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目的了解海岛居民碘营养现状,为有效落实科学补碘防控策略提供依据。方法采用分层随机抽样法选择不同碘盐覆盖率地区人群,调查居民户饮用水水碘含量、碘盐覆盖率、合格碘盐食用率,以及0～2岁婴幼儿、8～10岁儿童、成人、孕妇、哺乳期妇女的尿碘水平。结果碘盐高覆盖率组儿童、成人、哺乳期妇女、0～2岁婴幼儿尿碘水平均在适宜范围;碘盐低覆盖率组成人、哺乳期妇女的尿碘水平则低于WHO推荐值,儿童也处于WHO推荐值的下限边缘;不同碘盐覆盖率地区孕妇尿碘水平均低于WHO推荐值。结论现有的碘盐浓度下海岛居民碘营养水平是适宜的,不存在碘过量的问题,海岛同样需供应碘盐;应高度关注孕妇的碘营养状况,并将这部分人群监测纳入常规监测范围。
Objective To understand the status quo of iodine nutrition in island residents and provide basis for effective implementation of scientific iodine prevention and control strategies. Methods The stratified random sampling method was used to select the population with different coverage of iodized salt. The iodine content, iodized salt coverage and qualified iodized salt in drinking water of residents were investigated, and the infants aged 0 ~ 2, children aged 8 ~ 10, Urinary iodine levels in adults, pregnant women and lactating women. Results The levels of urinary iodine in children, adults, lactating women and 0 to 2 years old children with high coverage of iodized salt were all within the appropriate range. Urinary iodine levels in low iodized salt group and lactating women were lower than the WHO recommended values , And the children are also at the lower edge of the WHO recommended value. The urinary iodine levels of pregnant women in different iodized salt coverage areas are lower than the WHO recommended values. Conclusion The existing iodine salt concentration of island residents iodine nutrition is appropriate, there is no problem of iodine excess, the island also need to supply iodized salt; should pay great attention to iodine nutrition status of pregnant women, and this part of the population monitoring into the routine monitoring range .