Table 3.
Means, standard deviations (SD), effect sizes, and statistical significance for intervention outcomes based on per-protocol sample (nonimputed data).
Outcome | Mean (SD) | Effect Sizea | Statistical Significanceb | ||||||
Baseline (T0) | Post-assessment (T1) | Difference (T0−T1) | Cohen d (95% CI) | F value | P value | ||||
PHQ-9 | |||||||||
Intervention | 11.53 (4.35) | 6.50 (3.85) | −5.03 (3.29) | 0.61 (0.15-1.07) | 8.98 | .04 | |||
Control | 10.56 (4.53) | 7.95 (4.62) | −2.61 (4.61) | ||||||
BDI-II | |||||||||
Intervention | 20.07 (7.99) | 14.86 (8.05) | −5.21 (7.59) | 0.25 (−0.18 to 0.65) |
0.81 | .37 | |||
Control | 18.78 (9.84) | 15.32 (10.34) | −3.46 (6.32) | ||||||
MANSA | |||||||||
Intervention | 3.27 (0.72) | 3.52 (0.86) | 0.25 (0.64) | 0.18 (−0.22 to 0.58) |
0.34 | .56 | |||
Control | 3.30 (0.85) | 3.42 (0.83) | 0.12 (0.79) |
aBetween-group effect size from mean differences.
bBased on ANCOVA controlling for baseline scores (T0).