TABLE 1.
Patient demographics and baseline characteristics
|
Characteristic |
Cannabis Use n = 81 |
No Cannabis Use n = 259 |
P
Value |
| Age, y, mean (SD) | 37.7 (15.1) | 39.2 (14.6) | .15 |
| Males, n (%) | 78 (96.3) | 245 (94.6) | .77 |
| Race, n (%) | .03 | ||
| White | 67 (82.7) | 229 (88.4) | |
| African American | 13 (16.0) | 19 (7.3) | |
| Other | 1 (1.2) | 11 (4.2) | |
| Baseline PCL, mean (SD) | 64.0 (9.8) | 61.6 (11.2) | .07 |
| Posttreatment PCL, mean (SD) | 58.3 (13.8) | 55.6 (13.6) | .09 |
| Change in PCL, mean (SD) | 5.7 (14.7) | 6.0 (14.0) | .79 |
| Successes, n (%) | 42 (51.9) | 133 (51.4) | .94 |
| Prescribed antidepressant, n (%) | 62 (76.5) | 192 (74.1) | .66 |
| Prescribed antipsychotic, n (%) | 15 (18.5) | 28 (10.8) | .07 |
| Comorbid SUD, n (%) | 35 (43.2) | 29 (11.2) | <.001 |
| Number psychotherapy sessions, meana (SD) | 7.6 (3.6) | 7.7 (3.7) | .9 |
| Psychotherapy, n (%)b | .001 | ||
| CBT | 35 (43.2) | 82 (31.7) | |
| CBT and MET | 0 | 1 (0.4) | |
| PE | 0 | 16 (6.2) | |
| Supportive psychotherapy | 22 (27.2) | 42 (16.2) | |
| Unspecified EBP | 24 (29.6) | 118 (45.6) |
CBT = cognitive behavioral therapy; EBP = evidence-based psychotherapy; MET = motivational enhancement therapy; PCL = PTSD checklist; PE = prolonged exposure therapy.
a
Mean number of psychotherapy sessions was calculated using all subjects (N = 340).
b
P value from Fisher exact test comparing proportion of cannabis users by psychotherapy group.