Table 2 Exposure to PM2.5 and O3 and Ambient Temperature for the Longitudinal Study Population of Women Residing in North Carolina Who Delivered at Least 2 Singleton Neonates, 2002-2006
Exposure variable | First trimester | Second trimester | Third trimester | Whole pregnancy | ||||
|---|---|---|---|---|---|---|---|---|
Mean (IQR) | Min, Max | Mean (IQR) | Min, Max | Mean (IQR) | Min, Max | Mean (IQR) | Min, Max | |
Non-Hispanic black women (n = 13,797) | ||||||||
PM2.5 | 13.6 (3.16) | 7.32, 22.1 | 13.7 (3.26) | 7.18, 22.4 | 13.7 (3.30) | 5.64, 27.34 | 13.7 (1.89) | 7.99, 19.1 |
O3 | 43.2 (17.4) | 24.2, 70.3 | 43.5 (16.8) | 24.2, 70.5 | 43.0 (17.5) | 23.1, 77.2 | 43.2 (5.67) | 30.0, 60.2 |
Temperature (°F) | 60.3 (23.0) | 30.4, 84.4 | 61.0 (23.0) | 35.4, 83.5 | 60.9 (23.2) | 31.8, 84.1 | 60.7 (7.80) | 43.1, 76.0 |
Non-Hispanic white women (n = 39,617) | ||||||||
PM2.5 | 13.5 (3.55) | 6.59, 21.5 | 13.5 (3.39) | 6.68, 22.2 | 13.6 (3.54) | 6.59, 25.7 | 13.5 (1.94) | 7.55, 18.6 |
O3 | 43.4 (16.7) | 24.2, 71.1 | 43.5 (16.5) | 24.2, 71.3 | 43.5 (16.5) | 21.4, 73.5 | 43.5 (5.62) | 28.7, 60.9 |
Temperature (°F) | 59.7 (23.1) | 24.7, 85.8 | 59.8 (22.5) | 24.4, 83.6 | 60.2 (23.5) | 22.6, 84.3 | 59.9 (7.62) | 36.4, 78.1 |