From: Perceived annoyance and asthmatic symptoms in relation to vehicle exhaust levels outside home: a cross-sectional study
Annoyed by exhaust fumes from road traffic1
Air as daily or almost daily irritating2
Asthmatic symptoms3
N
%
Total
217
8.0
103
3.9
328
12.0
Umea
54
5.5
25
2.7
116
11.8
Gothenburg
109
13.7
50
6.5
105
12.9
Uppsala
5.7
28
3.0
107
11.3