安阳市0～2岁婴幼儿碘营养状况及其影响因素分析

Analysis of iodine nutritional status and its influencing factors of infants at 0～2 years old in Anyang city

目的了解安阳市0~2岁婴幼儿碘营养状况,并分析相关影响因素,为调整补碘政策提供依据。方法收集安阳市2013、2014年和2015年碘盐监测数据及婴幼儿尿碘监测数据,分析性别、城乡、月龄、喂养方式等因素的对婴幼儿碘营养的影响。结果 2013、2014年和2015年安阳市分别采集碘盐2 685份、2 400份和2 385份,其中位数分别为25.70、25.93μg/L和26.31μg/L。经分析性别、城乡差异及不同的喂养方式对婴幼儿尿碘的均没有影响,差异无统计学意义(P>0.05);而月龄差异对婴幼儿有影响,差异具有统计学意义(χ2=8.93,P<0.05)。结论安阳市0~2岁婴幼儿碘营养状况良好,碘的供应基本达到身体发育的需要;婴幼儿碘营养水平不受性别、城乡差异及不同喂养方式的影响,随着月龄的增大,体内尿碘水平下降。

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 statisti cally 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.