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Residential Proximity to Freeways and Autism in the CHARGE Study
Published June 1, 2011
in Environ Health Perspect, Volke et al.
Researchers at the University of Southern California examined the association between autism and proximity of residence to freeways and major roadways during pregnancy and near the time of delivery, as a surrogate for air pollution exposure. Using the mother’s address recorded on the birth certificate and trimester-specific addresses derived from a residential history, measures of distance to freeways and major roads were calculated and logistic regression models compared residential proximity to freeways and major roads for autism cases and typically developing controls. The researchers concluded that living near a freeway was associated with autism, and examination of associations with measured air pollutants is needed.
http://www.ncbi.nlm.nih.gov/pubmed/21156395
Filed under: Diagnostic Disparities, Mothers, Screening