Table 2.
Volunteer demographics–drug history
| Mean | SD | Min | Max | |
|---|---|---|---|---|
| Age (years) | 22.1 | 2.9 | 18.0 | 29.0 |
| Education (years) | 16.5 | 1.6 | 12 | 18 |
| Height (cm) | 174.7 | 12.3 | 147.0 | 189.1 |
| Weight (kg) | 67.5 | 12.4 | 45.7 | 88.4 |
| Opiates | 0.1 | 0.3 | 0 | 1 |
| LSD | 2.5 | 6.6 | 0 | 25 |
| Amphetamines | 37.3 | 81.1 | 0 | 250 |
| Ecstasy | 94.6 | 138.4 | 14 | 431 |
| Cannabis | 1,174.3 | 1,665.5 | 20 | 5,840 |
| Cocaine | 33.7 | 105.7 | 0 | 400 |
| Alcohol | 2,367.9 | 1,981.6 | 50 | 5,200 |
| Solvents | 3.6 | 13.3 | 0 | 50 |
| Barbiturates | 0 | 0 | 0 | 0 |
| Benzodiazepines | 18.6 | 57.3 | 0 | 216 |
| Psilocybin | 6.9 | 10.4 | 0 | 30 |
Drug quantities mentioned are lifetime drug exposures, not further specified.