Table 1. Demographic data of participants.
| Min | Max | Mean (SD) | N | ||
| Age | 18 | 26 | 21.60 (2.45) | 20 | |
| Verbal IQ | 100 | 115 | 107.45 (4.41) | 20 | |
| Males | Females | Total Mean (SD) | N | ||
| Gender (N) | 12 | 8 | 20 | ||
| Body Weight (Mean (SD)) | 78.00 (10.33) | 58.62 (6.32) | 70.25 (13.09) | 20 | |
| Drug use (Number of times used in lifetime) | Min | Max | Mean (SD) | N used | N never used |
| Ecstasy/MDMA | 3 | 40 | 10.95 (8.97) | 20 | 0 |
| Amphetamine | 1 | 25 | 12 (12.30) | 4 | 16 |
| Cannabis | 1 | 240 | 67.18 (81.38) | 16* | 4 |
| Cocaine | 3 | 25 | 11 (9.76) | 4 | 16 |
| Mushrooms | 1 | 4 | 2.17 (1.17) | 6 | 14 |
| LSD | 0 | 0 | 0 | 0 | 20 |
| Other: 2CB | 1 | 1 | - | 1 | 19 |
*5 participants answered with: don't know (2X), since recently weekly, monthly, often.