Table 1.
Site comparison
| Site 1 (Essen) n = 99 |
Site 2 (Gummersbach) n = 52 |
|||
|---|---|---|---|---|
| Present (%) | Lifetime (%) | Present (%) | Lifetime (%) | |
| Gender | ||||
| male | 78 (78.8) | - | 36 (69.2) | - |
| Age (Mean) | 17.95 (SD = 1.84) | - | 16.75 (SD = 1.61) | - |
| SUDa | ||||
| Alcohol | 36 (36.4) | 44 (44.4) | 13 (25.0) | 14 (26.9)* |
| Cannabis | 80 (80.8) | 86 (86.9) | 38 (73.1) | 42 (80.8) |
| Amphetamine-like substances | 22 (22.2) | 28 (28.3) | 5 (9.6) | 6 (11.5)* |
| Hallucinogensb | 7 (7.1) | 11 (11.1) | 0 (0.0) | 1 (1.9)* |
| Cocaine | 8 (8.1) | 9 (9.1) | 0 (0.0)* | 1 (1.9) |
| Opiates | 10 (10.1) | 10 (10.1) | 1 (1.9) | 1 (1.9) |
| Inhalants | 1 (1.0) | 2 (2.0) | 1 (1.9) | 1 (1.9) |
| Sedative | 2 (2.0) | 4 (4.0) | 0 (0.0) | 2 (3.8) |
| Polysubstance | 0 (0.0) | 1 (1.0) | 13 (25.0)*** | 15 (28.8)*** |
| Mood disorders | 21 (21.2) | 23 (23.2) | 8 (15.4) | 10 (19.2) |
| Anxiety disorders | 17 (17.2) | 21 (21.2) | 17 (32.7)* | 19 (36.5)* |
| Adjustment disorder | 0 (0.0) | 0 (0.0) | 2 (3.8)* | 2 (3.8)* |
| Somatoform disorders | 8 (8.1) | 14 (14.1) | 6 (11.5) | 8 (15.4) |
| ADHDc | 3 (12.0) | 8 (32.0) | 3 (7.5) | 5 (12.5) |
| Conduct disorderc | 12 (48.0) | 19 (76.0) | 15 (37.5) | 20 (50.0)* |
| Axis I disorder(s)d | 36 (36.4) | 41 (41.4) | 25 (48.1) | 28 (53.8) |
Note: a SUD = Substance use disorder: abuse or dependence according to DSM-IV-TR, without nicotine SUD. b including psychotropic mushrooms. c Subgroup, n = 65. d without CD and ADHD. * p < .05, ** p < .01, *** p < .00.