Table 4 Percent difference in mean weight comparing change in pregnancy-averaged levels of air pollutants from 10 to 90th percentile (single-pollutant models)
Air pollutant | Age | Model 1 | Model 2 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Percent difference in weight | 95% CI | P value | Percent difference in weight | 95% CI | P value | ||||
PM2.5 | 3rd trimester | -10.24 | -15.00 | -5.21 | < 0.01 | -9.25 | -14.72 | -3.43 | < 0.01 |
birth | -5.77 | -9.45 | -1.93 | < 0.01 | -5.01 | -9.04 | -0.81 | 0.02 | |
2 years | -3.32 | -8.52 | 2.18 | 0.23 | -3.58 | -8.09 | 1.16 | 0.14 | |
PM10 | 3rd trimester | -7.23 | -12.29 | -1.88 | 0.01 | -4.93 | -11.08 | 1.64 | 0.14 |
birth | -5.72 | -9.45 | -1.83 | < 0.01 | -4.68 | -9.06 | -0.08 | 0.05 | |
2 years | -7.50 | -13.57 | -1.02 | 0.02 | -8.85 | -14.13 | -3.25 | < 0.01 | |
NO2 | 3rd trimester | -10.85 | -15.67 | -5.74 | < 0.01 | -10.94 | -16.44 | -5.07 | < 0.01 |
birth | -5.78 | -9.54 | -1.88 | < 0.01 | -6.45 | -10.47 | -2.24 | < 0.01 | |
2 years | -7.00 | -11.86 | -1.88 | 0.01 | -7.79 | -12.00 | -3.38 | < 0.01 | |
O3 | 3rd trimester | 5.72 | 0.67 | 11.02 | 0.03 | 9.97 | 3.84 | 16.45 | < 0.01 |
birth | 1.26 | -2.27 | 4.92 | 0.49 | 3.91 | -0.11 | 8.09 | 0.06 | |
2 years | 4.07 | -1.18 | 9.59 | 0.13 | 4.82 | 0.19 | 9.65 | 0.04 | |