| <50 m distance to major road | NO 2 [16 μg/m 2 ] (five-year mean) 1 | PM 10 [7 μg/m 2 ] (five-year mean) 1 | ||||||
---|---|---|---|---|---|---|---|---|---|
 | RR | 95%-CI | p-value | RR | 95%-CI | p-value | RR | 95%-CI | p-value |
n/N | Â | 52/2478 | Â | Â | 42/2328 | Â | Â | 42/2328 | Â |
Model (a), adjusted for potential confounders2 | 2.33 | 1.09–4.95 | 0.0288 | 1.91 | 1.22–2.98 | 0.0048 | 1.26 | 0.75–2.14 | 0.3882 |
Model (b), additionally estimated in strata defined by or adjusted3 for: | |||||||||
FEV1 < 80% |  |  |  | 1.12 | 0.52–2.41 | 0.7683 |  |  |  |
 | 2.274 | 1.06–4.85 | 0.0339 |  |  |  | 1.144 | 0.67–1.95 | 0.6352 |
FEV1 ≥ 80% |  |  |  | 2.23 | 1.27–3.89 | 0.0049 |  |  |  |
FVC < 80% | 1.21 | 0.28–5.25 | 0.7951 | 1.13 | 0.57–2.22 | 0.7329 |  |  |  |
 |  |  |  |  |  |  | 1.134 | 0.66–1.93 | 0.6621 |
FVC ≥ 80% | 3.20 | 1.30–7.85 | 0.0112 | 2.38 | 1.30–4.34 | 0.0047 |  |  |  |