Table 2 Treatment characteristics and opioid relapse
Treatment characteristics | Number | % | Non-relapse n (%) | Relapse n (%) | p value |
|---|---|---|---|---|---|
Initial drug use age | |||||
< 20 | 186 | 28.4 | 152 (81.7%) | 34 (18.3%) | 0.015 |
20–30 | 374 | 57.1 | 328 (87.7%) | 46 (12.3%) |  |
> 30 | 95 | 14.5 | 89 (93.7%) | 6 (6.3%) |  |
Duration of drug use in the past (year) | |||||
< 5 | 125 | 19.1 | 114 (91.2%) | 11 (8.8%) | < 0.001 |
5–10 | 253 | 38.6 | 235 (92.9%) | 18 (7.1%) |  |
> 10 | 277 | 42.3 | 220 (79.4%) | 57 (20.6%) |  |
The number of previous treatment | |||||
No | 132 | 20.2 | 109 (82.6%) | 23 (17.4%) | 0.259 |
1–2 | 329 | 50.2 | 290 (88.1%) | 39 (11.9%) |  |
3 or more | 194 | 29.6 | 170 (87.6%) | 24 (12.4%) | Â |
Comorbidity | |||||
No | 350 | 53.4 | 259 (84.9%) | 46 (15.1%) | 0.206 |
Yes | 305 | 46.6 | 310 (88.6%) | 40 (11.4%) | Â |
Antiretroviral therapy | |||||
No | 585 | 89.3 | 506 (86.5%) | 79 (13.5%) | 0.527 |
Yes | 70 | 10.7 | 63 (90.0%) | 7 (10.0%) | Â |
Treatment time (year) | |||||
< 3 | 196 | 29.9 | 150 (76.5%) | 46 (23.5%) | < 0.001 |
3–6 | 224 | 34.2 | 202 (90.2%) | 22 (9.8%) |  |
> 6 | 235 | 35.9 | 217 (92.3%) | 18 (7.7%) |  |
Daily methadone dose (mg) | |||||
< 60 | 238 | 36.3 | 203 (85.3%) | 35 (14.7%) | 0.457 |
60–120 | 323 | 49.3 | 281 (87.0%) | 42 (13.0%) |  |
> 120 | 94 | 14.4 | 85 (90.4%) | 9 (9.6%) |  |
Adherence | |||||
Yes | 480 | 73.3 | 433 (90.2%) | 47 (9.8%) | < 0.001 |
No | 175 | 26.7 | 136 (77.7%) | 39 (22.3%) | Â |