| Variables | MBCT (n = 31) | WLC (n = 33) |
|---|
| | M | SD | M | SD | F(1,53) | ES |
|---|
| RRQ |
| Pre-intervention | 3.8 | 0.7 | 3.9 | 0.5 | | |
| Post-intervention | 3.5 | 0.7 | 3.7 | 0.4 | 4.595* | 0.40 |
| DERS |
| Pre-intervention | 102.1 | 19.1 | 104.4 | 23.8 | | |
| Post-intervention | 96.2 | 24.3 | 105.3 | 24.6 | 2.259 | – |
| STAI-trait |
| Pre-intervention | 51.7 | 10 | 50.2 | 8.0 | | |
| Post-intervention | 47.2 | 10.1 | 48.7 | 10 | 1.135 | – |
| SCS |
| Pre-intervention | 15.8 | 3.5 | 15.1 | 3.8 | | |
| Post-intervention | 18.3 | 4.7 | 14.5 | 3.8 | 15.823*** | 0.89 |
| FFMQ |
| Pre-intervention | 14.9 | 1.9 | 14.5 | 2.0 | | |
| Post-intervention | 15.5 | 2.5 | 14.5 | 2.1 | 2.526 | – |
| BDI-II |
| Pre-intervention | 13.2 | 8.5 | 12.4 | 7.8 | | |
| Post-intervention | 10.4 | 9.1 | 13.9 | 8.9 | 5.120* | 0.39 |
| BAI |
| Pre-intervention | 14.2 | 6.8 | 12.4 | 8.7 | | |
| Post-intervention | 13.1 | 8.2 | 13.4 | 10.2 | 1.455 | – |
- Abbreviations: MBCT Mindfulness Based Cognitive Therapy, WLC Waiting-list Control, M mean, SD standard deviation, ES effect size (Cohen’s d), RRQ Rumination-Reflection Questionnaire, DERS Difficulties in Emotion Regulation Scale (total score), STAI-trait trait–anxiety scale of the State-Trait Anxiety Inventory, SCS Self-compassion Scale (total score), FFMQ Five Facet Mindfulness Questionnaire (total score), BDI-II Beck Depression Inventory, BAI Beck Anxiety Inventory. ∗p < 0.05; ∗∗p < 0.01; ∗∗∗p < 0.001
