Table 1. Certification levels of victims (n = 126) .
| Certification level | n (%) |
| None | 8 (6) |
| Under training | 12 (10) |
| Open water (OW) | 39 (31) |
| OW + other courses | 14 (11) |
| Technical | 10 (8) |
| Instructor | 7 (6) |
| Not reported | 36 (29) |
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