Table 2. Correlation between therapeutic alliance ratings (via the working alliance inventory- short revised) and depression outcomes (GRID-HAMD).
| WAI | GRIDHAMD (4-weeks post-session 2) | GRIDHAMD (3-month follow-up) | GRIDHAMD (6-month follow-up) | GRIDHAMD (12-month follow-up) | |
|---|---|---|---|---|---|
| Bond | Final Preparatory Session (N = 20) | -.454* | -.062 | -.228 | -.355 |
| 1-week post-psilocybin session 1 | -.502* | -.375 | -.470* | -.524** | |
| 1-week post-psilocybin session 2 | -.674*** | -.571** | -.680*** | -.718*** | |
| Goal | Final Prep | -.491* | -.229 | -.362 | -.489* |
| 1-week post-session 1 | -.539** | -.274 | -.541** | -.417* | |
| 1-week post-session 2 | -.688*** | -.290 | -.594** | -.386 | |
| Task | Final Prep | -.673** | -.353 | -.540* | -.480* |
| 1-week post-session 1 | -.783*** | -.448* | -.745*** | -.502* | |
| 1-week post-session 2 | -.853*** | -.551** | -.768*** | -.589** | |
| Total | Final Prep | -.651** | -.282 | -.471* | -.542* |
| 1-week post-session 1 | -.734*** | -.420* | -.710*** | -.541** | |
| 1-week post-session 2 | -.851*** | -.518** | -.774** | -.614** |
*p < .05,
**p < .01,
***p < .001.
r = .1 (small), r = .3 (medium), r = .5 (large).