Table 4 Factors affecting drop out from drug treatment, bivariate analyses (N = 13879)
Explanatory variables | Mantel-Haenszel odds ratio (95% confidence interval) |
|---|---|
Recent treatment contact | Â |
No | Reference |
Yes | 0.84*** (0.76 – 0.93) |
Referral route 1 | Â |
Non-criminal justice | Reference |
Criminal justice | 0.93 (0.82 – 1.06) |
Area of residence (public health zone) | Â |
Cheshire and Merseyside | Reference |
Cumbria and Lancashire | 1.65*** (1.43 – 1.90) |
Greater Manchester | 1.90*** (1.68 – 2.16) |
Deprivation | Â |
1 (most) | Reference |
2 | 1.51*** (1.28 – 1.78) |
3 | 1.38*** (1.17 – 1.61) |
4 | 1.24** (1.07 – 1.44) |
5 (least) | 1.57*** (1.33 – 1.85) |
Sex | Â |
Female | Reference |
Male | 1.05 (0.93 – 1.18) |
Age group (years) | Â |
18–24 | Reference |
25–34 | 0.75*** (0.65 – 0.85) |
35–44 | 0.56*** (0.48 – 0.65) |
45–54 | 0.51*** (0.39 – 0.68) |
55–74 | 0.32** (0.15 – 0.69) |
Ethnicity 2 | Â |
White | Reference |
Mixed | 1.26 (0.81 – 1.96) |
Asian/Asian British | 1.97*** (1.45 – 2.67) |
Black/Black British | 1.13 (0.70 – 1.84) |
Other | 0.71 (0.33 – 1.55) |
Opiate user | Â |
No | Reference |
Yes | 0.79*** (0.71 – 0.88) |
Stimulant user | Â |
No | Reference |
Yes | 0.99 (0.89 – 1.09) |
Alcohol user | Â |
No | Reference |
Yes | 0.74** (0.59 – 0.91) |