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【目的】调查江苏省婴幼儿碘营养状况及影响因素,为本地区婴幼儿合理的碘摄取提供参考意见。【方法】采用分层随机抽样的方法,收集2 329名婴幼儿,检测尿碘浓度,询问并填写调查表,体格测量,分析尿碘水平及影响因素。【结果】1)江苏省5地区婴幼儿尿碘浓度四分位数间距(Q75～Q25)为250～100μg/L,尿碘中位数(MUI)为200μg/L;尿碘浓度(UIC)<100μg/L的比例为12.2%,UIC>300μg/L者占5.2%。2)不同月龄尿碘分布情况存在差异(χ2=19.870,P<0.05),不同地区尿碘分布情况存在差异(χ2=60.355,P<0.001)。3)Logistic回归分析显示:尿碘值可能与儿童月龄、居住地区及添加食盐有关,与父母文化程度无关。【结论】江苏省五地区婴幼儿平均碘营养状况处于适宜水平,仍存在碘缺乏和碘过量的现象;不同地区尿碘分布情况不同,城市尤以南京市婴幼儿碘缺乏和碘过量比例较高。
【Objective】 To investigate the status and influencing factors of iodine nutrition in infants and toddlers in Jiangsu province and provide reference for rational iodine intake in infants in this area. 【Methods】 A total of 2 329 infants and young children were collected by stratified random sampling method. Urinary iodine concentration was measured. Questionnaire and questionnaire were filled in and physical measurements were performed. The level of urinary iodine and its influencing factors were analyzed. 【Results】 1) Urine iodine concentration interquartile range (Q75 ~ Q25) was 250 ~ 100μg / L and urinary iodine median (MUI) was 200μg / L in 5 areas of Jiangsu Province. Urinary iodine concentration (UIC) The proportion of <100μg / L was 12.2%, and the percentage of UIC> 300μg / L was 5.2%. 2) There were differences in urinary iodine distribution at different months of age (χ2 = 19.870, P <0.05). Urinary iodine distribution was different in different regions (χ2 = 60.355, P <0.001). 3) Logistic regression analysis showed that: urinary iodine value may be related to children’s age, living area and add salt, has nothing to do with the educational level of parents. 【Conclusion】 The average iodine nutrition status of infants and young children in five districts of Jiangsu Province is at an appropriate level, and iodine deficiency and iodine excess still exist. The distribution of urinary iodine in different regions is different, especially in Nanjing, especially in iodine deficiency and iodine excess .