Legal (n = 89) | Illegal (n = 30) | No (n = 108) | All (n = 227) | P | |
---|---|---|---|---|---|
Patient report | |||||
Use of alcohol last week2 (%) | 29 (33) | 15 (50) | 49 (45) | 93 (41) | Ns |
Use of illegal opiates last week3 (%) | 3 (3) | 7 (23) | 0 (0) | 10 (4) | <0.001 |
Use of cannabis last week2 (%) | 2 (2) | 9 (30) | 8 (7) | 19 (8) | <0.001 |
Use of illegal stimulants last week3 (%) | 1 (1) | 5 (17) | 4 (4) | 10 (4) | 0.004 |
Doctor's assessment | |||||
Patient regarded clinically affected by a substance3 (%) | 17 (19) | 11 (37) | 7 (6) | 35 (15) | <0.001 |
Urine samples2 | n = 75 | n = 30 | n = 91 | n = 196 | Ns |
Ethanol in urine3 (%) | 4 (4) | 2 (7) | 5 (5) | 11 (5) | Ns |
Illegal opiates in urine3 (%) | 3 (3) | 5 (17) | 2 (2) | 10 (4) | 0.015 |
Cannabis in urine2 (%) | 6 (7) | 7 (23) | 7 (6) | 20 (9) | 0.036 |
Illegal stimulants in urine3 (%) | 0 (0) | 5 (17) | 4 (4) | 9 (4) | 0.001 |
Two or more benzo diazepines in urine sample2 (%) | 9 (10) | 10 (33) | - | 19 (8) | <0.001 |