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文中报道了绵阳市7～14岁儿童1877名智商测定结果，平均智商98．21±14．11，智力落后者占3．20％，边缘者占7．19％，中下等者占15．45％，中等者占52．32％，中上等者占15．56％，优秀以上者占6．28％。男、女儿童间智商无显著差异，绵阳城区儿童智商明显高于农村儿童。水碘均值＞2μg／L区域儿童智商显著高于水碘均值＜2μg/l区域儿童，提示儿童智商水平与水碘含量有关。
In this paper, 1877 IQ test results of children aged 7 ~ 14 years in Mianyang City were reported, with an average IQ of 98.21 ± 14.11, an intelligence score of 3.20%, a margin of 7.19%, and a median score of 15. 45%, medium, 52.32%, middle and upper 15.56%, outstanding, or 6.28%. There was no significant difference between male and female children’s IQ, children’s IQ of Mianyang city was significantly higher than that of rural children. Children with an average water iodine concentration> 2μg / L had a significantly higher IQ than children with a mean water <2μg / l, suggesting that children’s IQ was related to water iodine content.