Table 2 Treatment interventions, symptoms levels, and symptoms reduction in three groups of Iranian and Afghan patients

Intervention

Chi2(66;4) = 15.106**

 3-in-3

2 (12.5%)

23 (60.5%)

2 (16.7%)

 3-in-2

9 (56.3%)

8 (21.1%)

5 (41.7%)

 2-in-2

5 (31.3%)

7 (18.4%)

5 (41.7%)

Symptom level at baseline

 Anxiety, mean (sd)

3.26 (0.57)

3.22 (0.42)

3.46 (0.43)

F(63;2) = 1.246

 Depression, mean (sd)

3.38 (0.36)

3.22 (0.51)

3.42 (0.40)

F(63;2) = 1.198

 PTSD, mean (sd)

3.36 (0.28)

3.24 (0.43)

3.50 (0.46)

F(63;2) = 2.010

Symptom level post-treatment

 Anxiety, mean (sd)

2.41 (0.46)

2.69 (0.51)

3.08 (0.67)

F(63;2) = 5.493**

 Depression, mean (sd)

2.39 (0.48)

2.76 (0.47)

2.81 (0.66)

F(63;2) = 3.38*

 PTSD, mean (sd)

2.52 (0.43)

2.72 (0.48)

3.03 (0.82)

F(63;2) = 2.95

Symptom reduction over treatment

 Anxiety

  mean (sd)

−0.85 (0.74)**

−0.53 (0.49)**

−0.37 (0.65)

F(63;2) = 2.602

  Cohen’s d

1.64

1.13

0.68

  R

0.63

0.49

0.32

 Depression

  mean (sd)

−0.99 (0.62)**

−0.47 (0.48)**

−0.62 (0.53)*

F(63;2) = 5.588**

  Cohen’s d

2.33

0.94

1.12

  R

0.76

0.42

0.49

 PTSD

  mean (sd)

−0.84 (0.49)**

−0.52 (0.43)**

−0.46 (0.61)*

F(63;2) = 3.074

  Cohen’s d

2.32

1.14

0.71

  R

0.76

0.50

0.33