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| A study on the iodine nutrition of children and pregnant woman after the iodine salt concentration adjustment in Zhejiang Province |
| ZHU Wen-ming, MO Zhe, MAO Guang-ming, WANG Yuan-yang, LOU Xiao-ming
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| The Center for Disease Control and Prevention of Zhejiang Province, Hangzhou, Zhejiang, 310051, China |
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Abstract Objective To learn the status of iodine nutrition and the goiter of children and pregnant woman in Zhejiang Province after the iodine salt concentration adjustment. Methods The proportionate to population size sampling was applied to select 30 surveillance areas in Zhejiang Province, and iodine nutritional status were evaluated by 4 indicators that include goiter rate in 8-10 years old children, urine iodine, iodized salt and water iodine. Results The iodine content of 1 565 edible salt samples collected from the above children was measured, and the iodine median(P25-P75) was 23.30(21.00-25.80) mg/kg. The coverage of iodized salt rate was 88.43%, and 95.88% iodized salts was qualified.The qualified iodized-salt ingesting rate was 84.79%. The iodine content of children aged 8-10 years old and pregnant woman was tested, and iodine median(P25-P75) was 171.99(113.00-243.89), 134.14(82.10-202.98) g/L respectively. The iodine content of 66 water samples were randomly collected from the surveillance areas to be tested, and iodine median(P25-P75) was 2.42(1.17-6.28) μg/L. The proportion less than 10 g/L was 87.9%. The goiter status of 1 565 children were examined by B-type of ultrasonic, and the prevalence of goiter was 4.98%. Conclusion After the iodine salt concentration adjustment, the status of iodine nutrition in children was in optimum level, but the level of iodine nutrition in pregnant women was less than the state, which should be paid more attention.
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Received: 25 March 2016
Published: 11 December 2017
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