Table 1.
Participant characteristics at baseline.
| Successful outcome | Unsuccessful outcome | Statistics | |
|---|---|---|---|
| Sample size | 15 (48.4) | 16 (51.6) | |
| Demographics | |||
| Sex | X2 = 4.045, df = 1, p = 0.044* | ||
| Women | 8 (53.3) | 3 (18.8) | |
| Men | 7 (46.7) | 13 (81.3) | |
| Age [years] | 27.53 ± 5.29 | 30.75 ± 7.73 | t = −1.343, df = 29, p = 0.190 |
| Romantic relationship | 7 (46.7) | 6 (37.5) | X2 = 0.267, df = 1, p = 0.605 |
| Children | 9 (60.0) | 10 (62.5) | X2 = 0.020, df = 1, p = 0.886 |
| Lower secondary school leaving certificate or less | 9 (60.0) | 14 (87.5) | X2 = 3.058, df = 1, p = 0.113 |
| Unemployed | 9 (60.0) | 13 (81.3) | X2 = 1.697, df = 1, p = 0.252 |
| Clinical data | |||
| Methamphetamine dependence | 15 (100.0) | 16 (100.0) | |
| Age of first methamphetamine use [years] | 18.20 ± 4.31 | 19.81 ± 5.91 | U = 139.000, z = 0.760, p = 0.470 |
| Regular methamphetamine use [years] | 5.17 ± 2.58 | 8.69 ± 4.81 | t = −2.513, df = 29, p = 0.018* |
| Abstinence [days] | 33.73 ± 69.23 | 5.63 ± 4.50 | U = 74.500, z = −1.808, p = 0.072 |
| Abstinence confidence for the next 3 monthsA | 8.07 ± 2.09 | 7.06 ± 1.73 | U = 82.000, z = −1.534, p = 0.140 |
| Current psychiatric comorbidityB | 10 (66.7) | 7 (43.8) | X2 = 1.642, df = 1, p = 0.200 |
| First or second degree family history of mental disordersC | 7 (46.7) | 6 (37.5) | X2 = 0.267, df = 1, p = 0.605 |
All tests are based on the whole study sample (N = 31) and complete data on all variables. Data are number (%) or mean ± SD.
A
Likert scale, from 1 = not very safe to 10 = very safe,
B
according to ICD-10,
C
according to (15), *significant at p < 0.05.