Statistical analysis of monitoring data regarding urinary iodine level of infants and babies in Ningxia in 2009

Q3 Medicine

中华地方病学杂志 Pub Date : 2010-07-20 DOI:10.3760/CMA.J.ISSN.1000-4955.2010.04.019

Wu Hui-zhong, Li Li, You Wen-ning, Gao Hai-tao

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Abstract

Objective To determine urinary iodine level among babies and infants aged 0-30 months in Ningxia, and to provide scientific evidence for strengthening iodine supplement or decreasing salt iodine level in special population. Methods One thousand four hundred and eighty-three babies and infants were selected randomly from 664 administrative villages of 22 counties (city or district) by two-stage sampling method. Urinary iodine was tested with the arsenic cerium catalysis spectrophotometric method and related influencing factors were analyzed. Results Urinary iodine median was 216.5 μg/L of the whole autonomous region, and the value that was lower than 100 μg/L, accounted for 19.1%(283/1483), 100 - 300 μg/L accounted for 49.3%(731/1483), higher than 300 μg/L, accounted for 31.6% (469/1483). Urinary iodine median was in 130.6 - 328.4 μg/L of all counties, which was higher than 100 μg/L. The urinary iodine median of men(223.2 μg/L) was slightly higher than that(210.2 μg/L) of female, no significant difference was observed(Z = - 1.76, P > 0.05). Urinary iodine level changed little when child was younger than one year old(Z = - 0.624, P > 0.05). Then the value dropped gradually after one year old(χ2 = 13.59, P < 0.05), decreased with age by month, and the proportion of the value smaller than 100 μg/L was increased gradually. Urinary iodine level(257.5 μg/L) of child whose mother had taken iodine oil pills was higher than that (221.2 μg/L) of child whose mother had significant difference was observed(Z = - 2.54, P < 0.05). The urinary iodine level (239.1 μg/L) of child who received breast feeding was higher than that (204.2 μg/L) of child without breast feeding among one year old and younger infants and babies, significant difference was observed (Z = - 2.74, P < 0.05). Conclusions Current iodine level in iodized salt is probably higher than suitable in Ningxia, and the value could be decreased. It is unnecessary to strengthen iodine supplement procedure in special population other than people in Xiji county. Key words: Iodine; Infants and babies; Nutrition status

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2009年宁夏婴幼儿尿碘监测数据统计分析

目的了解宁夏地区0 ~ 30月龄婴幼儿尿碘水平，为特殊人群加强补碘或降低盐碘水平提供科学依据。方法采用两阶段抽样法，在全国22个县(市、区)664个行政村随机抽取1483名婴幼儿。采用砷铈催化分光光度法测定尿碘，并对影响因素进行了分析。结果全区尿碘中位数为216.5 μg/L，其中低于100 μg/L的占19.1%(283/1483)，100 ~ 300 μg/L的占49.3%(731/1483)，高于300 μg/L的占31.6%(469/1483)。各县尿碘中位数在130.6 ~ 328.4 μg/L之间，均高于100 μg/L。男性尿碘中位数(223.2 μg/L)略高于女性(210.2 μg/L)，差异无统计学意义(Z = - 1.76, P > 0.05)。1岁以下儿童尿碘水平变化不大(Z = - 0.624, P > 0.05)。1岁后逐渐下降(χ2 = 13.59, P < 0.05)，随月龄增加而下降，小于100 μg/L的比例逐渐增加。母亲服用碘油丸组患儿尿碘水平(257.5 μg/L)高于母亲服用碘油丸组患儿(221.2 μg/L)，差异有统计学意义(Z = - 2.54, P < 0.05)。1岁及以下婴幼儿尿碘水平(239.1 μg/L)高于未母乳喂养儿童(204.2 μg/L)，差异有统计学意义(Z = - 2.74, P < 0.05)。结论宁夏地区碘盐碘含量可能偏高，应进一步降低。西吉县以外的特殊人群无需加强补碘程序。关键词:碘;婴儿和婴儿;营养状态

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来源期刊

中华地方病学杂志我国对人类健康危害特别严重的地方性疾病：克山病、大骨节病、碘缺乏病、地方性氟中毒、地方性砷中毒、鼠疫、布鲁氏菌病、寄生虫、新冠肺炎等疾病，同时还报道多发性自然疫源性疾病。

CiteScore

1.60

自引率

0.00%

发文量

8714

期刊介绍： The Chinese Journal of Endemiology covers predominantly endemic diseases threatening health of the people in the areas affected by the diseases including Keshan disease, Kaschin-Beck Disease, iodine deficiency disorders, endemic fluorosis, endemic arsenism, plague, epidemic hemorrhagic fever, brucellosis, parasite diseases and the diseases related to local natural and socioeconomic conditions; and reports researches in the basic science, etiology, epidemiology, clinical practice, control as well as multidisciplinary studies on the diseases.