Table 3.
Effect of intervention by the group cognitive behavioral therapy.
| Variables | Intervention group, mean change (SEa) | Control group, mean change (SE) |
Mean difference (95% CI) |
P value | Effect size (d) |
|
| Cognitive flexibility | ||||||
| Tendency to perceive difficult situations as controllable | 0.10 (0.08) | −0.19 (0.11) | 0.29 (0.02-0.56) | .03 | 0.29 | |
| Ability to perceive multiple alternative explanations | 0.31 (0.10) | −0.26 (0.11) | 0.57 (0.27-0.86) | <.01 | 0.52 | |
| Ability to generate multiple alternative solutions | 0.14 (0.12) | −0.15 (0.12) | 0.29 (−0.03 to 0.60) | .08 | 0.24 | |
| Subjective psychological distress | −0.79 (0.24) | −0.13 (0.21) | 0.66 (0.04-1.28) | .04 | 0.28 | |
aSE: standard error.