Table 1 Baseline characteristics of TAU versus FB condition at T0 (measurement at start of treatment)

Age, mean (sd)

38.1 (11.31)

38.2 (11.20)

38.1 (11.24)

0.934

Age subgroups

0.970

Gender, n (%):

0.346

-male

69 (50.0)

66 (44.3)

135 (47.0)

-female

69 (50.0)

83 (55.7)

152 (53.0)

Cultural background, n (%):

0.522

- Dutch

54 (39.1)

67 (45.0)

121 (42.2)

- Surinam

7 (5.1)

8 (5.4)

15 (5.2)

- Turkish

2 (1.4)

5 (3.4)

7 (2.4)

- Moroccan

11 (8.0)

6 (4.0)

17 (5.9)

- other

28 (20.3)

31 (20.8)

59 (20.6)

- unknown

36 (26.1)

32 (21.5)

68 (23.7)

Living situation, n (%):

0.181

- alone

56 (40.6)

74 (49.7)

130 (45.3)

- with children without partner

9 (6.5)

13 (8.7)

22 (7.7)

- with parents in family

10 (7.2)

3 (2.0)

13 (4.5)

- with partner

32 (23.2)

25 (16.8)

57 (19.9)

- other

14 (10.1)

15 (10.1)

59 (20.6)

- unknown

17 (12.3)

19 (12.8)

36 (12.5)

Well-being/Severity of complaints at T0. mean (SD):

GSI

1.87 (0.84)

1.80 (0.90)

1.84 (0.87)

0.453

OQ 45 total score

93.99 (27.46)

90.18 (29.31)

91.97 (28.46)

0.302

ORS

12.84 (8.76)

13.36 (9.21)

13.10 (8.99)

0.628

Diagnosis:

0.663

- psychotic disorder

23 (16.7)

21 (14.1)

44 (15.3)

- depression

29 (21.0)

25 (16.8)

54 (18.8)

- adjustment disorder

29 (21.0)

31 (20.8)

60 (20.9)

- personality disorder

15 (10.9)

13 (8.7)

28 (9.8)

- psychosocial problems

8 (5.8)

8 (5.4)

16 (5.6)

- other

30 (21.7)

42 (28.2)

72 (25.1)

- unknown

4 (2.9)

9 (6.0)

13 (4.5)

Referring service:

0.626

GP

14 (10.1)

21 (14.1)

35 (12.2)

Mental health Service

18 (13.0)

22 (14.8)

40 (13.9)

Patient

4 (2.9)

9 (6.0)

13 (4.5)

Family/friends

70 (50.7)

63 (42.3)

133 (46.3)

ER

2 (1.4)

3 (2.0)

5 (1.7)

Public Health (GGD)

2 (1.4)

3 (2.0)

5 (1.7)

Other

19 (13.8)

15 (10.1)

34 (11.8)

Unknown

9 (6.5)

13 (8.7)

22 (7.7)