Table 2.
Between-group differences based on intention-to-treat analysis (N=45).
| Outcome | Pretreatment, mean (SD) | Final assessment, mean (SD) | Differencea | P value | ||
|
|
Intervention | Control | Intervention | Control |
|
|
| BDI-IIb,c | 30.14 (8.397) | 27.00 (7.909) | 13.6 (9.73) | 19.78 (16.642) | –8.54 | .01 |
| BAId,e | 29.14 (8.532) | 21.74 (9.401) | 15.45 (9.145) | 21.67 (15.248) | –11.29 | .001 |
| QIDSe,f | 15.50 (4.307) | 14.57 (3.703) | 8.95 (4.925) | 12.89 (6.03) | –4.94 | .001 |
| HDRSe,g | 26.27 (6.964) | 26.17 (6.436) | 14.75 (8.735) | 22.67 (13.134) | –5.52 | .09 |
| BPIe,h | 1.89 (2.465) | 1.553 (2.258) | 1.11 (1.753) | 2.17 (2.246) | –1.99 | .03 |
| FFMQi–Nonjudginge | 11.23 (4.035) | 13.17 (3.525) | 14.95 (5.042) | 13.56 (5.199) | 2.68 | .049 |
| FFMQ–Describinge | 15.27 (5.248) | 14.22 (3.942) | 18.45 (4.032) | 16.11 (4.314) | 0.62 | .61 |
| FFMQ–Observinge | 14.55 (3.306) | 13.26 (3.454) | 15.15 (3.829) | 14.22 (4.738) | –1.22 | .16 |
| FFMQ–Awarenesse | 12.33 (3.816) | 14.13 (3.238) | 16.2 (4.396) | 15.56 (4.667) | 2.16 | .11 |
aDifference of rate of change: a negative value indicates greater reduction in the intervention group.
bBDI-II: Beck Depression Inventory-2.
cPlanned analysis of primary outcome.
dBAI: Beck Anxiety Inventory.
eBonferroni correction was not applied for secondary outcomes.
fQIDS: Quick Inventory of Depressive Symptomatology.
gHDRS: Hamilton Depression Rating Scale.
hBPI: Brief Pain Inventory.
iFFMQ: 5-Facet Mindfulness Questionnaire.