had significant difference (P <0.05), urinary iodine content showed a declining trend year by year. Conclusion After the implementation of the new standard of iodized salt in 2012, the iodine nutrition in children is at an appropriate level. However, as iodine deficiency areas in Cixi City, iodized salt must be insisted on.