Analysis of a survey on status of iodine content in drinking water, edible salt and urine of children aged 8 -10 in Qingdao in 2008 - 2009
10.3760/cma.j.issn.1000-4955.2011.06.018
- VernacularTitle:2008-2009年青岛市居民饮用水水碘和盐碘及8～10岁儿童尿碘调查结果分析
- Author:
Feng-ying, JI
- Publication Type:Journal Article
- Keywords:
Drinking;
Urine;
Sodium chloride,dietary;
Data collection
- From:Chinese Journal of Endemiology
2011;30(6):663-666
- CountryChina
- Language:Chinese
-
Abstract:
Objectives To identify the status of iodine content in drinking water,edible salt and urine of children aged 8- 10 after implementing every village project in Qingdao for providing basic reference for government's decision-making.Methods From March 2008 to July 2009,residents' living and drinking water samples were collected in 12 districts and counties of Qingdao,and iodide content was measured by cerous sulfate catalytic spectrophotometry.Urine samples of children aged from 8 to 10 were collected,in which the iodide content was quantitative tested by arsenic cerium catalytic spectrophotometry.Samples of household edible salt were collected to determine iodide content by direct titration.Results A total of 5067 water samples were measured,the median iodine content of water was 7.35 μg/L.A total of 1182 urine samples of children aged 8 - 10 were tested,and the urinary iodine content ranged from 4.6 μg/L to 5995.3 μg/L with a median of 200.6 μg/L.Besides,3504 household salt samples were tested,and the percentages of non-iodized salt,iodized salt and qualified iodized salt were 1.74％(61/3504),98.26％(3443/3504) and 96.32％(3375/3504),respectively.Conclusions Qingdao is situated in environmental iodine deficient area,and the iodine nutritional status of residents is appropriate owing to the implementation of universal salt iodization policy in Qingdao region.Comprehensive prevention and control measures to iodine deficiency disorders,including marketing iodized salt,should be implemented continually.
