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

Characteristic3 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
 Heroin124 (68.9)41 (56.9)0.073123 (77.4)40 (60.6)0.036
 Cannabis145 (80.6)39 (54.2)< 0.001142 (89.3)43 (65.2)< 0.001
 Alcohol98 (54.4)41 (56.9)0.7872 (45.3)31 (47.0)0.88
 Crystal meth36 (20.0)23 (31.9)0.0526 (16.4)20 (30.3)0.03
 Median Q score heroin (IQR)1.5 (0.0–3.5)0.3 (0.0–2.5)0.013 (0.6–5.0)1.5 (0.0–3.5)0.002
 Any mental illness (excl ASPD*)79 (43.9)24 (33.3)0.1661 (38.4)23 (34.8)0.65
 Median social functioning score (IQR)23 (19–27)22 (18–270.4223 (19–27)22 (18–28)0.91
 Median general health score (IQR)11 (4–19)11 (4.5–20)0.7815 (7–21)14.5 (4–22)0.84
 Median criminality score (IQR)0.0 (0.0–2.0)0.0 (0.0–3.0)0.110.0 (0.0–2.0)0.0 (0.0–3.0)0.93
  1. *Antisocial personality disorder. p values in italics are significant