Table 3.
Comparison between the general characteristics and abnormal symptoms according to respiratory protector device used
| |
No wear (N = 91) |
Disposable or cotton mask (N = 114) |
Gas mask (N = 11) |
SCBA (N = 132) |
p-value* |
||||
|---|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | ||
|
Age (years) |
|
|
|
|
|
|
|
|
0.000 |
| < 30 |
5 |
13.9 |
8 |
22.2 |
2 |
5.6 |
21 |
58.3 |
|
| 30 ~ 39 |
22 |
20.2 |
33 |
30.3 |
2 |
1.8 |
52 |
47.7 |
|
| 40 ~ 49 |
47 |
33.8 |
46 |
33.1 |
4 |
2.9 |
42 |
30.2 |
|
| ≥ 50 |
17 |
26.6 |
27 |
42.2 |
3 |
4.7 |
17 |
26.6 |
|
|
Gender |
|
|
|
|
|
|
|
|
0.012 |
| Male |
81 |
24.7 |
108 |
32.9 |
10 |
3.0 |
129 |
39.3 |
|
| Female |
10 |
50.0 |
6 |
30.0 |
1 |
5.0 |
3 |
15.0 |
|
|
Smoking |
|
|
|
|
|
|
|
|
0.101 |
| No smoker |
56 |
23.6 |
79 |
33.3 |
5 |
2.1 |
97 |
40.9 |
|
| Current smoker |
35 |
31.5 |
35 |
31.5 |
6 |
5.4 |
35 |
31.5 |
|
|
Job |
|
|
|
|
|
|
|
|
0.000 |
| Firefighter |
51 |
20.8 |
59 |
24.1 |
3 |
1.2 |
132 |
53.9 |
|
| Police officer |
16 |
34.8 |
22 |
47.8 |
8 |
17.4 |
0 |
0.0 |
|
| Volunteer firefighter |
21 |
61.8 |
13 |
38.2 |
0 |
0.0 |
0 |
0.0 |
|
| Special warfare reserved force |
3 |
13.0 |
20 |
87.0 |
0 |
0.0 |
0 |
0.0 |
|
|
Abnormal symptoms | |||||||||
| Throat
†
|
13 |
14.3 |
21 |
18.4 |
3 |
27.3 |
27 |
20.5 |
0.262 |
| Nose
‡
|
10 |
11.0 |
12 |
10.5 |
1 |
9.1 |
18 |
13.6 |
0.468 |
| Eye
§
|
21 |
23.1 |
19 |
16.7 |
2 |
18.2 |
37 |
28.0 |
0.139 |
| Lung
∥
|
34 |
37.4 |
33 |
28.9 |
4 |
36.4 |
36 |
27.3 |
0.208 |
| Skin** |
5 |
5.5 |
19 |
16.7 |
1 |
9.1 |
13 |
9.8 |
0.977 |
| Heart
++
|
0 |
0.0 |
0 |
0.0 |
0 |
0.0 |
0 |
0.0 |
- |
| Nerve
‡‡
|
9 |
9.9 |
8 |
7.0 |
0 |
0.0 |
13 |
9.8 |
0.840 |
| Stomach ‡‡‡ | 0 | 0.0 | 7 | 6.1 | 0 | 0.0 | 3 | 2.3 | 0.941 |
*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.