Table 3.
Comparisons of cannabis use motives and outcomes as a function of diagnosis of Posttraumatic Stress Disorder (PTSD) and major depressive disorder (MDD).
| No PTSD | PTSD | No MDD | MDD | |||||
|---|---|---|---|---|---|---|---|---|
| M (SD) | M (SD) | t-test | d | M (SD) | M (SD) | t-test | d | |
| Coping Motives | 1.51 (0.93) | 2.25 (1.19) | 4.55*** | .69 | 1.50 (0.90) | 2.25 (1.28) | 4.84*** | .68 |
| Sleep Motives | 1.80 (1.19) | 2.87 (1.49) | 5.15*** | .79 | 1.82 (1.23) | 2.65 (1.40) | 4.15*** | .63 |
| Situational Anxiety Motives | 1.54 (0.88) | 2.24 (1.22) | 4.41*** | .66 | 1.54 (0.88) | 2.17 (1.23) | 4.16*** | .59 |
| Cannabis-related Problems | .98 (2.63) | 1.98 (3.56) | 2.14* | .32 | .81 (2.36) | 2.76 (4.14) | 4.49*** | .58 |
| % | % | χ 2 | OR | % | % | χ 2 | OR | |
|---|---|---|---|---|---|---|---|---|
| Cannabis Use | 28.9*** | 22.47*** | ||||||
| Lifetime Users a | 64.1 | 36.6 | 64.2 | 39.1 | ||||
| Past Year Users | 20.8 | 12.2 | 1.02 | 20.5 | 15.2 | 1.22 | ||
| Frequent Users | 15.1 | 51.2 | 5.96 | 15.4 | 45.7 | 4.88 | ||
| Cannabis Use Disorder | 11.9 | 39.0 | 19.74*** | 4.73 | 11.8 | 37.0 | 18.77*** | 4.40 |
Notes. d = Cohen's d
a
reference group
OR = odds ratio; Results are based on t-tests and chi-square tests.
*
p <.05
** p < .01
***
p <.001