Association of prenatal exposure to ambient air pollution with adverse birth outcomes and effect modification by socioeconomic factors.

For income, there was an indication of an exposure-response trend of a higher likelihood of term SGA corresponding to increasing PM 2.5 concentration during pregnancy among those in the 25th percentile for household income compared to those in the 50th or 75th percentile, though this interaction did not reach statistical significance (p-interaction = 0.09).

also in 111,027 other papers