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Frequency of sociodemographic characteristics of 50 gold miner patients with kidney failure.
| Sociodemographic variable | n (%) |
|---|---|
| Age | |
| <20 years | 3 (6) |
| 20–30 years | 28 (56) |
| 30–40 years | 14 (28) |
| ≥40 years | 5 (10) |
| Origin | |
| Rural | 43 (86) |
| Urban | 7 (14) |
| Professional activity | |
| Nothing but gold mining | 29 (58) |
| Other activity∗ | 21 (42) |
∗Agriculture (16 cases), small business (3 cases), and carpentry (2 cases).
