2012 Fiscal Year Final Research Report
Intelligence Quotient (IQ) and Social Competence (SC) of Children Drinking Arsenic Contaminated Groundwater in Bangladesh
| Project/Area Number |
22406022
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Public health/Health science
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| Research Institution | Saga University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
WATANABE Chiho 東京大学, 大学院・国際保健学専攻, 教授 (70220902)
NAGANO Megumi 熊本保健科学大学, 保健科学部, 教授 (10136723)
MATSUMURA Yasuhiro 文教大学, 栄養学部, 教授 (60181757)
SUDA Kazuhiro 北海学園大学, 人文学部, 教授 (00222068)
TANAKA Mika 福岡大学, 医学部, 講師 (70412765)
USHIJIMA Kayo 福岡大学, 医学部, 講師 (10336191)
UENO Daisuke 佐賀大学, 農学部, 講師 (60423604)
FUJIMURA Miho 佐賀大学, 農学部, 准教授 (60301355)
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| Project Period (FY) |
2010 – 2012
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| Keywords | バングラデシュ / 地下水 / 砒素汚染 / 児童・生徒 / 知的機能(IQ) / 社会生活能力(SC) |
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| Research Abstract |
The effects of long term exposure to arsenic on IQ (IntelligenceQuotient) or SC (social competence) of Bangladeshi children, who have been drinking arsenic-contaminated groundwater, were examined with more than 200 subjects in each agegroup of 4-5 years, 9-10 years, and 14-15 years old. Children who have been highly exposed to arsenic (those with high urinary arsenic concentration) showed lower IQ and SC scoresin each age group. The relation was consistent after controlling for parents’socioeconomic conditions (income, education and occupation). Therefore, exposure to arsenic (drinking arsenic contaminated groundwater) from early stage of life was considered to be critical for the mental and social development.
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