Table 3.
Logistic Regressions for Marijuana Use versus Nonuse.
| B | S.E. | Wald | OR | 95% CI | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Negative Expectancies | ||||||
| Gender | −.92 | .29 | 9.94* | .40 | .22 | .71 |
| Depression | .05 | .02 | 6.51* | 1.05 | 1.01 | 1.09 |
| Marijuana expectancy | −.02 | .01 | 2.95 | .98 | .96 | 1.00 |
| Social anxiety | −.02 | .01 | 2.89 | .98 | .96 | 1.00 |
| Social anxiety X expectancy | .00 | .00 | 3.35 | 1.00 | 1.00 | 1.00 |
| Cognitive and Behavioral Impairment Expectancies | ||||||
| Gender | −1.19 | .30 | 15.78* | .31 | .17 | .55 |
| Depression | .03 | .02 | 3.03 | 1.03 | 1.00 | 1.08 |
| Marijuana expectancy | .05 | .02 | 8.15* | 1.05 | 1.02 | 1.09 |
| Social anxiety | −.02 | .01 | 2.88 | .98 | .96 | 1.00 |
| Social anxiety X expectancy | .00 | .00 | 4.25* | 1.00 | 1.00 | 1.01 |
| Tension Reduction Expectancies | ||||||
| Gender | −1.22 | .30 | 16.69* | .30 | .17 | .53 |
| Depression | .04 | .02 | 3.87* | 1.04 | 1.00 | 1.08 |
| Marijuana expectancy | .08 | .02 | 23.06* | 1.09 | 1.05 | 1.12 |
| Social anxiety | −.02 | .01 | 3.13 | .98 | .96 | 1.00 |
| Social anxiety X expectancy | .00 | .00 | .72 | 1.00 | 1.00 | 1.00 |
| Perceptual Enhancement Expectancies | ||||||
| Gender | −1.01 | .29 | 12.52* | .36 | .21 | .64 |
| Depression | .04 | .02 | 3.37 | 1.04 | 1.00 | 1.08 |
| Marijuana expectancy | .07 | .02 | 13.55* | 1.07 | 1.03 | 1.11 |
| Social anxiety | −.03 | .01 | 4.35* | .98 | .95 | 1.00 |
| Social anxiety X expectancy | .00 | .00 | .02 | 1.00 | 1.00 | 1.00 |
Note. Marijuana effect expectancies were measured using the Marijuana Effect Expectancy Questionnaire (Aarons et al., 2001), social anxiety with the Social Interaction Anxiety Scale (Mattick & Clarke, 1998).
*
p < .05.