| |
Less than 100 m (N = 140)
|
100 m-1 Km (N = 173)
|
More than 1 Km (N = 35)
|
p-value*
|
|---|
| |
N
|
%
|
N
|
%
|
N
|
%
| |
|---|
|
Age (years)
| | | | | | |
0.000
|
|
< 30
|
21
|
58.3
|
14
|
38.9
|
1
|
2.8
| |
|
30 ~ 39
|
56
|
51.4
|
44
|
40.4
|
9
|
8.3
| |
|
40 ~ 49
|
45
|
32.4
|
79
|
56.8
|
15
|
10.8
| |
|
≥ 50
|
18
|
28.1
|
36
|
56.3
|
10
|
15.6
| |
|
Gender
| | | | | | |
0.031
|
|
Male
|
138
|
42.1
|
157
|
47.9
|
33
|
10.1
| |
|
Female
|
2
|
10.0
|
16
|
9.2
|
2
|
5.7
| |
|
Smoking
| | | | | | |
0.532
|
|
No smoker
|
100
|
42.2
|
112
|
47.3
|
25
|
10.5
| |
|
Current smoker
|
40
|
36.0
|
61
|
55.0
|
10
|
9.0
| |
|
Job
| | | | | | |
0.000
|
|
Firefighter
|
116
|
47.3
|
102
|
41.6
|
27
|
11.0
| |
|
Police officer
|
20
|
43.5
|
26
|
56.5
|
0
|
0.0
| |
|
Volunteer firefighter
|
4
|
11.8
|
23
|
67.6
|
7
|
20.6
| |
|
Special warfare reserved force
|
0
|
0.0
|
22
|
95.7
|
1
|
2.9
| |
|
Abnormal symptoms
| | | | | | | |
|
Throat†
|
24
|
17.1
|
36
|
20.8
|
4
|
11.4
|
0.082
|
|
Nose‡
|
18
|
12.9
|
17
|
9.8
|
6
|
17.1
|
0.924
|
|
Eye§
|
42
|
30.0
|
30
|
17.3
|
7
|
20.0
|
0.026
|
|
Lung∥
|
49
|
35.0
|
50
|
28.9
|
8
|
22.9
|
0.115
|
|
Skin**
|
15
|
10.7
|
20
|
11.6
|
3
|
8.6
|
0.886
|
|
Heart++
|
0
|
0.0
|
0
|
0.0
|
0
|
0.0
|
-
|
|
Nerve‡‡
|
15
|
10.7
|
14
|
8.1
|
1
|
2.9
|
0.141
|
|
Stomach‡‡‡
|
4
|
2.9
|
5
|
2.9
|
1
|
2.9
|
0.993
|
- *Chi-square test for trend.
-
†Throat pain, change of voice, dry mouth.
-
‡Rhinorrhea, nasal obstruction, nasal pain, nasal bleeding.
-
§Ocular pain, red eye, blurred vision, lacrimination.
-
∥Cough, sputum, chest discomfort, dyspnea.
- **Skin pruritus, skin rash, skin pain.
-
++Palpitation, left chest pain.
-
‡‡Fatigue, Headache, dizziness, arm/leg claudication, muscle weakness, inattention, muscle pain.
-
‡‡‡Vomiting, dyspepsia, nausea, diarrhea, abdominal pain.