Malmö | Region outside Malmö | ||||||
---|---|---|---|---|---|---|---|
n | Chronic b. symptoms | OR a | n | Chronic b. symptoms | OR a | ||
Heavy traffic | No | 1767 | 150(8.5%) | 1.00 | 4178 | 246(5.9%) | 1.00 |
Yes | 1877 | 140(7.5%) | 0.91(0.71–1.16) | 1343 | 92(6.9%) | 1.20(0.94–1.54) | |
Heaviest road within <100 m | no heavy road | 586 | 43(7.3%) | 1.00 | 3124 | 179(5.7%) | 1.00 |
<2 cars/min | 1021 | 89(8.7%) | 1.21(0.83–1.77) | 1193 | 68(5.7%) | 1.00(0.75–1.34) | |
2–5 cars/min | 837 | 66(7.9%) | 1.10(0.73–1.64) | 961 | 69(7.2%) | 1.30(0.98–1.74) | |
6–10 cars/min | 663 | 47(7.1%) | 0.94(0.61–1.45) | 212 | 19(9.0%) | 1.63(0.99–2.69) | |
>10 cars/min | 537 | 45(8.4%) | 1.22(0.78–1.89) | 31 | 3 | - | |
NOx (μg/m3) | 0–8 | 13 | 0 | - | 1824 | 109(6.0%) | 1.00 |
8–11 | 46 | 4 | - | 1792 | 113(6.3%) | 1.04(0.79–1.37) | |
11–14 | 562 | 35(6.2%) | 1.00 | 1268 | 84(6.6%) | 1.17(0.87–1.57) | |
14–19 | 1325 | 96(7.2%) | 1.13(0.76–1.70) | 510 | 26(5.1%) | 0.88(0.57–1.37) | |
>19 | 1698 | 155(9.1%) | 1.57(1.06–2.30) | 127 | 6(4.7%) | 0.86(0.37–2.01) | |
p-trend | 0.017 | p-trend | 0.541 |