Table 1 Baseline demographic and clinical characteristics of participants (N = 247)
|  | Overall (N = 247) |
|---|---|
Age in years, median (IQR) | 37 (30–44) |
Sex, n (%)  Male  Female |  |
227 (91.9) | |
20 (8.1) | |
Married, n (%)  unmarried  married  other |  |
179 (73.6) | |
26 (10.61) | |
40 (16.33) | |
Education, n (%) | Â |
Less than or equal to high school education | 112 (45.34) |
 High than high school senior | 135 (54.66) |
Employed, n (%) | Â |
 Yes | 220 (89.07) |
 No | 27 (10.93) |
Methamphetamine use-related variables | Â |
Years of using methamphetamine, median (IQR) | 3 (1–8) |
Age of first methamphetamine use, median (IQR) | 30 (23–37) |
SDS scorea, median (IQR) | 4 (2–6) |
≥ 4, n (%) | 116 (47.00) |
< 4, n (%) | 131 (53.00) |
VAS for craving (score), median (IQR) | 10 (0-26.5) |
Relapse rate, n (%) | Â |
Within 3 months | 56 (22.67) |
Within 6 months | 75 (30.36) |
Within 12 months | 94 (38.05) |
Drop-out rate, n (%) | Â |
Within 3 months | 5 (2.02) |
Within 6 months | 12 (4.86) |
Within 12 months | 21 (8.5) |