关键词: 碘营养, 影响因素, 婴幼儿

Abstract: Objective To provide the basis for adjusting policy of iodine supplement by studying the iodine nutritional status of infants at 0~2 years old and analyzing the related influence factors. Methods The monitoring data of iodized salt and urine iodine of infants of Anyang were collected in 2013,2014 and 2015,and were analyzed the factors of sex,urban and rural,age and feeding practice for iodine nutrition of infants. Results Totally 2 685,2 400 and 2 385 iodized salt were collected in 2013,2014 and 2015,and the medians of iodized salt were 25.70,25.93 μg/L and 26.31 μg/L.The differences of sex,urban and rural,age and feeding practice had no influence for iodine nutrition of infants,the differences were not statistically significant (P>0.05),but the difference of age had influence for infants,the difference was statistically significant (χ²=8.93,P<0.05). Conclusions The iodine-nutritional status of infants at 0~2 years old in Anyang is very good,the intake of iodine basically satisfy the need of physical growth.The differences of sex,urban and rural,age and feeding practice have no influence for iodine nutrition of infants.With increasing of age,the urinary iodine level declines in the body.

Key words: iodine nutrition, influence, infants