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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Environ Res. 2015 Jan 16;137:268–277. doi: 10.1016/j.envres.2014.10.035

Figure 1. Associations between prenatal maternal air pollution exposure and birth weight for gestation age z-score, stratified by sex and maternal pre-pregnancy obesity.

Figure 1

This figure demonstrates effect estimates and 95% CIs for BWGA z-score change per IQR increase in (A) BC level (IQR=0.21 μg/m3) and (B) PM2.5 level (IQR=1.64 μg/m3), stratified by sex and maternal pre-pregnancy obesity. Pinteraction denotes p-value for air pollution × sex interaction term in maternal obesity-stratified models. Models were adjusted for season of birth, maternal race, education, age at enrollment, prenatal smoking, prenatal NLEs, and neighborhood disadvantage index.