Table 1 Participant's sociodemographic and clinical characteristics at baseline

Age (years)

38.5 (10.2)

Gender

 Male

101

80.2

 Female

25

19.8

Marital status (missing = 3)

 Never married

57

46.3

 Married/live with a partner

40

32.5

 Separated/divorced/widowed

26

21.2

Educational level (missing = 1)

 Primary school

12

9.6

 Secondary school

88

70.4

 High school/university

25

20.0

Living arrangements (missing = 2)

 Alone

43

34.7

 Alone with children

10

8.1

 With partner

16

12.9

 With partner and children

24

19.4

 With family or friends

28

22.6

 Homeless

3

2.4

Occupational status (missing = 1)

 Unemployed/student

72

57.6

 Full-time work

40

32.0

 Part-time work

8

6.4

 Retired

5

4.0

Type of dependence

 Alcohol dependence

45

35.7

 Opioid dependence

81

64.3

Duration of addiction (years)

124

5.3 (5.5)

Comorbid axis I diagnosis (yes)

46

36.5

Origin of the care request

 Patient

96

76.2

 Justice

14

11.1

 Heath practioner

16

12.7

HADS Anxiety (missing = 6)

120

10.5 (4.7)

 < 8

39

32.5

 ≥ 8

81

67.5

HADS Depression (missing = 4)

122

8.3 (4.3)

 < 8

51

41.8

 ≥ 8

71

58.2

Patient-physician gender match (yes)

51

40.5

Medication initiated during 6-month follow-up (yes)

73

58.4

Change in substance use behavior at 6 months (yes)

103

82.4

Number of medical sessions during 6-month follow-up

105

13.9 (5.4)