| Linear regression coefficients (95% confidence interval) | |
---|---|---|
Birth weight (g) (n = 340) | Birth length (mm) (n = 340) | |
PM2.5 | ||
 Crude | −52.34 (−150.24; 45.57) | − 3.43 (− 7.93; 1.08)) |
 Model 1 | − 36.84 (− 126.91; 53.23) | − 2.89 (− 7.22; 1.44) |
 Model 2 | − 54.44 (− 146.14; 37.27) | −3.45 (− 7.87; 0.97) |
Soot | ||
 Crude | −47.02 (− 116.78; 22.74) | − 3.60 (− 6;80; − 0.40)* |
 Model 1 | −46.75 (− 110.77; 17.69) | − 3.60 (− 6;67; − 0.54)* |
 Model 2 | −48.76 (− 113.15; 15.63) | −3.83 (− 6;91; − 0.75)* |
NOx | ||
 Crude | −5.16 (− 61.05; 50.74) | −2.18 (− 4.74; 0.39) |
 Model 1 | −6.86 (− 58.18; 44.45) | −2.24 (− 4.70; 0.21) |
 Model 2 | −17.20 (− 69.79; 35.39) | − 2.82 (− 5.33; − 0.30)* |
NO2 | ||
 Crude | −4.28 (− 61.44; 52.87) | −1.35 (− 4.33; 1.63) |
 Model 1 | −6.45 (− 58.92; 46.03) | −1.48 (− 4.44; 1.47) |
 Model 2 | −17.20 (− 70.60; 36.02) | −1.91 (− 4.98; 1.17) |