Table 3 Means and standard deviations (SD) on the Self-steam and Optimism baseline and follow-up (measurement for four time points)
|  | Base line | Completion of CBGT | 3 month after CBGT | 6 month after CBGT |
|---|---|---|---|---|
CBGT mean TAU mean (SD) (SD) | CBGT mean TAU mean (SD) (SD) Cohen’s d | CBGT mean TAU mean (SD) (SD) Cohen’s d | CBGT mean TAU mean (SD) (SD) Cohen’s d | |
Self-steam | 14.68 (1.30) 14.33 (1.40) P = 0.315 | 16.84 (2.03) 14.67 (1.97) P = 0.001 1.08 | 16.19(2.12) 14.00 (1.43) P = 0.001 1.21 | 15.52(1.74) 13.88(1.08) P = 0.001 1.32 |
Optimism | 9.90 (1.68) 9.91 (1.92) P = 0.990 | 12.85 (1.46) 10.33(1.45) P = 0.001 1.73 | 12.60 (1.84) 10.64 (1.70) P = 0.001 1.10 | 12.30 (1.03) 10.23 (1.50) P = 0.001 1.60 |