Analysis of Urinary Iodine Monitoring Survey Result of 1007 School-aged Children in Yichun
OBJECTIVE To know iodine nutritious state among school-aged children of Yichun,make judgment of the iodine deficiency disorders(IDD)and provide prevention measures.METHODS Urinary iodine was tested among samples of 1 007 children aged 8-10 in Yichun by spectrophotometry with redox catalytic reaction of As-Ce.RESULTS The median of urinary iodine was 234.5 μg/L,the percentages of urinary iodine less than 20 μg/L,50 μg/L and 100 μg/L were 1.39%,6.36% and 15.09%,respectively.The percentage of urinary iodine more than 300 μg/L was 32.96%.Levels of urinary iodine were not obviously different in sexes(P﹥0.05),but showed significantly different in ages(P﹤0.05).CONCLUSION The iodine intake is enough at present in Yichun.In order to ensure the proper amount of iodine intake,it is necessary to supply and monitor the iodized salt.