Table 3 |
|||||||
|
Geographical stratification. Asthma diagnosis in the city of Malmö and the area outside. |
|||||||
|
Malmö |
Region outside Malmö |
||||||
|
|
|||||||
|
n |
Asthma diagnosis |
OR a |
n |
Asthma diagnosis |
OR a |
||
|
Heavy traffic |
No |
1767 |
109(6.2%) |
1.00 |
4178 |
283(6.8%) |
1.00 |
|
Yes |
1877 |
161(8.6%) |
1.35(1.05–1.75) |
1343 |
119(8.9%) |
1.28(1.02–1.61) |
|
|
Heaviest road within <100 m |
no heavy road |
586 |
40(6.8%) |
1.00 |
3124 |
224(7.2%) |
1.00 |
|
<2 cars/min |
1021 |
66(6.5%) |
0.95(0.63–1.43) |
1193 |
82(6.9%) |
0.95(0.73–1.23) |
|
|
2–5 cars/min |
837 |
57(6.8%) |
0.99(0.65–1.51) |
961 |
75(7.8%) |
1.07(0.81–1.40) |
|
|
6–10 cars/min |
663 |
50(7.5%) |
1.12(0.72–1.72) |
212 |
19(9.0%) |
1.21(0.74–1.99) |
|
|
>10 cars/min |
537 |
57(10.6%) |
1.50(0.98–2.31) |
31 |
2 |
- |
|
|
NOx (μg/m3) |
0–8 |
13 |
1 |
- |
1824 |
138(7.6%) |
1.00 |
|
8–11 |
46 |
5 |
- |
1792 |
138(7.7%) |
1.01(0.79–1.30) |
|
|
11–14 |
562 |
39(6.9%) |
1.00 |
1268 |
83(6.5%) |
0.81(0.61–1.08) |
|
|
14–19 |
1325 |
76(5.7%) |
0.79(0.53–1.18) |
510 |
37(7.3%) |
0.93(0.64–1.36) |
|
|
>19 |
1698 |
149(8.8%) |
1.18(0.81–1.71) |
127 |
6(4.7%) |
0.58(0.25–1.34) |
|
|
p-trend |
0.044 |
p-trend |
0.079 |
||||
|
|
|||||||
|
a Adjusted for age, sex, and smoking. [OR(95%CI)]. |
|||||||
|
Lindgren et al. International Journal of Health Geographics 2009 8:2 doi:10.1186/1476-072X-8-2 |
|||||||
