From: Increased traffic exposure and negative birth outcomes: a prospective cohort in Australia
Birth outcome (scale) | Road type | Radius (metres) | Estimate | 95% CI | P-value |
---|---|---|---|---|---|
Gestation (%) | Freeway | 400 | -4.4 | -8.1,-0.5 | 0.03 |
 | Highway | 400 | -2.5 | -5.9,1.0 | 0.16 |
 | Main road | 400 | -1.1 | -1.7, -0.5 | 0.001 |
Birth weight (g) | Freeway | 400 | 288.2 | -164.2, 740.6 | 0.21 |
 | Highway | 400 | 126.5 | -278.9, 531.9 | 0.54 |
 | Main road | 400 | -37.4 | -113.1, 38.2 | 0.33 |
Birth length (cm) | Freeway | 250 | -0.10 | -0.77, 0.57 | 0.76 |
 | Highway | 250 | -0.13 | -0.59, 0.32 | 0.57 |
 | Main road | 250 | -0.08 | -0.16, 0.003 | 0.06 |
Head circumference | Freeway | 400 | -0.70 | -2.20, 0.80 | 0.36 |
(cm) | Highway | 400 | 0.39 | -0.90, 1.62 | 0.57 |
 | Main road | 400 | -0.09 | -0.33, 0.15 | 0.47 |