出版社：THE SCHOOL OF PUBLIC HEALTH, TEHRAN UNIVERSITY OF MEDICAL SCIENCES
摘要：Background: Long-term ingestion of large amounts of fluoride can lead to potentially severe skeletal problems and neurological consequences. The study was conducted to assess and compare intelligence quotient of children living in high and low fluoride areas in Kutch, Gujarat, India. Methods: A cross-sectional descriptive survey was conducted among 100 school children aged 8 to 10 years, living in Kutch District, Gujarat, India during July 2012. Mundra (2.4 to 3.5 mg/L) and Bhuj (0.5mg/L) were the two villages randomly selected to represent the high and low water fluoride areas respectively. Seguin Form Board Test was used to assess the intelligence quotient (IQ) level of children. Descriptive statistics and independent sample t-test was used for analysis. Results: Mean scores for average, shortest and total timing category were found to be significantly higher ( P <0.05) among children living in Mundra (30.45±4.97) than those living in Bhuj (23.20±6.21). Mean differences at 95% confidence interval for these timings were found to be 7.24, 7.28 and 21.78 respectively. In both the villages, females had lower mean timing scores than males but the difference was not statistically significant ( P >0.05). Conclusion: Chronic exposure to high levels of fluoride in water was observed to be associated with lower intelligence quotient.
关键词：Children; Cross sectional; Fluoride; Intelligence quotient; Seguin form board
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