Medians (ranges) age, seniority, and alcohol consumption for the four different study groups
| Reference group | Groups exposed to aluminium | |||||
|---|---|---|---|---|---|---|
| Mild steel welders (n=39) | Smelters (n=119) | Flake powder (n=16) | Welders (n=38) | |||
| Age | 39.0 (23–59) | 46.1 (24–63) | 34.7 (22–48) | 38.0 (26–56) | ||
| Seniority | 12 (5–30) | 15 (5–40) | 8 (2–22) | 15 (5–35) | ||
| Alcohol index | 2 (0–5) | 2 (0–6) | 1 (0–5) | 2 (0–5) | ||