Table 10 |
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|
Relation between the exposure proxies and modeled NOx (μg/m3) as a continuous variable. |
|||||||||
|
Malmö NOx |
Region outside Malmö NOx |
||||||||
|
|
|||||||||
|
n |
Mean |
SD |
Median |
n |
Mean |
SD |
Median |
||
|
Heavy traffic |
No |
1507 |
18.0 |
3.1 |
17.4 |
4502 |
10.2 |
3.5 |
9.6 |
|
Yes |
1772 |
19.6 |
3.2 |
19.6 |
1495 |
12.1 |
4.5 |
11.4 |
|
|
Heaviest road within <100 m |
no heavy road |
488 |
17.6 |
3.4 |
17.2 |
3267 |
10.1 |
3.4 |
9.6 |
|
<2 cars/min |
855 |
18.0 |
2.9 |
17.8 |
1380 |
9.8 |
4.3 |
8.1 |
|
|
2–5 cars/min |
746 |
18.9 |
3.3 |
19.4 |
1074 |
12.6 |
3.8 |
11.5 |
|
|
6–10 cars/min |
627 |
18.1 |
2.8 |
17.4 |
259 |
13.8 |
2.3 |
14.03 |
|
|
>10 cars/min |
561 |
21.9 |
2.0 |
22.0 |
17 |
19.2 |
4.4 |
21.6 |
|
|
NOx (μg/m3) |
0–8 |
13 |
6.8 |
1.3 |
6.8 |
1824 |
6.7 |
1.1 |
6.8 |
|
8–11 |
46 |
10.4 |
0.8 |
9.6 |
1792 |
9.9 |
0.8 |
10.0 |
|
|
11–14 |
562 |
13.5 |
0.7 |
13.7 |
1268 |
12.8 |
1.0 |
12.7 |
|
|
14–19 |
1325 |
16.7 |
1.3 |
15.9 |
510 |
15.7 |
1.2 |
15.3 |
|
|
>19 |
1698 |
21.7 |
1.3 |
21.5 |
127 |
21.9 |
3.8 |
21.2 |
|
|
Total |
3644 |
18.4 |
3.6 |
18.5 |
5521 |
10.31 |
3.6 |
10.04 |
|
|
|
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|
Lindgren et al. International Journal of Health Geographics 2009 8:2 doi:10.1186/1476-072X-8-2 |
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