Table 1 Characteristics of clients under OMT treatment in treatment centres in France 2010–2020

N

30,468

32,122

31,301

33,477

30,722

32,526

30,140

32,895

30,445

29,875

30,841

Past month heroin use

57.8

55.8

55.7

52.2

47.3

48.0

51.1

51.7

52.4

53.1

49.3

Methadone

54.5

56.5

58.6

57.2

58.3

58.2

59.6

61.6

62.4

63.1

63.0

Buprenorphine

43.2

41.5

38.9

39.5

38.6

38.2

36.5

35.2

34.1

34.2

34.1

Other

2.3

2.0

2.5

3.3

3.1

3.7

3.9

3.2

3.5

2.7

2.9

OMT ≥ 5 years

45.4

48.3

52.2

55.9

56.4

58.6

60.2

62.6

65.3

68.0

70.2

OMT 2–4 years

27.9

27.9

27.4

24.9

24.2

23.3

22.9

22.1

21.3

19.9

18.9

OMT ≤ 1 year

26.7

23.8

20.4

19.2

19.4

18.1

17.0

15.2

13.4

12.1

10.9

Males

78.3

78.5

78.5

79.3

78.5

79.0

78.3

78.7

78.4

78.8

78.7

Females

21.7

21.5

21.5

20.8

21.5

21.0

21.7

21.3

21.6

21.2

21.3

15–24

10.0

8.7

7.8

6.3

5.5

4.4

4.0

3.5

2.9

2.4

2.3

2534

37.2

37.1

38.0

36.3

35.0

33.4

31.1

29.3

26.2

24.3

21.6

35–64

52.7

54.2

54.3

57.4

59.5

62.2

64.9

67.2

71.0

73.3

76.2

Inactive

33.6

31.0

29.7

34.2

38.6

38.3

37.2

29.9

27.8

28.9

28.8

Unemployed

28.2

31.9

33.2

31.8

25.8

24.5

27.6

31.6

33.5

31.9

30.3

Working

38.1

37.1

37.1

33.9

35.6

37.2

35.3

38.5

38.7

39.2

40.9

Homeless/temporary

26.2

26.3

25.7

20.4

26.0

25.3

23.8

24.7

24.9

26.0

25.3

Stable accommodation

73.8

73.7

74.3

79.7

74.0

74.7

76.2

75.3

75.1

74.0

74.7

Paris region

20.4

21.6

18.7

21.7

18.8

17.8

16.3

15.9

15.8

14.9

16.9

Rest of the country

79.6

78.4

81.3

78.3

81.2

82.2

83.7

84.1

84.2

85.1

83.1

Licit substances

27.2

27.8

28.0

31.8

32.3

35.5

39.3

39.9

41.7

43.5

42.5

Psychotropics

7.3

6.8

7.8

7.8

6.1

5.5

5.8

6.1

5.9

5.7

5.1

Other illicit substances

30.2

28.2

30.5

32.1

27.0

27.2

29.6

31.7

34.6

36.1

33.9