Table 4.
Lung function change in women and men exposed to dense traffic (>10 000 vehicles per day) versus reference (>500 m)
| Outcome | n | Women | p for trend | n | Men | p for trend |
|---|---|---|---|---|---|---|
| Traffic exposure | % (95% CI) | % (95% CI) | ||||
| FEV1 | ||||||
| >500 m | 1257 | – | 1153 | – | ||
| 75–500 m | 1451 | −0.82 (−1.83 to 0.19) | 1217 | −0.74 (−1.79 to −0.31) | ||
| <75 m | 198 | −1.21 (−3.23 to 0.80) | 0.083 | 165 | −0.85 (−2.98 to 1.28) | 0.169 |
| FVC | ||||||
| >500 m | 1257 | – | 1153 | – | ||
| 75–500 m | 1451 | −0.97 (−1.90 to −0.04) | 1217 | −0.09 (−1.03 to 0.86) | ||
| <75 m | 198 | −1.76 (−3.61 to 0.09) | 0.014 | 165 | 0.07 (−1.84 to 1.99) | 0.950 |
Estimates are adjusted for age, BMI, education and smoking status.
FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.