Analysis of urine iodine monitoring results for children aged 8-10 and pregnant women in Dingyuan County,Anhui Province from 2021 to 2023
Objective To understand the monitoring results of urinary iodine in children aged 8-10 and pregnant women in Dingyuan County,Anhui Province,and provide scientific basis for formulating measures to improve iodine nutrition.Meth-ods From 2021 to 2023,one township(town,street)randomly selected from each of the five geographical directions of east,west,south,north,and middle in Dingyuan County each year.40 children aged 8-10 and 20 pregnant women were ran-domly selected from each township(town,street)as survey subjects.Urine samples were collected from survey subjects to detect urinary iodine content,the median urinary iodine was calculated,and iodine nutrition status was evaluated.Results A total of 600 children aged 8-10 and 300 pregnant women were surveyed in Dingyuan County from 2021 to 2023.The medi-an urinary iodine level among 600 children aged 8-10 years old was 297.27 μg/L,of which 28(4.67％)were below 100μg/L,98(16.33％)were between 100-199 μg/L,182(30.33％)were between 200-299 μg/L,and 292(48.67％)were above 300 μg/L.The median urinary iodine levels for children aged 8-10 in Dingyuan County from 2021 to 2023 were 300.44,258.60,and 346.32 μg/L,respectively,with statistically significant differences(H=48.269,P＜0.001).The me-dian urinary iodine level among 300 pregnant women was 223.13 μg/L,of which 74(24.67％)were below 150 μg/L,104(34.67％)were between 150-249 μg/L,114(38.00％)were between 250-499 μg/L,and 8(2.67％)were above 500 μg/L.The median urinary iodine levels of pregnant women in Dingyuan County from 2021 to 2023 were 215.03,167.22,and 284.02 μg/L,respectively,with statistically significant differences(H=37.407,P＜0.001).Conclusion Children aged 8-10 and pregnant women in Dingyuan County are at risk of iodine deficiency and exceeding the appropriate amount of iodine.
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