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Wei Sheng Yan Jiu. 2013 Nov;42(6):893-6.

[A cross-sectional study on urinary iodine and iodine content of salt among school children aged 8-10 years old in Yuhuan County, Zhejiang Province in 2012].

[Article in Chinese]

Author information

  • 1Yuhuan County Center of Disease Control and Prevention, Taizhou 317600, China. yhsumeifang@yeah.net
  • 2Yuhuan County Center of Disease Control and Prevention, Taizhou 317600, China.

Abstract

OBJECTIVE:

To understand the level of urinary iodine and iodine content of salt among school children aged 8 to 10 years in Yuhuan County, Zhejiang Province.

METHODS:

A cross-sectional study was conducted in a primary school of Yuhuan County purposely selected in 2012. Totally, 450 children aged 8 to 10 years were involved by the cluster-stratified sampling. All subjects received a free physical examination and morning urine and salt using in the household were collected. Urinary iodine and the iodine content of salt the children were tested.

RESULTS:

Totally, 449 of 450 children provided the morning urine enough to be tested. The median of children's urinary iodine was 114.0 microg/L, and the proportions of them with the urinal iodine < 50 microg/L, < 100 microg/L and > or = 300 microg/L were 4.4%, 37.9% and 2.7%, respectively. Among 447 salt samples collected, the median of iodine content was 0.0 mg/kg. The coverage rate of iodized salt was 27.3%, the qualified rate of iodized salt was 92.6%, and the intake rate of qualified iodized salt was 25.3%. The median of urinary iodine of children with iodized salt was significantly higher than that of those without iodized salt (Z = 3.47, P = 0.001).

CONCLUSION:

Current nutritional status of iodine is overall proper and safety in the population of school children aged 8-10 years old in Yuhuan County.

PMID:
24459897
[PubMed - indexed for MEDLINE]
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