Table 1.
Demographic characteristics of participants in each treatment group
| 0mg (N=16) | 50mg (N=14) | 100mg (N=14) | |
|---|---|---|---|
| Agea | 21.8±0.9 | 21.2±0.7 | 22.6±0.8 |
|
| |||
| Body Mass Indexa (kg/m2) | 22.0±0.6 | 23.6±0.6 | 23.6±0.4 |
|
| |||
| Full time Student (#) | 11 | 12 | 8 |
|
| |||
| Education (%) | |||
| High school | 13 | 7 | 14 |
| Partial college | 56 | 93 | 57 |
| College degree | 31 | 0 | 29 |
|
| |||
| Caffeine consumptiona (cups/week) | 3.9±1.0 | 5.0±1.6 | 6.0±2.2 |
|
| |||
| Alcohol consumptiona (drinks/week) | 4.7±1.0 | 5.3±0.9 | 4.9±1.7 |
|
| |||
| Race (%) | |||
| White | 63 | 79 | 64 |
| Black | 12 | 0 | 14 |
| Asian | 6 | 14 | 8 |
| Other | 19 | 7 | 14 |
|
| |||
| Drug Use (% ever used) | |||
| Cannabis | 69 | 50 | 64 |
| Stimulants | 25 | 0 | 7 |
| Opiates | 31 | 7 | 21 |
| Tranquilizers | 0 | 0 | 0 |
| Hallucinogens | 19 | 7 | 14 |
a
Data is presented as mean±SEM.