Table 1.
Controls (n = 34) | Marijuana users (n = 36) | p values | |
---|---|---|---|
Demographics | |||
Gender (% male) | 39% | 64% | 0.10 |
Age | 21.6 (2.1) | 20.8 (2.2) | 0.11 |
Education (years) | 15.4 (1.9) | 14.2 (1.7) | 0.01* |
WTAR | 119.7 (5.2) | 118.4 (9.1) | 0.50 |
Impulsivity (BIS) | |||
Attentional | 15.6 (4.0) | 16.7 (3.7) | 0.26 |
Motor | 20.3 (3.5) | 22.3 (3.6) | 0.02* |
Nonplanning | 20.6 (4.0) | 23.4 (4.1) | 0.01* |
Substance Use | |||
Alcohol Use (Drinks/week) | 2.3 (1.9) | 2.9 (2.4) | 0.34 |
Marijuana Use (Joints/week) | N/A | 5.5 (4.8) | N/A |
Days since last marijuana use | N/A | 3.1 (3.9) | N/A |
Age of Onset of marijuana use (years) | N/A | 16.6 (1.6) | N/A |
Number with marijuana abuse/dependence | N/A | 14 (39%) | N/A |
Significant difference between groups. BIS scores reported are raw scores.