Table 3.
Means, SDs, effect sizes (Cohen d), and reliable change for primary and secondary outcomes (N=27).
| Questionnaire | Estimated mean (SD) | Effect sizes (estimated mean [95% CI]), pre to post effect size | Reliable change | |||
| Pre | Post | Follow-up | Pre to post RCIa | Pre to follow-up RCI | ||
| CES-Db | 22.44 (5.18) | 13.56 (6.48) | 12.19 (7.94) | 1.51 (0.89 to 2.09) | 74 | 78 |
| GHQ-12c | 16.07 (5.41) | 9.63 (4.39) | 11.94 (7.12) | 1.31 (0.70 to 1.87) | 63 | 52 |
| AAQ-IId | 26.15 (8.87) | 20.71 (8.85) | 18.63 (9.71) | 0.59 (0.02 to 1.14) | —e | — |
| AnTif | 44.33 (10.22) | 36.46 (10.45) | 36.25 (11.59) | 0.72 (0.14 to 1.27) | — | — |
| PSWQ-3g | 7.63 (2.50) | 6.67 (2.76) | 6.50 (2.97) | 0.37 (−0.19 to 0.91) | — | — |
aRCI: reliable change index.
bCES-D: Center for Epidemiological Studies-Depression scale.
cGHQ-12: general health questionnaire (12-item version).
dAAQ-II: Acceptance and Actions Questionnaire.
eNot applicable.
fAnTi: Anxious Thoughts Inventory.
gPSWQ-3: Penn State Worry Questionnaire (ultra-short version).