Table 1 Baseline characteristics of the intention to treat sample

Age ^a, M (SD)

41.75

(12.66)

42.68

(12.52)

40.25

(11.35)

41.56

(12.18)

0.78

.461

Sex: female, n (%)

54

(68,4)

52

(67.5)

51

(66.2)

157

(67.4)

0.08

.960

BMI, M (SD)

23.92

(3.37)

24.98

(4.33)

24.57

(4.17)

24.49

(3.98)

1.41

.245

School education, n (%)

5.12

.529

  < 9 years

0

(0.0)

1

(1.3)

0

(0.0)

1

(0.4)

 9 years

9

(11.4)

5

(6.5)

9

(11.7)

23

(9.9)

 10 years

18

(22.8)

24

(31.2)

17

(22.1)

59

(25.3)

  ≥ 12 years

52

(65.8)

47

(61.0)

51

(66.2)

150

(64.4)

Employed: yes, n (%)

50

(63.3)

42

(54.5)

45

(58.4)

137

(58.8)

3.44

.488

Additional psychotherapy: yes, n (%)

42

(53.2)

27

(35.1)

38

(49.4)

107

(45.9)

5.69

.058

Antidepressants: yes, n (%)

41

(51.9)

37

(48.1)

39

(50.6)

117

(50.2)

0.24

.887

Depression at baseline (t0)

 MADRS, M (SD)

23.46

(8.93)

22.27

(9.12)

24.04

(7.69)

23.26

(8.60)

0.43

.432

 PHQ-9, M (SD)

13.66

(5.49)

13.36

(5.15)

13.81

(4.65)

13.61

(5.09)

0.15

.861

Study center, n (%)

10.99

.027*

 Erlangen/Nürnberg/Fürth

39

(49.4)

52

(67.5)

37

(48.1)

128

(54.9)

 Weyarn/Munich

20

(25.3)

12

(15.6)

27

(35.1)

59

(25.3)

 Berlin

20

(25.3)

13

(16.9)

13

(16.9)

46

(19.7)