Table 1.
Characteristics of the control and the exposed group.
| Characteristics | Control Group | Exposed Group | ||
|---|---|---|---|---|
| n | 26 | 54 | ||
| Gender (M/F) (%) | 8/18 | (31/69) | 52/2 | (96/4) |
| Age (years, mean ± SD) (range) | 37.62 ± 3.10 | (19–72) | 36.09 ± 1.60 | (18–71) |
| BMI (kg/m2, mean ± SD) (range) | 26.05 ± 1.06 | (18.51–39.89) | 28.49 ± 0.65 | (17.90–41.91) |
| Exposure time (in years, mean ± SD) (range) | NA | 5.36 ± 0.43 | (1 ≤ 10) | |
| Smoking | ||||
| Smokers, n (%) | 3 | (12) | 17 | (31) |
| Non-smokers, n (%) | 23 | (88) | 37 | (69) |
| Alcohol intake | ||||
| yes, n (%) | 2 | (8) | 30 | (56) |
| no, n (%) | 24 | (92) | 24 | (44) |
| PPM, n (%) | NA | 47 of 54 | (87) | |
n—number of volunteers, M—male, F–female, SD—standard deviation, BMI—body mass index, PPM—personal protective measures (equipment and procedure), NA—not applicable.