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 | 1.1 | 1.0 (0.9-1.2) | 0.310 | 1.2 | 1.0 (0.9-1.2) | 0.639 |
Age group at admission date | ||||||
18 – 27 years | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | ||
28 – 37 years | 1.8 | 1.7 (1.4-1.9) | <0.001 | 3.8 | 2.8 (2.3-3.5) | <0.001 |
38 – 47 years | 2.4 | 2.1 (1.8-2.4) | <0.001 | 7.6 | 4.9 (4.0-6.1) | <0.001 |
48 – 67 years | 3.7 | 3.3 (2.7-3.9) | <0.001 | 13.3 | 7.8 (6.2-9.9) | <0.001 |
Primary drug use at admission | ||||||
Cannabis | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | 1.0 (referent) | ||
Methadone or buprenorphine | 2.4 | 1.8 (1.5-2.2) | <0.001 | 15.2 | 8.3 (6.2-11.1) | <0.001 |
Heroin | 1.5 | 1.3 (1.1-1.6) | 0.001 | 5.1 | 3.6 (2.7-4.8) | <0.001 |
Other opioids | 2.0 | 1.5 (1.1-2.1) | 0.005 | 9.1 | 5.2 (3.6-7.7) | <0.001 |
Benzodiazepines | 2.5 | 2.1 (1.5-2.8) | <0.001 | 9.4 | 6.9 (4.5-10.6) | <0.001 |
Central stimulating drugsc | 0.9 | 0.9 (0.7-1.1) | 0.431 | 1.1 | 1.1 (0.7-1.7) | 0.633 |
Other illicit drugs/unknown | 1.7 | 1.4 (1.2-1.6) | <0.001 | 7.6 | 4.6 (3.5-6.0) | <0.001 |
Psychiatric treatment received in 1 year prior to admissiond | 1.0 | 1.2 (1.0-1.3) | 0.006 | 0.6 | 0.6 (0.5-0.7) | <0.001 |