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. 2016 Apr 29;124(10):1630–1636. doi: 10.1289/EHP209

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Change (95% CI) in cognitive growth per interquartile range increase in school source-specific PM_2.5 mass concentrations. Models were adjusted for age, sex, maternal education, residential neighborhood socioeconomic status, residential PM_2.5 levels from traffic and school pair; school and subject included as nested random effects. Working memory measured with 2-back Numbers, d´ × 100. Superior working memory measured with 3-back numbers, d´ × 100. Inattentiveness measures with HRT-SE, ms. Black diamonds (♦): indoor concentrations; open circles (o): outdoor concentrations.