Table 6. Frequencies and return periods by accident type
| Accident type | Per ship | Per individual |
| Accident frequency (per ship year) | Injury frequency (per ship year) | Fatality frequency (per ship year) | Individual accident frequency (per year) | Individual injury frequency (per year) | Individual fatality frequency (per year) |
| ST | 5.06 × 10–2 | 5.05 × 10–2 | 8.74 × 10–5 | 1.59 × 10–2 | 1.58 × 10–2 | 2.74 × 10–5 |
| CM | 3.38 × 10–2 | 3.33 × 10–2 | 5.68 × 10–4 | 1.06 × 10–2 | 1.04 × 10–2 | 1.78 × 10–4 |
| SO | 3.24 × 10–2 | 3.20 × 10–2 | 6.56 × 10–4 | 1.02 × 10–2 | 1.00 × 10–2 | 2.06 × 10–4 |
| BP | 8.48 × 10–3 | 8.44 × 10–3 | 4.37 × 10–5 | 2.66 × 10–3 | 2.64 × 10–3 | 1.37 × 10–5 |
| FH | 6.99 × 10–3 | 6.60 × 10–3 | 5.25 × 10–4 | 2.19 × 10–3 | 2.07 × 10–3 | 1.64 × 10–4 |
| HT | 7.17 × 10–3 | 7.17 × 10–3 | 0 | 2.25 × 10–3 | 2.25 × 10–3 | 0 |
| AP | 6.78 × 10–3 | 6.78 × 10–3 | 0 | 2.12 × 10–3 | 2.12 × 10–3 | 0 |
| AT | 1.36 × 10–3 | 1.36 × 10–3 | 0 | 4.25 × 10–4 | 4.25 × 10–4 | 0 |
| DS | 9.05 × 10–3 | 7.83 × 10–3 | 1.27 × 10–3 | 2.84 × 10–3 | 2.45 × 10–3 | 3.97 × 10–4 |
| OT | 1.36 × 10–2 | 1.19 × 10–2 | 3.80 × 10–3 | 4.26 × 10–3 | 3.73 × 10–3 | 1.19 × 10–3 |
| Total | 1.70 × 10–1 | 1.66 × 10–1 | 6.95 × 10–3 | 5.34 × 10–2 | 5.20 × 10–2 | 2.18 × 10–3 |
ST, slip and trips; CM, contact with machinery; SO, struck by object; BP, bumping; FH, falls from height; HN, hazardous/noxious substance; AP, awkward posture; AT, abnormal temperature; DS, disease; OT, other.