Table 2.
Demographic and clinical characteristics of the participants.
| MUD group (n = 34) | HC group (n = 31) | t / χ2 | P | |
|---|---|---|---|---|
| Age (years) | 32.15 ± 6.85 | 34.48 ± 7.73 | -1.29 | 0.201 |
| Gender (male / female) | 18 / 16 | 21 / 10 | 1.48 | 0.224 |
| Education (years) | 9.76 ± 1.44 | 9.74 ± 2.16 | 0.05 | 0.960 |
| Mean FD | 0.09 ± 0.04 | 0.08 ± 0.04 | 0.91 | 0.364 |
| Age of first MA-use (years) | 23.74 ± 8.11 | — | — | — |
| Duration of MA use (years) | 6.59 ± 3.68 | — | — | — |
| Dose of MA use per day (g) | 0.51 ± 0.33 | — | — | — |
| Frequency | ||||
| Every day | 20 (58.8%) | — | — | — |
| 3-5 times a week | 10 (29.4%) | — | — | — |
| Once a week | 4 (11.8%) | — | — | — |
| Abstinence (months) | 5.85 ± 0.60 | — | — | — |
| Craving (VAS) | 4.89 ± 3.34 | — | — | — |
| Addiction severity (ASI) | 1.04 ± 0.27 | — | — | — |
| Drug use severity | 0.13 ± 0.09 |
FD, frame-wise displacement; VAS, Visual Analogue Scale; ASI, Addiction Severity Index.