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Probability Of Intellectual Disability Is Associated With Soil Concentrations Of Arsenic And Lead, Suzanne Mcdermott, Junlong Wu, Bo Cai, Andrew Lawson, C. Marjorie Aelion
Probability Of Intellectual Disability Is Associated With Soil Concentrations Of Arsenic And Lead, Suzanne Mcdermott, Junlong Wu, Bo Cai, Andrew Lawson, C. Marjorie Aelion
C. Marjorie Aelion
BACKGROUND: The association between metals in water and soil and adverse child neurologic outcomes has focused on the singular effect of lead (Pb), mercury (Hg), and arsenic (As). This study describes the complex association between soil concentrations of As combined with Pb and the probability of intellectual disability (ID) in children. METHODS: We used a retrospective cohort design with 3988 mother child pairs who were insured by Medicaid and lived during pregnancy and early childhood in South Carolina between 1/1/97 and 12/31/02. The children were followed until 6/1/08, using computerized service files, to identify the diagnosis of ID in medical …