There was also a borderline significant association between saccular phase PM 2.5 exposure and raw FEV1 values (−0.044 L per 2-μg/m 3 increase in PM 2.5 , 95% CI: −0.086, −0.002).
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Prenatal exposure to ambient fine particulate matter and child lung function in the CANDLE cohort.
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The sentences
We also identified adverse associations in early pregnancy, although these associations did not reach statistical significance in any of the model specifications.