Skip to main content

Table 2 Treatment outcomes: comparison between heroin smokers and injectors

From: Smoking heroin with cannabis versus injecting heroin: unexpected impact on treatment outcomes

Characteristic

3 m f/up smokers (n = 180) (%)

3 m f/up IV users (n = 72) (%)

p value (3 m smokers vs IV)

9 m f/up smokers (n = 159) (%)

9 m f/up IV users (n = 66) (%)

p value (9 m smokers vs IV)

Past month substance use

 Heroin

124 (68.9)

41 (56.9)

0.073

123 (77.4)

40 (60.6)

0.036

 Cannabis

145 (80.6)

39 (54.2)

< 0.001

142 (89.3)

43 (65.2)

< 0.001

 Alcohol

98 (54.4)

41 (56.9)

0.78

72 (45.3)

31 (47.0)

0.88

 Crystal meth

36 (20.0)

23 (31.9)

0.05

26 (16.4)

20 (30.3)

0.03

 Median Q score heroin (IQR)

1.5 (0.0–3.5)

0.3 (0.0–2.5)

0.01

3 (0.6–5.0)

1.5 (0.0–3.5)

0.002

 Any mental illness (excl ASPD*)

79 (43.9)

24 (33.3)

0.16

61 (38.4)

23 (34.8)

0.65

 Median social functioning score (IQR)

23 (19–27)

22 (18–27

0.42

23 (19–27)

22 (18–28)

0.91

 Median general health score (IQR)

11 (4–19)

11 (4.5–20)

0.78

15 (7–21)

14.5 (4–22)

0.84

 Median criminality score (IQR)

0.0 (0.0–2.0)

0.0 (0.0–3.0)

0.11

0.0 (0.0–2.0)

0.0 (0.0–3.0)

0.93

  1. *Antisocial personality disorder. p values in italics are significant