Table 2.
Demographic and psychiatric characteristics of MA+ participants.
| Characteristics | Employed (n = 15) | Unemployed (n = 48) | p-value |
|---|---|---|---|
| Demographics | |||
| Sex (% male) | 93.3 | 81.3 | 0.26 |
| Ethnicity (% Caucasian) | 60.0 | 68.8 | 0.53 |
| Age (years) | 40.3 (7.2) | 43.0 (6.8) | 0.20 |
| Education (years) | 12.3 (1.9) | 11.8 (2.2) | 0.48 |
| WRAT-III SS | 95.3 (10.6) | 94.4 (12.6) | 0.80 |
| Hollingshead employment ranking (highest ever)a | 4.3 (.8) | 4.3 (1.2) | 0.78 |
| Neurocognitive clinical rating | 3.9 (1.2) | 4.8 (1.3) | <0.05 |
| HCV (%) | 20.0 | 40.0 | 0.16 |
| Psychiatric | |||
| MDD (% currently diagnosed) | 6.7 (n = 1) | 14.6 (n = 7) | 0.42 |
| MDD (% lifetime) | 20.0 (n = 3) | 47.9 (n = 23) | 0.06 |
| ASPD (% lifetime) | 26.7 (n = 4) | 22.9 (n = 11) | 0.77 |
| ADHD (% lifetime) | 6.7 (n = 1) | 14.6 (n = 7) | 0.42 |
| MA use characteristics | |||
| Age of first use (years) | 21.9 (7.5) | 22.5 (8.7) | 0.83 |
| Total duration of use (years) | 7.7 (5.6) | 11.4 (7.5) | 0.08 |
| Total quantity of use (g) | 3704 (5322) | 4834 (6534) | 0.55 |
| Last use (days) | 188 (177) | 139 (168) | 0.33 |
| Injection MA use ever (%) | 13.3 (n = 2) | 52.1 (n = 25) | <0.01 |
| Non-MA dependence | |||
| Cannabis (% lifetime) | 20.0 (n = 3) | 10.4 (n = 5) | 0.33 |
| Alcohol (% lifetime) | 40.0 (n = 6) | 35.4 (n = 17) | 0.75 |
| Cocaine (% lifetime) | 33.3 (n = 5) | 20.8 (n = 10) | 0.32 |
| Other substances (% lifetime) | 6.7 (n = 1) | 14.6 (n = 7) | 0.42 |
Note: MA, methamphetamine; WRAT-III SS, Wide Range Achievement Test – Third Edition, Standard Score; HCV, hepatitis C virus; MDD, major depressive disorder; ASPD, antisocial personality disorder; ADHD, attention-deficit/hyperactivity disorder.
a
Hollingshead employment rankings: higher scores represent lower job responsibilities.