Table 1.
Demographic information and univariate analysis for retention rates.
| Variables | No. of subjects (%) | 14-month retention rate (%) | p-Value* |
|---|---|---|---|
| Clinics | |||
| Anshun | 60 (6.0%) | 70.1 | |
| Zunyi | 231 (23.0%) | 69.7 | |
| Tongen | 127 (12.7%) | 64.5 | |
| Shengeryi | 116 (11.6%) | 57.7 | <0.0001 |
| Yuneryi | 216 (21.5%) | 56.6 | |
| Duyu | 102 (10.2%) | 56.4 | |
| Jianyu | 34 (3.4%) | 45.3 | |
| Panxian | 117 (11.7%) | 23.2 | |
| Gender | |||
| Female | 261 (26.0%) | 61.4 | 0.4601 |
| Male | 742 (74.0%) | 54.7 | |
| Marital status | |||
| Divorced | 155 (15.5%) | 62.0 | |
| Married | 349 (34.9%) | 56.9 | 0.1104 |
| Never married | 496 (49.6%) | 53.9 | |
| Employment | |||
| Full-time | 359 (35.8%) | 53.5 | |
| Part-time | 296 (29.5%) | 56.7 | 0.8407 |
| Unemployed | 348 (34.7%) | 57.6 | |
| Ethnicity | |||
| Han | 889 (88.6%) | 56.4 | 0.5725 |
| Other | 114 (11.4%) | 55.9 | |
| Local resident | |||
| No | 58 (5.8%) | 57.4 | 0.2680 |
| Yes | 945 (94.2%) | 56.5 | |
| Practicing a religion | |||
| None | 922 (91.9%) | 55.1 | 0.0124 |
| Yes | 81 (8.1%) | 70.0 | |
| Treatment goal | |||
| Treatment for life | 112 (11.3%) | 65.9 | 0.008 |
| Temporary treatment | 882 (88.7%) | 55.6 | |
| Clinic location | |||
| Convenient | 853 (85.2%) | 57.4 | 0.0169 |
| Not convenient | 148 (14.8%) | 49.9 | |
| Clinic operation times | |||
| Convenient | 966 (96.3%) | 56.1 | 0.9177 |
| Not convenient | 37 (3.7%) | 58.3 | |
| Family support | |||
| Yes | 943 (94.0%) | 56.5 | 0.1519 |
| No | 60 (6.0%) | 54.0 | |
| Residence | |||
| Own house | 337 (33.6%) | 56.9 | |
| Parent’s house | 525 (52.3%) | 54.7 | 0.4902 |
| Rent house | 111 (11.1%) | 62.3 | |
| Other | 30 (30.0%) | 49.1 | |
| Treatment fee | |||
| Heavy burden | 164 (16.4%) | 57.3 | 0.8582 |
| Not a heavy burden | 838 (83.6%) | 57.1 | |
| Chronic disease history | |||
| No | 892 (89.0%) | 56.0 | 0.3296 |
| Yes | 110 (11.0%) | 59.2 | |
| Drug use method | |||
| Injection | 526 (52.5%) | 55.9 | 0.4698 |
| Non-injection | 476 (47.5%) | 57.0 | |
| Prior detoxification programme | |||
| No | 283 (28.2%) | 58.6 | 0.2346 |
| Yes | 720 (71.8%) | 55.9 | |
Statistical significant probability values in bold.
*
p-values were calculated by log-rank test of equality of survival rates across variable strata.