Crude | Adjusted | |||||||
---|---|---|---|---|---|---|---|---|
n | Events | Hazard ratio | 95 % CI | p | Hazard ratio | 95 % CI | p | |
Age | ||||||||
16–22 yearsa | 788 | 58 | ||||||
23–27 years | 535 | 65 | 1.7 | 1.2–2.4 | 0.004 | 1.1 | 0.78–1.6 | 0.525 |
Sex | ||||||||
Femalesa | 604 | 45 | ||||||
Males | 719 | 78 | 1.5 | 1.0–2.2 | 0.033 | 1.1 | 0.77–1.6 | 0.553 |
Main toxic agent | ||||||||
Ethanola | 823 | 30 | ||||||
Opioids | 215 | 59 | 9.3 | 6.0–14.4 | <0.001 | 8.9 | 5.6–14.1 | <0.001 |
Benzodiazepines | 108 | 16 | 4.7 | 2.5–8.6 | <0.001 | 4.8 | 2.5–8.9 | <0.001 |
Central stimulants | 62 | 6 | 2.8 | 1.2–6.7 | 0.022 | 2.6 | 1.1–6.4 | 0.032 |
GHB | 70 | 9 | 3.6 | 1.7–7.7 | 0.001 | 3.7 | 1.7–8.3 | 0.001 |
Other | 45 | 3 | 1.9 | 0.58–6.2 | 0.288 | 1.8 | 0.56–6.1 | 0.316 |
Outcome | ||||||||
Not hospitaliseda | 1150 | 100 | ||||||
Hospitalised | 173 | 23 | 1.6 | 1.0–2.5 | 0.050 | 0.91 | 0.56–1.5 | 0.706 |