Table 1.
Participant characteristics and substance use at intake
| Characteristic | Current Study | Historical Control | p-valuea |
|---|---|---|---|
|
| |||
| M (SD) or % (N) | M (SD) or % (N) | ||
| N | 32 | 54 | |
| Age | 29.0 (11.8) | 34.0 (10.8) | 0.05 |
| Sex (Male) | 78% | 52% | 0.02 |
| Race | 0.01 | ||
| Caucasian | 78% | 50% | |
| Other | 22% | 50% | |
| Age of Initiation (Cannabis) | 15.4 (3.5) | 14.6 (2.9) | 0.21 |
| Past 30 Days | |||
| Cannabis (days of use) | 26.7 (5.0) | 22.2 (8.7) | 0.01 |
| Tobacco (cigarettes per day) | 12.0 (7.3) | 13.0 (8.8) | 0.58 |
Note
a
t-tests and chi square tests were used to assess group differences