Table 2 Comparison between the general characteristics and abnormal symptoms according to working duration at the accident area
Less than 1 hours (N = 28) | 1-10 hours (N = 272) | More than 10 hours (N = 48) | p-value* | ||||
|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | ||
Age (years) | 0.972 | ||||||
< 30 | 1 | 2.8 | 30 | 83.3 | 5 | 13.9 | |
30 ~ 39 | 13 | 11.9 | 77 | 70.6 | 19 | 17.4 | |
40 ~ 49 | 11 | 7.9 | 114 | 82.0 | 14 | 10.1 | |
≥ 50 | 3 | 4.7 | 51 | 79.7 | 10 | 15.6 | |
Gender | 0.569 | ||||||
Male | 26 | 7.9 | 256 | 78.0 | 46 | 14.0 | |
Female | 2 | 10.0 | 16 | 80.0 | 2 | 10.0 | |
Smoking | 0.403 | ||||||
No smoker | 17 | 7.2 | 186 | 78.5 | 34 | 14.3 | |
Current smoker | 11 | 9.9 | 86 | 77.5 | 14 | 12.6 | |
Job | 0.001 | ||||||
Firefighter | 16 | 6.5 | 184 | 75.1 | 45 | 18.4 | |
Police officer | 7 | 15.2 | 36 | 78.3 | 3 | 6.5 | |
Volunteer firefighter | 4 | 11.8 | 30 | 88.2 | 0 | 0.0 | |
Special warfare reserved force | 1 | 4.3 | 22 | 95.7 | 0 | 0.0 | |
Abnormal symptoms | |||||||
Throat† | 8 | 28.6 | 45 | 16.5 | 22 | 22.9 | 0.840 |
Nose‡ | 3 | 10.7 | 30 | 11.0 | 8 | 16.7 | 0.344 |
Eye§ | 5 | 17.9 | 63 | 23.2 | 11 | 22.9 | 0.688 |
Lung∥ | 3 | 10.7 | 86 | 31.6 | 18 | 37.5 | 0.027 |
Skin** | 2 | 7.1 | 32 | 11.8 | 4 | 8.3 | 0.946 |
Heart++ | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | - |
Nerve‡‡ | 1 | 3.6 | 22 | 8.1 | 7 | 14.6 | 0.079 |
Stomach‡‡‡ | 0 | 0.0 | 6 | 2.2 | 4 | 13.8 | 0.018 |