Table 4.
Logistic regression analyses predicting abstention from cannabis use in past 30 days at 6-month follow-up by motivational and control processes during the baseline test-session.
| Abstention in past 30 days (0 = yes; 1 = no) at 6-month follow-up (n = 44) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Model 1 |
Model 2 |
Model 3 |
|||||||
| B | Exp (B) | 95% CI | B | Exp (B) | 95% CI | B | Exp (B) | 95% CI | |
| Constant | −0.04 | – | – | −1.67 | – | – | −1.67 | – | – |
| CUDIT baseline | 0.03 | 1.03 | 0.94–1.13 | 0.04 | 1.04 | 0.94–1.16 | 0.04 | 1.04 | 0.94–1.16 |
| Cannabis attentional bias | 0.06 | 1.06 | 0.93–1.21 | 0.06 | 1.06 | 0.93–1.21 | |||
| Cannabis approach bias | −0.01 | 0.99 | 0.98–1.00 | −0.01 | 0.99 | 0.98–1.00 | |||
| Appetitive approach bias | 0.01 | 1.01 | 1.00–1.02 | 0.01 | 1.01 | 1.00–1.02 | |||
| Cannabis craving | 0.43* | 1.53 | 1.06–2.21 | 0.43* | 1.53 | 1.06–2.21 | |||
| Classical Stroop | −0.00 | 1.00 | 0.93–1.07 | ||||||
| Model chi-square [df] | 0.51 [1] | 9.30† [5] | 9.31 [6] | ||||||
| Block chi-square [df] | 0.51 [1] | 8.79† [4] | 0.00 [1] | ||||||
| % correct predictions | 64.5 | 80.6 | 80.6 | ||||||
| Nagelkerke R2 | 0.02 | 0.36 | 0.36 | ||||||
*
p < 0.05.
†
p < 0.10.