Table 2 Demographics and problem indicators among cannabis patients across education and work status subgroups at end of follow-up

 Gender (%)

Female

24.2^a (559)

27.1 (445)

26.2 (366)

32.2 (149)

 Age (%)

Less than 20 years

29.9 ^a (690)

36.0 (591)

36.8 (514)

36.6 (169)

20–24

22.7 ^a (524)

24.8 (407)

24.0 (335)

23.4 (108)

25–29

13.2 ^a (305)

11.3 (186)

11.4 (159)

8.9 (41)

30–34

9.2 ^a (212)

5.7 (94)

5.9 (82)

3.2 (15)

35–39

12.7 ^a (293)

5.2 (85)

5.9 (82)

1.8 (8)

40 or older

12.3 ^a (284)

17.0 (279)

16.0 (224)

26.1 (121)

Mean age (years)

28.3 (653)

25.6 (420)

25.8 (360)

23.6 (109)

Range (years)

15-67

15-61

15-61

15-50

 Marital status (%)

Married

5.3 (122)

5.2 (85)

5.9 (82)

1.5 (7)

 Background (%)

Norwegian

76.7 (1771)

73.9 (1213)

74.6 (1042)

70.4 (325)

Other western

14.2 (328)

17.0 (279)

16.3 (228)

19.7 (91)

Non-western

9.1 (210)

9.1 (149)

9.1 (127)

9.9 (46)

 Father’s education (%)

Compulsory education

42.2 ^a (974)

34.0 (558)

35.3 (493)

39.4 (182)

Upper secondary school

45.0 ^a (1039)

48.1 (790)

48.2 (673)

43.9 (203)

Higher education

12.8 ^a (296)

17.9 (294)

16.5 (231)

16.7 (77)

 Mother’s education (%)

Compulsory education

40.7 ^a (925)

38.6 (634)

40.2 (562)

30.3 (140)

Upper secondary school

47.4 ^a (1094)

40.0 (656)

40.3 (563)

38.0 (176)

Higher education

11.9 ^a (275)

21.4 (351)

19.5 (272)

31.7 (146)

 Psychological diagnoses (%)

Mood disorders

23.0 ^a (531)

19.4 (319)

18.5 (258)

22.3 (103)

Personality disorders

13.8 ^a (319)

6.9 (113)

6.7 (94)

7.6 (35)

Attention deficit disorders

15.7 ^a (363)

9.5 (155)

9.8 (137)

7.1 (34)

Neurotic disorders

24.9 ^a (575)

17.8 (292)

16.6 (232)

19.3 (89)

Schizophrenia

9.4 ^a (217)

4.0 (66)

3.4 (47)

7.4 (34)

Any psychological diagnosis

53.8 ^a (1242)

41.2 (677)

37.2 (520)

40.5 (187)

 Substance use diagnoses (%)

Alcohol

22.0 ^a (508)

16.7 (274)

16.1 (225)

16.5 (76)

Opioids

17.9 ^a (413)

6.6 (108)

5.8 (81)

8.0 (37)

Sedatives

23.7 ^a (547)

11.5 (189)

10.5 (147)

13.6 (63)

Cocaine

3.4 ^a (79)

4.9 (80)

5.2 (73)

3.5 (16)

Poly-drug use

33.4 ^a (771)

18.9 (310)

17.4 (243)

23.2 (107)

Any substance use diagnosis

56.8 ^a (1312)

38.4 (631)

37.2 (520)

40.5 (187)

 Completed education (%)

Compulsory education

77.4 ^a (1786)

67.1 (1102)

67.4 (941)

65.6 (303)

Upper secondary school

16.6 ^a (384)

25.9 (425)

25.2 (353)

27.3 (126)

Higher education

3.4 (78)

5.1 (84)

5.2 (73)

5.8 (27)

Missing

2.6 (61)

1.9 (31)

2.2 (30)

1.3 (6)