Table 2.
Pollutants | Period | Mean (g/ppb) | 95 % confidence intervals | Mean of deviance information criterion |
---|---|---|---|---|
NO2(ppb) | 1st trimester | −0.99 | [−1.39, −0.59] | 512 |
2st trimester | −0.79 | [−1.26, −0.32] | 501 | |
3st trimester | −1.27 | [−1.72, −0.82] | 505 | |
Entire Pregnancy | −1.89 | [−2.23, −1.55] | 454 | |
NOx(ppb) | 1st trimester | −0.54 | [−0.80, −0.28] | 514 |
2st trimester | −0.52 | [−0.78, −0.26] | 512 | |
3st trimester | −0.61 | [−0.90, −0.32] | 512 | |
Entire Pregnancy | −0.87 | [−1.09, −0.65] | 465 |
aChange in term birth weight (g) per unit increase in exposure to air pollution (ppb)