Table 3.
Nitrogen dioxide (NO2) exposure levels predicted in 1995/96 and 2007 according to population characteristics
| NO2 | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Variable |
N |
mean |
sd |
Q25 |
Q50 |
Q75 |
min |
max |
|
1995/96 | ||||||||
| All |
684,204 |
45.7 |
5.9 |
42.6 |
46.6 |
49.8 |
18.8 |
59.3 |
| Gender | ||||||||
| Men |
306,018 |
45.4 |
6.0 |
42.2 |
46.4 |
49.7 |
18.8 |
59.3 |
| Women |
378,186 |
45.8 |
5.9 |
42.8 |
46.8 |
49.9 |
18.8 |
59.3 |
| Age (years) | ||||||||
| 45-64 |
418,241 |
45.3 |
6.1 |
42.0 |
46.2 |
49.6 |
18.8 |
59.3 |
| 65-74 |
186,614 |
46.0 |
5.8 |
43.2 |
47.0 |
50.0 |
18.8 |
59.3 |
| 75-80 |
79,349 |
46.8 |
5.4 |
44.2 |
47.7 |
50.4 |
18.8 |
59.1 |
| Socioeconomic position (SEP) | ||||||||
| High |
138,457 |
47.2 |
4.2 |
44.5 |
47.6 |
50.1 |
24.3 |
58.0 |
| medium-high |
142,446 |
47.1 |
5.2 |
44.5 |
47.9 |
50.8 |
22.0 |
59.1 |
| Medium |
139,072 |
46.5 |
5.7 |
43.3 |
47.4 |
50.4 |
20.1 |
59.3 |
| medium-low |
137,017 |
44.3 |
6.7 |
39.9 |
45.6 |
49.1 |
18.8 |
58.8 |
| Low |
127,212 |
42.9 |
6.4 |
39.3 |
43.8 |
47.6 |
18.8 |
58.8 |
|
2007 | ||||||||
| All |
684,013 |
43.9 |
8.3 |
39.0 |
44.8 |
49.4 |
13.0 |
75.2 |
| Gender | ||||||||
| Men |
306,018 |
43.6 |
8.4 |
38.6 |
44.5 |
49.1 |
13.0 |
73.1 |
| Women |
378,186 |
44.1 |
8.3 |
39.4 |
45.0 |
49.6 |
13.0 |
75.2 |
| Age (years) | ||||||||
| 45-64 |
418,241 |
43.4 |
8.4 |
38.2 |
44.2 |
49.0 |
13.0 |
75.2 |
| 65-74 |
186,614 |
44.4 |
8.2 |
39.9 |
45.3 |
49.7 |
13.0 |
73.1 |
| 75-80 |
79,349 |
45.5 |
7.9 |
41.7 |
46.1 |
50.5 |
13.1 |
69.4 |
| Socioeconomic position (SEP) | ||||||||
| High |
138,457 |
46.0 |
6.3 |
42.2 |
46.0 |
49.6 |
19.8 |
68.6 |
| medium-high |
142,446 |
45.8 |
7.8 |
41.9 |
46.2 |
50.9 |
18.2 |
75.2 |
| Medium |
139,072 |
44.9 |
8.5 |
40.1 |
45.7 |
50.8 |
14.6 |
73.1 |
| medium-low |
137,017 |
42.1 |
9.2 |
34.9 |
43.0 |
48.0 |
13.0 |
67.5 |
| Low | 127,212 | 40.4 | 8.2 | 35.3 | 41.2 | 46.3 | 13.0 | 65.1 |