Table 2.
Drug use characteristics and scores of BIS-11 and WHOQOL-BREF (N = 379).
| Variables | M (SD) | N (%) | |
|---|---|---|---|
| Age of onset of MAUD | 30.25 (7.26) | ||
| Number of relapses | 2.47 (1.01) | ||
| Comorbidity with other SUDs | |||
| without | 227 (59.9) | ||
| comorbidity with OUD | 46 (12.1) | ||
| comorbidity with KUD | 106 (28.0) | ||
| Severity of MAUD | |||
| mild to moderate | 100 (26.4) | ||
| severe | 279 (73.6) | ||
| Total score of BIS-11 (0.909)a | 80.85 (15.95) | ||
| WHOOQOL-BREF (0.886)a | |||
| PHYSQOL (0.703)a | 14.91 (2.13) | ||
| PSYCHQOL (0.615)a | 13.35 (2.12) | ||
| SOCIALQOL (0.647)a | 14.38 (2.59) | ||
| ENVIRQOL (0.808)a | 13.54 (2.30) | ||
MAUD, methamphetamine use disorder; SUDs, substance use disorders; OUD, opioid use disorder; KUD, ketamine use disorder; BIS-11, Barratt Impulsiveness Scale-11; WHOQOL-BREF, Brief WHO Quality of Life Assessment; PHYSQOL, physical quality of life; PSYCHQOL, psychological quality of life; SOCIALQOL, social quality of life; ENVIRQOL, environmental quality of life.
a
Cronbach’s α.