Gender | | | 0.390 |
Male | 33 (66.0) | 11 (55.0) | |
Female | 17 (34.0) | 9 (45.0) | |
Age (y) | 36.5±12.7* | 31.0±5.7 | 0.014 |
BMI (kg/m2) | 22.7±3.9 | 22.3±3.2 | 0.714 |
Education (y) | | | 0.019 |
<6 | 17 (34.0) | 0 (0.0) | |
7–9 | 16 (32.0) | 0 (0.0) | |
10–12 | 14 (28.0) | 2 (10.0) | |
>13 | 3 (6.0) | 18 (90.0) | |
Work duration (mth) | 75.6±73.1* | 48.5±20.4 | 0.108 |
Works with electroplating tank | 19 (38.8) | 0 (0.0) | 0.001 |
Smoking (pack year) | 21 (42.0) | 3 (15.0) | 0.032 |
| 5.67±5.94 | 4.17±2.89 | 0.676 |
Alcohol consumption | | | 0.005 |
Usually | 6 (12.0) | 0 (0.0) | |
Sometimes | 14 (28.0) | 13 (65.0) | |
Seldom/never | 30 (60.0) | 7 (35.0) | |
Common cold | 7 (24.1) | 0 (0.0) | 0.032† |