Change in cognitive scores for each 10-fold increase in prenatal DDT/E serum concentrations in children tested at 7 and/or 10.5-years, stratified by sex. Models adjusted for maternal education, age, parity, PPVT scores, CES-D scores, birth country, and years in the U.S prior to delivery; HOME z-score; language of WISC testing; child age at WISC testing; and household poverty. Vertical lines with middle dots indicate 95% confidence intervals and beta coefficients, respectively, for the GEE or linear models. Asterisks (*) indicate the p-value for the interaction term is <0.10. Outcome key: WM=Working Memory, PR = Perceptual Reasoning, VC = Verbal Comprehension, PS = Processing Speed, FS = Full Scale IQ.