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目的了解和动态观察基本实现消除碘缺乏病阶段目标后居民食用盐中碘含量及学龄儿童碘营养水平,为指导防治工作提供科学依据。方法按照《陕西省碘盐监测方案》和《陕西省学龄儿童尿碘监测方案》对居民食用碘盐及8～10岁学龄儿童尿样进行抽样检测与结果分析。结果居民合格碘盐食用率为98.78%,盐碘中位数为31.1 mg/kg,盐碘变异系数为17.6%;8～10岁学生的尿碘中位数为321.5μg/L。结论实现消除碘缺乏病阶段目标后,城固县碘盐的质量稳定,能足以保证人群的碘营养需求,但部分学生的碘营养水平有偏高趋势,应防范因碘摄入过量造成的对健康的负面影响。
Objective To understand and dynamically observe the iodine content in edible salt and the level of iodine nutrition in school-age children after eliminating the target of iodine deficiency deficiency stage basically, so as to provide a scientific basis for prevention and control work. Methods According to “Surveillance Program of Iodized Salt in Shaanxi Province” and “Urinary Iodine Monitoring Program for School-aged Children in Shaanxi Province”, samples of urine samples of iodized salt and school-aged children aged 8-10 years were sampled and analyzed. Results The resident iodine salt consumption rate was 98.78%, the median of salt iodine was 31.1 mg / kg and the variation coefficient of salt iodine was 17.6%. The median urinary iodine of students aged 8 ~ 10 was 321.5 μg / L. Conclusion After the goal of eliminating iodine deficiency deficiency stage is achieved, the quality of iodized salt in Chenggu County is stable enough to ensure the population’s iodine nutrition needs. However, some students have a tendency of high iodine nutrition level, and should prevent iodine intake caused by overdose Negative health effects.