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Characteristics of the studied groups
| Workers exposed occupationally (n = 149) | Control group (n = 52) | |
|---|---|---|
| Mean ± SD and range/or frequency | Mean ± SD and range/or frequency | |
| Age (years) | 47.6 ± 8.7 (26–61) | 42.0 ± 10.2 (28–58) |
| Smoking history | ||
| Never | 72 (48.3 %) | 20 (38.5 %) |
| Former | 20 (13.4 %) | 17 (32.6 %) |
| Current | 57 (38.3 %) | 15 (28.8 %) |
| BMI (kg/m2) | 28.4 ± 3.4 (20.0–42.0) | 26.7 ± 3.4 (18.5–38.9) |
| Period of As exposure (years) | 23.2 ± 10.9 (1–41) | – |
