Table 3. Adjusted odds ratios (AOR) for LBW for each indicator of exposure in the multivariate models.
| Distance (meters)§ | AORa (95% CI) |
| <249.4 | 0.93 (0.82; 1.4) |
| 249.4 to <547.0 | 0.92 (0.82; 1.03) |
| 547.0 to <1,126.4 | 1.00 (0.89; 1.11) |
| 1,126.4 to ≤22,263.7 | 1.0 |
| Distance (meters) § | |
| <150 | 0.97 (0.87; 1.08) |
| ≥150 | 1.0 |
| DWTD (vehicles/hour)* | |
| <22.5 | 1.0 |
| 22.5 to <188.7 | 0.96 (0.86; 1.07) |
| 188.7 to <763.6 | 0.91 (0.82; 1.02) |
| 763.6 to ≤10,331.1 | 0.90 (0.80; 1.01) |
| LUR-PM10 (µg/m3)** | |
| <35.3 | 1.0 |
| 35.3 to <37.0 | 0.93 (0.83; 1.03) |
| 37.0 to <40.4 | 0.88 (0.79; 0.98) |
| 40.4 to ≤108.2 | 0.86 (0.76; 0.96) |
a
adjusted for antenatal care visits, number of previous alive births, number of previous stillbirths, maternal education, census-based income, marital status, maternal age and delivery.
§
Shortest distance to roads ≥95th percentile of traffic.
Statistical significance (*p<0.003, **p = 0.044).