| Primary, n = 157 | Alcohol | 83 (52.9) | 5.533 ± 2.722 |
| Heart disease | 34 (21.7) | 2.266 ± 1.944 |
| Nonalcohol psychoactive substances | 31 (19.7) | 2.067 ± 1.502 |
| Mental and behavioural disorders not related to substance use | 20 (12.7) | 1.333 ± 0.899 |
| Syncope and collapse | 10 (6.4) | 0.667 ± 0.724 |
| Secondary, n = 227 | Alcohol | 71 (31.3) | 4.733 ± 2.219 |
| Immersion | 60 (26.4) | 4.0 ± 2.171 |
| Nonalcohol psychoactive substances | 56 (24.7) | 3.733 ± 2.52 |
| Injury | 50 (22.0) | 3.333 ± 1.759 |
| Heart disease | 41 (18.1) | 2.733 ± 1.751 |
| Water transportation accidents | 41 (18.1) | 2.733 ± 2.219 |
| Age < 75 yr; n = 316 | Alcohol | 148 (46.8) | 9.987 ± 2.503 |
| Nonalcohol psychoactive substances | 81 (25.6) | 5.4 ± 2.667 |
| Immersion | 57 (18.0) | 3.8 ± 1.859 |
| Heart disease | 49 (15.5) | 3.267 ± 2.433 |
| Injury | 41 (13.0) | 2.733 ± 1.486 |
| Age ≥ 75 yr; n = 68 | Heart disease | 26 (38.2) | 1.733 ± 1.534 |
| Falls | 17 (25.0) | 1.133 ± 1.06 |
| Injury | 13 (19.1) | 0.867 ± 0.834 |
| Mental and behavioural disorders not related to substance use | 12 (17.6) | 0.8 ± 0.676 |
| Diseases of the respiratory system | 12 (17.6) | 0.8 ± 0.862 |
| All deaths due to hypothermia, n = 384 | Alcohol | 154 (40.1) | 10.267 ± 2.656 |
| Nonalcohol psychoactive substances | 87 (22.7) | 5.8 ± 2.859 |
| Heart disease | 75 (19.5) | 5.0 ± 2.752 |
| Immersion | 60 (15.6) | 4.0 ± 2.171 |
| Injury | 54 (14.1) | 3.6 ± 1.639 |