Table 1.
Demographic and Clinical Characteristics of Adolescent Marijuana Users and Control Non-Users
| MJ (n=18) | HC (n=18) | Between Group Sig. | |
|---|---|---|---|
| Male (%) | 17 (94.4) | 12 (66.6) | 0.04 |
| White, Non-Hispanic (%) | 18 (100) | 12 (66.6) | ≤0.01 |
| Mean (SD*) | Mean (SD) | Between Group Sig. | |
| Age | 17.8 (1.0) | 17.3 (0.8) | ns |
| HAM-D1 | 2.1 (3.0)** | 0.8 (1.4) | ns |
| HAM-A2 | 2.0 (2.7)** | 1.3 (1.9) | ns |
| STAI3 | 63.7 (21.1) | 59.9 (14.8) | ns |
| POMS4 | 18.2 (29.8) | 15.4 (23.7) | ns |
| Verbal Fluency | 45.8 (9.6) | 37.5 (8.7) | 0.03 |
| Age of Regular MJ Use (years) | 15.7 (0.9) | - | - |
| Duration of Heavy MJ use (months) | 18.6 (14.4) | - | - |
| MJ Level (ng/mL) | 454.6 (351.7) | - | - |
| Number of Smoking Events per Week | 10.4 (8.0) | - | - |
| Total Lifetime Smoking Events5 | 1346.4 (1371.6) | - | - |
1
Hamilton Rating Scale for Depression
2
Hamilton Rating Scale for Anxiety
3
State-Trait Anxiety Inventory
4
Profile of Mood States
5
Total lifetime smoking events was calculated by averaging the number of smoking events per week multiplied by duration of use.
*
SD = Standard Deviation
**
n = 17