高级检索
钱明, 陈祖培, 聂秀玲, 赵金扣, 高岩, 陈月娥, 梁萍, 张庆兰, 尚莉, 李鸿来. 碘过量对8~10岁学生智力发育的影响[J]. 中国公共卫生, 2005, 21(9): 1064-1065. DOI: 10.11847/zgggws2005-21-09-24
引用本文: 钱明, 陈祖培, 聂秀玲, 赵金扣, 高岩, 陈月娥, 梁萍, 张庆兰, 尚莉, 李鸿来. 碘过量对8~10岁学生智力发育的影响[J]. 中国公共卫生, 2005, 21(9): 1064-1065. DOI: 10.11847/zgggws2005-21-09-24
QIAN Ming, CHEN Zupei, NIE Xiuling, . Effect of iodine excess on intelligence development in 8~10 years old pupils[J]. Chinese Journal of Public Health, 2005, 21(9): 1064-1065. DOI: 10.11847/zgggws2005-21-09-24
Citation: QIAN Ming, CHEN Zupei, NIE Xiuling, . Effect of iodine excess on intelligence development in 8~10 years old pupils[J]. Chinese Journal of Public Health, 2005, 21(9): 1064-1065. DOI: 10.11847/zgggws2005-21-09-24

碘过量对8~10岁学生智力发育的影响

Effect of iodine excess on intelligence development in 8~10 years old pupils

  • 摘要:
      目的   探讨不同水平的高碘摄入对儿童智力发育水平的影响.
      方法   以8~10岁学生为研究对象, 按居住地水碘含量分为NI、IE300, 500和1000等4组, 水碘含量中位数分别为19.70, 367.90, 655.95和1440.45μg/L, NI为对照组.测试中国联合型瑞文测验, B超检查甲状腺.
      结果   IE300, 500, 1000各组学生智商(IQ)分别为100.22, 100.45和97.56分, 与NI组(99.55)比较, 差异无统计学意义(P > 0.05).智力低下发生率NI、IE300, 500, 1000各组分别为1.86%, 1.92%, 2.99%和0, 差异无统计学意义(P > 0.05).NI、IE300, 500, 1000组B超甲肿率在0~2.94%之间.Logistic回归分析表明, 智力低下主要原因与母亲文化水平有关.
      结论   在水碘300~1500μg/L之间的碘过多环境中生活的学生智力发展正常, 高碘不是智力低下的危险因素.

     

    Abstract:
      Objective   To explore the effect of iodine excess(IE)on the intelligence development and mental retardation of pupils compared withe theose living in the areas of adequate iodine intake from dringking water.
      Methods   The samples of 8 -10 years old pupils were randomly divided intofour groups of NI, IE-300, IE-500, IE-1000, in which the medium of iodine concentration in water was 19.70, 367.90, 655.95, and 1440.45μg/Lrespectively.The group of NI was control group, others were study groups.The indicators of IQwere tested by Raven's scale, and theyroid checked by ultrasonic were observed.
      Results   The averages IQpoints of the groups of NI, IE-300, IE-500, IE-1000 were 99.55, 100.22, 100.45 and 97156.No statistic significance of average difference of IEgroups compared withe NI was found withe ANOVA test in he level ofα=0105.The rates of IQ < 70 of groups of IE-300 to 1 000 were 1.92%, 2.99%, and 0, compared withe the 1186% of NI.No statistic significance of rate difference of IEgroups compared withe NIwas found withe chi-square test in the level of α=0105.Furthermore, the total goiter rates of each group were located between 0-2.94%.Using logistic regres sion, education level of pupil's mothers was the main factor, which caused the mental retardation.
      Conclusion   For the children living in the IEenvironment of iodine 300-1500μg/Lin water, their brain dvelopment was normal, and IEcouldn't be a risk factor of mental retardation.

     

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