Table 2 Participants’ clinical characteristics at baseline

Mental disorders, n (%)

0.99

Depressive disorders

45 (22.7)

33 (22.6)

12 (23.1)

Bipolar disorders

43 (21.7)

31 (21.2)

12 (23.1)

Schizophrenia spectrum and other psychotic disorders

68 (34.3)

52 (35.6)

16 (30.8)

Personality disorders

13 (6.6)

9 (6.2)

4 (7.7)

Substance use disorders

8 (4.0)

6 (4.1)

2 (3.8)

Other disorders

18 (9.1)

13 (8.9)

5 (9.6)

No diagnosis

3 (1.5)

2 (1.4)

1 (1.9)

Psychological symptoms (BSI total score), mean (SD) ^a

1.06 (0.77)

1.11 (0.76)

0.94 (0.78)

0.22

Psychosocial functioning (HoNOS total score), mean (SD) ^b

14.27 (6.02)

14.36 (6.28)

13.87 (4.96)

0.78

Suicidality (HoNOS item 2), mean (SD) ^b

0.77 (1.19)

0.78 (1.19)

0.73 (1.22)

0.89

Aggression (HoNOS item 1), mean (SD) ^b

1.49 (1.18)

1.45 (1.19)

1.67 (1.11)

0.53

Alcohol consumption (AUDIT), mean (SD) ^c

5.49 (6.10)

5.48 (6.10)

5.54 (6.18)

0.95

Substance use (MATE), n (%) ^d

Cannabis

51 (25.8)

39 (27.5)

12 (23.1)

0.59

Other substances

15 (7.6)

12 (8.2)

3 (5.8)

0.76

Symptom severity

(total BPRS), mean (SD) ^e

1.78 (0.40)

1.81 (0.41)

1.69 (0.35)

0.07