Table 3.
Main results, imputed intention-to-treat sample (N=210).
| Results | Pretest, mean (SD) | Posttest ITT, mean (SD) | ANCOVAa | Effect size, d (95% CI) | NNTb | |||
|
|
|
|
F 2,208 | P | Within group | Between group |
|
|
| Intervention |
|
|
|
|
|
|
|
|
|
|
FQ | 42.02 (23.39) | 32.52 (18.48) | 6.33 | .16 | 0.42 (0.31, 0.52) | 0.35 (0.07, 0.62) | 5.10 |
|
|
CES-D | 24.99 (8.58) | 19.40 (5.97) | 6.12 | .26 | 0.75 (0.51, 0.97) | 0.34 (0.07, 0.61) | 5.26 |
|
|
BAI | 45.01 (13.78) | 42.30 (10.68) | 4.10 | .53 | 0.22 (0.03, 0.40) | 0.28 (0.01, 0.55) | 6.41 |
| Wait-list control |
|
|
|
|
|
|
|
|
|
|
FQ | 38.34 (21.97) | 35.56 (18.41) | — | — | 0.13 (0.03, 0.23) | — | — |
|
|
CES-D | 24.75 (8.39) | 21.19 (7.06) | — | — | 0.46 (0.27, 0.65) | — | — |
|
|
BAI | 44.57 (13.16) | 44.52 (10.79) | — | — | 0.00 (-0.14, 0.15) | — | — |
a Controlled for baseline scores.
b Number needed to treat.