Fig. 3From: The reduction of birth weight by fine particulate matter and its modification by maternal and neighbourhood-level factors: a multilevel analysis in British Columbia, CanadaAdjusted predicted effects of DA-level factors on birth weight across levels of PM2.5. a Socioeconomic Status Index (SESi) b Asian Immigrant Density c Rural Residence. Predicted effects on birth weight with 95Â % confidence intervals are conditional on model covariates included in Model 4. Black vertical lines represent the frequency distribution of PM2.5 Back to article page