Table 3 Unadjusted potential predictors of treatment completion among the study population (n = 93)
|  | Number completed treatment (%; n = 71 | Number not completing treatment (%; n = 22) | Unadjusted OR | 95% CI | P |
|---|---|---|---|---|---|
Age (years) | |||||
  ≤ 41 | 38 (83) | 8 (17) | 1.00 | - | - |
  > 41 | 33 (70) | 14 (30) | 0.50 | 0.19–1.33 | 0.164 |
Gender | |||||
 Female | 13 (81) | 3 (19) | 1.00 | - | - |
 Male | 58 (75) | 19 (25) | 0.70 | 0.18–2.74 | 0.613 |
Educationa | |||||
  < Tertiary | 52 (79) | 14 (21) | 1.00 | - | - |
 Tertiary or greater | 18 (75) | 6 (25) | 0.81 | 0.27–2.42 | 0.703 |
Social functioning score | Â | Â | Â | ||
  < 17 | 31 (78) | 9 (23) | 1.00 | - | - |
  ≥ 17 | 40 (75) | 13 (25) | 0.89 | 0.34–2.36 | 0.820 |
Stable housing | |||||
 No | 17 (77) | 5 (23) | 1.00 | - | - |
 Yes | 54 (76) | 17 (24) | 0.93 | 0.30–2.91 | 0.907 |
Current depressionb | |||||
 No | 30 (75) | 10 (25) | 1.00 | - | - |
 Yes | 37 (80) | 9 (20) | 1.37 | 0.49–3.80 | 0.545 |
Hazardous alcohol consumptionc | |||||
 No | 58 (81) | 14 (19) | 1.00 | - | - |
 Yes | 11 (83) | 2 (15) | 1.71 | 0.35–8.43 | 0.512 |
Current OST | |||||
 No | 19 (70) | 8 (30) | 1.00 | - | - |
 Yes | 52 (79) | 14 (21) | 1.56 | 0.57–4.32 | 0.388 |
Injecting (last month) | |||||
 No | 26 (68) | 12 (32) | 1.00 | - | - |
 Yes | 45 (82) | 10 (18) | 2.08 | 0.79–5.47 | 0.139 |
Frequency of injecting (last month) | |||||
 Never | 26 (68) | 12 (32) | 1.00 | - | - |
 Less than weekly | 17 (77) | 5 (23) | 1.57 | 0.47–5.26 | 0.465 |
 Weekly or greater | 28 (85) | 5 (15) | 2.58 | 0.80–8.34 | 0.112 |
Heroin injecting (last month) | |||||
 No | 43 (72) | 17 (28) | 1.00 | - | - |
 Yes | 28 (85) | 5 (15) | 2.21 | 0.73–6.68 | 0.159 |
Cocaine injecting (last month) | |||||
 No | 63 (76) | 20 (24) | 1.00 | - | - |
 Yes | 8 (80) | 2 (20) | 1.27 | 0.25–6.48 | 0.774 |
Amphetamine injecting (last month) | |||||
 No | 63 (80) | 16 (20) | 1.00 | - | - |
 Yes | 8 (57) | 6 (43) | 0.34 | 0.10–1.12 | 0.075 |
Injecting on therapy | |||||
 No | 30 (83) | 6 (17) | 1.00 | - | - |
 Yes | 41 (79) | 11 (21) | 0.75 | 0.25–2.24 | 0.601 |
Therapy duration* | |||||
 24 weeks | 13 (50) | 13 (50) | 1.00 | - | - |
 12 weeks | 58 (95) | 3 (5) | 19.33 | 4.81–77.78 | <0.001 |