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 |