【摘要】 目的　合理评估碘盐监测结果。方法　用 Ｐ Ｐ Ｓ法抽取 ４５１ 户居民食用盐，定量分析碘含量。结果　非精制盐质量差是碘盐合格率低的关键。结论　笼统地以碘盐合格率来评价居民食用合格碘盐的水平，就会过高地估计居民食用合格碘盐的比率。而合格碘盐食用率综合了不同种类食盐加碘质量的基本信息，能更合理地评估碘盐监测结果。更多还原

【Abstract】 Objective To assess the surveillance results of iodized salt.Methods Iodine salt from 451 households were selected by PPS method.Results Iodine content of unrefined salt is less than the required 20mg/kg.Conclusions The rate of adequate iodized salt cannot be used to assess the level of qualified iodized salt eaten by residents,but the rate of qualified iodized salt eaten can. [更多还原