Table 3.
Pre-post effect sizes (d) and t-test findings for per-protocol sample using multiple imputation for missing post-intervention data (n = 23). Means and standard deviations are for original (unimputed) data (n = 21).
| Variable (N) | Pre-treatment M (SD) | Post-treatment M (SD) | Pre-Post d (95% CI) | t (p) |
|---|---|---|---|---|
| PHQ-9 | 13.30 | 6.75 | 1.12 | 4.24 |
| (4.90) | (5.41) | (0.50–1.73) | (<0.001) | |
| GAD-7 | 13.20 | 6.75 | 1.18 | 4.46 |
| (2.33) | (5.20) | (0.56–1.81) | (<0.001) | |
| SWEMWBS | 18.04 | 20.62 | 0.58 | −2.79 |
| (2.13) | (3.74) | (0.14–1.03) | (0.005) | |
| RRS brooding | 14.05 | 12.37 | 0.48 | 1.85 |
| (2.66) | (2.81) | (−0.05–1.01) | (0.065) | |
| SCS-SF | 28.35 | 33.75 | 0.48 | −2.42 |
| (8.86) | (9.26) | (0.07–0.90) | (0.016) | |
| PSWQ | 67.89 | 59.26 | 0.65 | 3.32 |
| (6.60) | (10.35) | (0.22–1.08) | (0.001) | |
| FFMQ-O | 34.81 | 40.00 | 0.63 | −2.67 |
| (5.80) | (6.95) | (0.13–1.13) | (0.008) |