Table 2.
Descriptive and statistical overview of patients’ symptom-related dimensions, separated by group (intervention versus control condition) and time (baseline versus follow-up)
| Time points
|
|||||||
|---|---|---|---|---|---|---|---|
| Baseline
|
Follow-up
|
Time
|
Statistics
|
||||
| Group
|
Group
|
Group
|
Time × group intervention
|
||||
| Intervention group | Control group | Intervention group | Control group | F (η2) | F (η2) | F (η2) | |
| Symptoms of depression | 66.43 (5.26) | 64.64 (5.58) | 38.93 (2.92) | 43.64 (4.29) | 336.69*** (0.93) [L] | 1.63 (0.059) [S] | 6.05* (0.189) [L] |
| Symptoms of anxiety | 46.29 (6.39) | 46.86 (6.81) | 42.14 (4.85) | 46.21 (5.79) | 20.59*** (0.446) [L] | 1.01 (0.041) [S] | 11.21** (0.301) [L] |
| Symptoms of PTSD | |||||||
| Total score | 66.36 (4.81) | 64.00 (5.11) | 55.57 (4.77) | 63.50 (5.68) | 27.80*** (0.517) [L] | 3.00 (0.102) [M] | 23.09*** (0.470) [L] |
| Avoidance | 22.50 (3.92) | 22.14 (4.09) | 18.79 (2.75) | 21.43 (2.90) | 8.31* (0.242) [L] | 1.16 (0.043) [S] | 3.81 (0.128) [M] |
| Intrusion | 21.71 (3.69) | 20.43 (3.34) | 18.43 (2.71) | 20.64 (2.56) | 7.21* (0.251) [L] | 0.025 (0.001) [S] | 9.24** (0.262) [L] |
| Hyperarousal | 22.21 (1.63) | 22.07 (1.14) | 18.38 (2.65) | 21.43 (2.17) | 22.08*** (0.459) [L] | 6.48* (0.199) [L] | 11.26** (0.302) [L] |
Notes: Degrees of freedom: always (1, 38)
*
P<0.05
**
P<0.01
***
P<0.001. Effect sizes (η2): [S] = small effect; [M] = medium effect; [L] = large effect.
Abbreviation: PTSD, post-traumatic stress disorder.