Authors
Yao Liu, Jing Xu, Jinpeng Wang, Xiuwei Li, Haiyan Wang, Wei Ma, Xiangju Meng, Xiuming Han, Licui Sun, Ying Zhang
Published in
Wei sheng yan jiu = Journal of hygiene research. Volume 55. Issue 3. Pages 397-422.
Abstract
Investigate the coverage rate of iodized salt(CR) in different areas with varying water iodine levels, evaluate the iodine nutritional status and goiter rate of children aged 7-11 years old, and analyze the iodine intake levels of children.
From September to October in 2024, field investigations were conducted in iodine-excess areas(IEA), iodine-adequate areas(IAA), and iodine-deficient areas(IDA). A total of 1536 children aged 7 to 11 years were included in the study. Iodine specific food frequency questionnaire was used to collect children's dietary information. Thyroid volume was measured, and drinking water, salt, and urine samples were collected for laboratory tests. The iodine nutritional status of children was evaluated by the median urinary iodine, and the adequacy of children's daily iodine intake level was evaluated according to the recommended dietary iodine intake.
The CR rates of IEA, IAA and IDA were 0.00%, 94.75% and 97.39%, respectively. The corresponding medians of urinary iodine were 739.60, 217.45 and 175.55 μg/L, respectively. The goiter rates of IEA, IAA and IDA were 9.30%, 1.37% and 1.53%, respectively. The median of total dietary iodine intake of IEA, IAA and IDA were 318.54, 261.28 and 195.83 μg/d, respectively. There were significant differences in the above indicators among different water iodine areas(P<0.05).
Children with IDA were iodine adequate. Children with IAA are at risk of high iodine intake. The children with IEA were in iodine excess state, and intervention measures such as improving water iodine should be further strengthened.
PMID:
42394322
Bibliographic data and abstract were imported from PubMed on 03 Jul 2026.
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