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UK Against Fluoridation

Monday, April 13, 2020

Association between fluoride exposure and behavioural outcomes of school-age children: a pilot study in China

Journal Contribution
 posted on  by Anqi Wang Leizhen Duan Hui Huang Jun Ma Yawei Zhang Qiang Ma Yao Guo Zhiyuan Li Xuemin Cheng Jingyuan Zhu Guoyu Zhou Yue Ba
To assess the association between fluoride exposure and children’s behavioural outcomes, we recruited 325 resident school-age children (7–13 years old) lived in Tongxu County of Henan Province in China. We measured urinary fluoride (UF) concentrations using the ion-selective electrode method. Children’s behavioural outcomes were assessed by Conners’ Parent Rating Scale-Revised, including conduct problems, learning problems, psychosomatic problems, impulsive-hyperactive, anxiety, and ADHD index. It turned out that each 1.0 mg/L increment in UF concentration corresponded with an elevation in the psychosomatic problem score of 4.01 (95% CI: 2.74, 5.28) and a 97% (OR = 1.97, 95% CI: 1.19, 3.27) increase in the prevalence of psychosomatic problems after adjusting for potential influencing factors. The sensitivity analysis results were consistent with those observed in our preliminary analysis. Our study suggests that fluoride exposure is positively related to the behavioural problem in school-age children, psychosomatic problem in particular.

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