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目的了解浙江省食用盐碘含量标准下调前后杭州市下城区学龄儿童家庭碘营养状况,为科学补碘提供依据。方法根据《碘缺乏病监测方案》要求,抽取约200户学龄儿童家庭进行家庭食用盐及其家庭成员尿样碘含量检测。结果学龄儿童家庭2013年盐碘值(中位数23 mg/kg)比2011年(中位数28 mg/kg)低,差异有统计学意义(P<0.05)。学龄儿童家庭碘营养处于适宜水平。学龄儿童及其父亲、母亲2013年尿碘水平(中位数196.0、203.0和197.0μg/L)与2011年尿碘水平(中位数190.0、175.0和202.0μg/L)相比差异无统计学意义(P>0.05)。结论碘盐新标准实施后,学龄儿童家庭的食用盐碘含量下降,但家庭成员的碘营养状况并没有因盐碘含量下降而出现明显变化。新碘盐标准对下城区学龄儿童家庭适用。
Objective To understand the iodine nutrition status of school-age children in Xiacheng District of Hangzhou City before and after the reduction of iodine content of edible salt in Zhejiang Province, and provide basis for scientific iodine supplementation. Methods According to the requirements of “iodine deficiency monitoring program”, about 200 families of school-age children were sampled to detect the iodine content of the household edible salt and its family members. Results The salt iodine value (median 23 mg / kg) of school-age children in 2013 was lower than that in 2011 (median 28 mg / kg), and the difference was statistically significant (P <0.05). Family iodine nutrition in school-age children is at an appropriate level. Urinary iodine levels (median 196.0, 203.0 and 197.0 μg / L) in school-aged children and their father and mother in 2013 had no significant difference from those in 2011 (median 190.0,175.0 and 202.0 μg / L) Significance (P> 0.05). Conclusion After the implementation of the new iodine salt standard, the iodine content of food salt in school-age children decreased, but the iodine nutrition status of family members did not change obviously due to the decrease of salt iodine content. The new iodized salt standard applies to families of school-age children in lower cities.