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. 2015 Dec 9;124(6):813–821. doi: 10.1289/ehp.1510101

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Measured maternal, cord, and 6-month infant serum PCB and DDE concentrations and the percent change (95% CI) in 6-month BCG-specific IgG and IgA levels for an interquartile range difference in each exposure. Maternal and cord serum models are adjusted for maternal ethnicity, education, age, smoking, and parity. Six-month infant models are adjusted for maternal ethnicity, education, and age. A second 6-month model includes maternal ethnicity, education, age, and the duration of exclusive breastfeeding. Interquartile ranges as well as crude and adjusted numerical estimates are available in Table S1.