Means, SD, effect sizes (Cohen’s d) and reliable change for primary and secondary outcomes
| N | Estimated means (SD) | Follow-up | Effect sizes (estimated means) | Reliable change | |||
| Pre | Post | Pre-effect size to follow-up effect size | Pre-RCI to post-RCI (CSI) | PreRCI to follow-up RCI (CSI) | |||
| CES-D | 26 | 24.58 (6.51) | 14.19 (6.73) | 13.28 (6.06) | 1.80 (1.13 to 2.41) | 69 (65) | 70 (70) |
| GHQ-12 | 26 | 5.50 (2.25) | 2.00 (3.11) | 2.05 (2.94) | 1.32 (0.70 to 1.89) | 65 (65) | 75 (75) |
| FERUS | 26 | 134.54 (25.94) | 156.04 (25.22) | 157.52 (25.31) | 0.90 (0.31 to 1.45) | – | – |
| MAAS | 26 | 3.29 (0.78) | 4.05 (1.01) | 4.25 (0.93) | 1.12 (0.52 to 1.68) | – | – |
SDs and 95% CI ranges are shown in parentheses.
CES-D, Center for Epidemiological Studies-Depression scale (cut-off >17); CSI, clinically reliable improvement; FERUS, Questionnaire for the Assessment of Resources and Strengths; GHQ-12, General Health Questionnaire (cut-off >1); MAAS, Mindful Attention Awareness Scale; RCI, Reliable Change Index.