Table 2 Proportion of each substance use disorder of participants (N = 1204)

Any substance use disorder

69

11.7 (9.3–14.5)

33

5.4 (3.9–7.5)

< 0.001

Tobacco use disorder

48

7.6 (5.7–9.9)

16

2.5 (1.5–4.0)

< 0.001

Alcohol use disorder

64

10.0 (8.4–13.6)

28

4.3 (3.0–6.3)

< 0.001

Any drug use disorder

25

4.2 (2.8–6.1)

2

0.3 (0.08–1.3)

< 0.001

Cannabis use disorder

8

1.3 (0.7–2.6)

1

0.2 (0.02–1.1)

0.015

Amphetamine use disorder

22

3.6 (2.4–5.3)

0

0.0

< 0.001

Sedative use disorder

14

2.2 (1.3–3.7)

4

0.6 (0.2–1.6)

0.014

Opioid use disorder

1

0.2 (0.02–0.1)

0

0.0

0.490

Past three months any drug use

49

8.2 (6.2–10.7)

9

1.5 (0.8–2.8)

< 0.001