Table 2.
Characteristics of participants and drop-outs.
| Characteristics | Participants (N = 111) | Drop-outs (N = 14) | χ2 or t | P-value |
|---|---|---|---|---|
| Gender, n (%) | 0.073 | 0.787 | ||
| Male | 83 (74.8) | 10 (71.4) | ||
| Female | 28 (25.2) | 4 (28.6) | ||
| Education level, n (%) | 5.615 | 0.132 | ||
| Primary school and less | 6 (5.4) | 3 (21.4) | ||
| Junior middle school | 68 (61.3) | 8 (57.1) | ||
| Senior high school | 32 (28.8) | 2 (14.3) | ||
| College or higher | 5 (4.5) | 1 (7.1) | ||
| Marital status, n (%) | 13.331 | 0.010* | ||
| Unmarried | 22 (19.8) | 9 (64.3) | ||
| Married | 50 (45.0) | 3 (21.4) | ||
| cohabitation | 2 (1.8) | 0 (0) | ||
| divorced | 34 (30.6) | 2 (14.3) | ||
| Widowhood | 3 (2.7) | 0 (0) | ||
| Employment, n (%) | 5.891 | 0.015* | ||
| Yes | 34 (30.6) | 0 (0) | ||
| No | 77 (69.4) | 14 (100) | ||
| Injection history, n (%) | 0.261 | 0.609 | ||
| Yes | 98 (88.3) | 13 (92.9) | ||
| No | 13 (11.7) | 1 (7.1) | ||
| Detoxification history, n (%) | 0.179 | 0.672 | ||
| Yes | 99 (89.2) | 13 (92.9) | ||
| No | 12 (10.8) | 1 (7.1) | ||
| Age, mean (SD) | 43.86 (6.61) | 39.14 (7.76) | 2.469 | 0.015* |
| Drug use years, mean (SD) | 16.50 (5.141) | 13.71 (4.795) | 1.921 | 0.057 |
| Treatment years, mean (SD) | 4.96 (1.892) | 4.50 (1.653) | 0.876 | 0.383 |
| Methadone dosage (mg/day), mean (SD) | 78.04 (35.07) | 77.50 (34.54) | 0.054 | 0.957 |
*P < 0.05.