Birth weight (in g)a (n:785) | Birth length (in cm)a (n:784) | Birth head circumference (in cm)a (n:782) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
NO2 exposure period | β | (95% CI) | Linearity (df)b | β | (95% CI) | Linearity (df)b | β | (95% CI) | Linearity (df)b | |||
Unadjusted | ||||||||||||
First trimester | -3.564 | (-23.698;16.570) | L | -0.092 | (-0.177;-0.008) | NL (4) | -0.069 | (-0.133;-0.004) | L | |||
Second trimester | -4.464 | (-25.175;16.248) | NL (3) | -0.050 | (-0.137;0.037) | NL (2) | -0.071 | (-0.137;-0.004) | L | |||
Third trimester | -5.740 | (-26.553;15.072) | L | -0.010 | (-0.096;0.077) | NL (4) | -0.017 | (-0.084;0.049) | L | |||
Whole pregnancy | -5.792 | (-30.065;18.481) | NL (3) | -0.063 | (-0.165;0.038) | L | -0.074 | (-0.152;0.003) | L | |||
Adjusted c | ||||||||||||
First trimester | -12.782 | (-34.537;8.972) | NL (3) | -0.066 | (-0.149;0.017) | NL (4) | -0.066 | (-0.137;0.005) | L | |||
Second trimester | -9.961 | (-32.594;12.671) | NL (4) | -0.040 | (-0.125;0.044) | NL (3) | -0.060 | (-0.133;0.014) | NL (3) | |||
Third trimester | -4.294 | (-25.923;17.335) | L | -0.005 | (-0.089;0.079) | NL (2) | -0.028 | (-0.099;0.042) | L | |||
Whole pregnancy | -9.729 | (-33.218;13.760) | L | -0.047 | (-0.146;0.052) | NL(2) | -0.058 | (-0.134;0.018) | NL (3) |