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[目的]掌握河北省高碘地区8￣10岁儿童甲状腺肿大流行的影响因素。[方法]采用人口比例概率抽样方法(PPS)。[结果]采集测定居民饮用水样85份,水碘中位数为166.0μg/L。采集测定居民户盐样301份,盐碘中位数为28.8mg/kg,碘盐覆盖率为70.43%。B超法检查8￣10岁儿童1259名,发现甲状腺肿大138例,肿大率为10.96%。水碘大于150μg/L的调查点中,有碘盐供应的儿童甲状腺肿大率要高于无碘盐供应的,分别为12.1%和8.6%。[结论]碘盐加重了高水碘对儿童甲状腺造成的危害,高碘地区应停止供应碘盐。
[Objective] To master the influential factors of goiter in children aged 8 ~ 10 years in high iodine area in Hebei Province. [Method] The population proportion probability sampling method (PPS) was used. [Result] 85 samples of drinking water samples were collected and the median of water iodine was 166.0μg / L. A total of 301 salt samples collected from households were collected and the median salt iodine concentration was 28.8 mg / kg. The coverage of iodized salt was 70.43%. B-ultrasonography examination of 8 to 10-year-old children 1259, found that 138 cases of goiter, enlargement rate was 10.96%. Among the survey points with water iodine greater than 150 μg / L, the rate of goiter in children with iodized salt supply was higher than that without iodized salt supply, accounting for 12.1% and 8.6% respectively. [Conclusion] Iodized salt aggravates the harm caused by high water iodine to thyroid in children, and iodized salt should be stopped in high iodine area.