Table 3 Geometric means (95%CI) of air pollutant concentrations in different seasons.
From: The impacts of air pollution on maternal stress during pregnancy
Air pollutants | Lag days | Cool season (n = 476) | Warm season (n = 1455) | P-value a |
|---|---|---|---|---|
SO2 | Lag 0 | 22.19 (21.29, 23.14) | 21.34 (20.87, 21.82) | 0.141 |
Lag 0–2 | 24.23 (23.55, 24.93) | 21.40 (21.01, 21.79) | 0.081 | |
Lag 0–5 | 25.41 (24.66, 26.19) | 20.97 (20.63, 21.31) | 0.002 | |
Lag 0–7 | 25.32 (24.64, 26.02) | 21.24 (20.91, 21.57) | <0.001 | |
Lag 0–14 | 25.62 (25.02, 26.23) | 21.83 (21.54, 22.12) | <0.001 | |
NO2 | Lag 0 | 22.15 (21.32, 23.01) | 21.20 (20.79, 21.62) | <0.001 |
Lag 0–2 | 24.57 (23.90, 25.27) | 21.40 (21.05, 21.76) | <0.001 | |
Lag 0–5 | 24.67 (24.08, 25.28) | 20.96 (20.66, 21.28) | <0.001 | |
Lag 0–7 | 24.06 (23.56, 24.57) | 21.07 (20.76, 21.39) | <0.001 | |
Lag 0–14 | 23.77 (23.36, 24.19) | 21.14 (20.87, 21.41) | <0.001 | |
PM10 | Lag 0 | 67.29 (63.37, 71.46) | 60.30 (58.55, 62.10) | <0.001 |
Lag 0–2 | 70.45 (66.62, 74.51) | 61.61 (60.34, 62.91) | <0.001 | |
Lag 0–5 | 67.04 (64.16, 70.05) | 59.73 (58.63, 60.85) | <0.001 | |
Lag 0–7 | 69.22 (66.41, 72.15) | 61.38 (60.33, 62.44) | <0.001 | |
Lag 0–14 | 71.97 (69.18, 74.87) | 63.72 (62.79, 64.67) | <0.001 |
