Air pollutant/time scale | Overall cases (n = 446) | Cleft lip with or without cleft palate (n = 371) | Cleft palate only (n = 75) |
---|---|---|---|
aOR (95% CI) | aOR (95% CI) | aOR (95% CI) | |
Per IQR increase in CO | |||
1st month | 1.46 (1.20, 1.77) | 1.61 (1.30, 2.00) | 0.95 (0.56, 1.61) |
2nd month | 1.48 (1.22, 1.80) | 1.57 (1.28, 1.94) | 1.06 (0.62, 1.80) |
3rd month | 1.79 (1.48, 2.17) | 1.91 (1.55, 2.36) | 1.14 (0.66, 1.96) |
Per IQR increase in NO2 | |||
1st month | 1.92 (156, 2.36) | 2.00 (1.59, 2.51) | 1.88 (0.94, 2.69) |
2nd month | 1.84 (1.50, 2.26) | 1.76 (1.41, 2.21) | 2.05 (1.22, 3.44) |
3rd month | 1.65 (1.36, 2.01) | 1.60 (1.29, 1.99) | 2.11 (1.28, 3.47) |
Per IQR increase in SO2 | |||
1st month | 1.46 (0.91, 2.33) | 1.18 (0.98, 1.42) | 1.00 (0.60, 1.64) |
2nd month | 2.00 (1.25, 3.19) | 1.34 (1.12, 1.62) | 1.07 (0.65, 1.76) |
3rd month | 2.10 (1.37, 3.21) | 1.36 (1.15, 1.62) | 0.95 (0.63, 1.45) |
Per IQR increase in O3 | |||
1st month | 0.94 (0.74, 1.18) | 0.91 (0.70, 1.17) | 1.23 (0.70, 2.17) |
2nd month | 0.99 (0.78, 1.26) | 0.97 (0.75, 1.26) | 1.00 (0.57, 1.78) |
3rd month | 1.12 (0.88, 1.42) | 1.18 (0.91, 1.54) | 0.94 (0.53, 1.68) |