Pollutant | Exposure Averaging Period | Model 1: Unadjusted | Model 2: Adjustedb | Model 3: Adjustedb with Firth’s Correction | |||
---|---|---|---|---|---|---|---|
N | ORa (95% CI) | N | OR (95% CI) | N | OR (95% CI) | ||
NO2(ppb) | Trimester 1 | 179 | 1.02 (0.68, 1.53) | 179 | 1.29 (0.70, 2.40) | 179 | 1.24 (0.72, 2.14) |
Trimester 2 | 180 | 1.82 (1.22, 2.73)** | 180 | 2.63 (1.41, 4.89)** | 180 | 2.22 (1.28, 3.85)** | |
Trimester 3 | 179 | 1.03 (0.69, 1.53) | 179 | 0.91 (0.55, 1.49) | 179 | 0.92 (0.59, 1.44) | |
Across Pregnancy | 180 | 1.58 (1.05, 2.37)* | 180 | 2.04 (1.13, 3.69)* | 180 | 1.82 (1.08, 3.07)* | |
O3(ppb) | Trimester 1 | 179 | 0.89 (0.60, 1.33) | 179 | 0.60 (0.31, 1.16) | 179 | 0.65 (0.37, 1.16) |
Trimester 2 | 180 | 0.75 (0.51, 1.12) | 180 | 0.68 (0.35, 1.32) | 180 | 0.73 (0.40, 1.31) | |
Trimester 3 | 179 | 1.14 (0.76, 1.70) | 179 | 1.48 (0.84, 2.63) | 179 | 1.40 (0.84, 2.35) | |
Across Pregnancy | 180 | 0.87 (0.57, 1.32) | 180 | 0.88 (0.53, 1.47) | 180 | 0.90 (0.57, 1.45) | |
PM2.5(μg/m3) | Trimester 1 | 180 | 0.79 (0.52, 1.20) | 180 | 0.80 (0.47, 1.35) | 180 | 0.86 (0.54, 1.36) |
Trimester 2 | 180 | 1.40 (0.95, 2.06) | 180 | 1.56 (1.01, 2.42)* | 180 | 1.47 (0.98, 2.19) | |
Trimester 3 | 179 | 0.94 (0.63, 1.41) | 179 | 0.93 (0.57, 1.51) | 179 | 0.95 (0.61, 1.47) | |
Across Pregnancy | 180 | 1.11 (0.75, 1.64) | 180 | 1.33 (0.83, 2.15) | 180 | 1.28 (0.82, 1.99) | |
PM10(μg/m3) | Trimester 1 | 179 | 0.88 (0.59, 1.31) | 179 | 0.69 (0.37, 1.28) | 179 | 0.76 (0.44, 1.30) |
Trimester 2 | 180 | 1.34 (0.92, 1.97) | 180 | 1.58 (0.97, 2.56) | 180 | 1.46 (0.94, 2.28) | |
Trimester 3 | 179 | 1.03 (0.69, 1.53) | 179 | 1.02 (0.58, 1.80) | 179 | 1.02 (0.61, 1.70) | |
Across Pregnancy | 180 | 1.17 (0.79, 1.73) | 180 | 1.27 (0.80, 2.04) | 180 | 1.22 (0.79, 1.88) |