Table 5.
Mean difference between participants with and without a personality disorder (PD) on the MADRS-S and BDI-II as well as between-group (no PD vs. PD) effect size (Cohens' d), based on observed data, at post-treatment and the 6-, 12- and 24-month follow-ups for the ICBT group.
| Mean difference no PD vs. PD | Between-group effect size | |
|---|---|---|
| MADRS-S | ||
| Pre-treatment | 0.07 | 0.02 |
| Post-treatment | 6.74 | 0.97 |
| 6-month follow-up | 1.77 | 0.28 |
| 12-month follow-up | 10.76 | 1.25 |
| 24-month follow-up | 5.14 | 0.62 |
| BDI-II | ||
| Pre-treatment | −0.80 | −0.11 |
| Post-treatment | 8.06 | 0.90 |
| 6-month follow-up | 1.56 | 0.18 |
| 12-month follow-up | 9.43 | 0.94 |
| 24-month follow-up | 5.93 | 0.54 |