Table 4 Unadjusted potential predictors of RBV adherence among the study population with available RBV adherence data (n = 86)
|  | RBV adherence of 95% (%; n = 59) | RBV adherence of < 95% (%; n = 27) | Unadjusted OR | 95% CI | P |
|---|---|---|---|---|---|
Age (years) | |||||
  ≤ 41 | 29 (66) | 15 (34) | 1.00 | - | - |
  > 41 | 30 (71) | 12 (29) | 1.25 | 0.50–3.11 | 0.632 |
Gender | |||||
 Female | 49 (69) | 22 (31) | 1.00 | - | - |
 Male | 10 (67) | 5 (33) | 1.14 | 0.35–3.72 | 0.833 |
Educationa | |||||
  < Tertiary | 43 (69) | 19 (31) | 1.00 | - | - |
 Tertiary or greater | 15 (71) | 6 (29) | 1.18 | 0.40–3.48 | 0.766 |
Social functioning score | |||||
  < 17 | 29 (76) | 9 (24) | 1.00 | - | - |
  ≥ 17 | 30 (63) | 18 (38) | 0.53 | 0.21–1.38 | 0.195 |
Current depressionb | |||||
 No | 24 (65) | 13 (35) | 1.00 | - | - |
 Yes | 30 (68) | 14 (32) | 1.11 | 0.44–2.80 | 0.818 |
Hazardous alcohol consumptionc | |||||
 No | 48 (68) | 23 (32) | 1.00 | - | - |
 Yes | 8 (67) | 4 (33) | 0.94 | 0.26–3.44 | 0.924 |
Current OST | |||||
 No | 16 (64) | 9 (36) | 1.00 | - | - |
 Yes | 43 (70) | 18 (30) | 1.26 | 0.48–3.36 | 0.638 |
Injecting (last month) | |||||
 No | 22 (69) | 10 (31) | 1.00 | - | - |
 Yes | 37 (69) | 17 (31) | 0.95 | 0.37–2.42 | 0.908 |
Frequency of injecting (last month) | |||||
 Never | 22 (69) | 10 (31) | 1.00 | - | - |
 Less than weekly | 14 (67) | 7 (33) | 0.87 | 0.27–2.81 | 0.815 |
 Weekly or greater | 23 (70) | 10 (30) | 1.00 | 0.35–2.86 | 1.000 |
Heroin injecting (last month) | |||||
 No | 35 (66) | 18 (34) | 1.00 | - | - |
 Yes | 24 (73) | 9 (27) | 1.33 | 0.51–3.46 | 0.554 |
Cocaine injecting (last month) | |||||
 No | 52 (68) | 24 (32) | 1.00 | - | - |
 Yes | 7 (70) | 3 (30) | 0.77 | 0.25–4.44 | 0.940 |
Amphetamine injecting (last month) | |||||
 No | 51 (69) | 23 (31) | 1.00 | - | - |
 Yes | 8 (67) | 4 (33) | 0.88 | 0.24–3.24 | 0.853 |
Injecting on therapy | |||||
 No | 25 (74) | 9 (26) | 1.00 | - | - |
 Yes | 34 (65) | 18 (35) | 0.65 | 0.25–1.69 | 0.380 |
Therapy duration | |||||
 24 weeks | 18 (72) | 7 (28) | 1.00 | - | - |
 12 weeks | 41 (67) | 20 (33) | 0.80 | 0.29–2.22 | 0.664 |