Prescription of benzodiazepines 1 year after admission in moderate-high doses <584 DDDa | Prescription of benzodiazepines 1 year after admission in very high doses ≥584 DDDa | |||||
---|---|---|---|---|---|---|
Unadjusted RRR | Adjustedb RRR (95 % CI) | p value | Unadjusted RRR | Adjustedb RRR (95 % CI) | p value | |
Female | 1.2 | 1.2 (1.1-1.3) | <0.001 | 0.8 | 0.8 (0.5-1.2) | 0.818 |
Age group at admission date | ||||||
18 – 27 years | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | ||
28 – 37 years | 1.7 | 1.4 (1.2-1.5) | <0.001 | 4.1 | 1.9 (1.3-2.9) | 0.003 |
38 – 47 years | 1.9 | 1.3 (1.2-1.5) | <0.001 | 3.8 | 1.2 (0.7-2.0) | 0.488 |
48 – 67 years | 1.9 | 1.3 (1.1-1.5) | 0.006 | 4.0 | 1.1 (0.6-2.2) | 0.710 |
Primary drug use at admission | ||||||
Cannabis | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | ||
Methadone or buprenorphine | 4.2 | 3.8 (3.2-4.4) | <0.001 | 52.9 | 45.7 (20.9-99.9) | <0.001 |
Heroin | 2.7 | 2.5 (2.2-2.9) | <0.001 | 20.3 | 17.1 (8.0-36.5) | <0.001 |
Other opioids | 2.8 | 2.4 (1.7-3.3) | <0.001 | 22.5 | 20.3 (6.5-63.7) | <0.001 |
Benzodiazepines | 4.2 | 3.8 (2.7-5.4) | <0.001 | 14.2 | 15.1 (3.2-71.7) | 0.001 |
Central stimulating drugsc | 1.1 | 1.0 (0.9-1.2) | 0.572 | 1.9 | 1.9 (0.7-5.6) | 0.224 |
Other illicit drugs/unknown | 1.5 | 1.4 (1.3-1.7) | <0.001 | 5.3 | 5.2 (2.3-11.4) | <0.001 |
Psychiatric treatment received in 1 year prior to admissiond | 1.4 | 1.5 (1.4-1.7) | <0.001 | 0.5 | 0.7 (0.4-1.3) | 0.320 |