Table 2.
Characteristics of Clozapine Users and Other Antipsychotic Medication Users at 1-Year Follow-Up
| Variables | Clozapine (n = 25) | Other Medicines (n = 70) | t/χ2 | |||
| Substance abuse | ||||||
| AUS (1–5) | 1.60 (0.75) | 2.07 (0.90) | 2.34* | |||
| DUS (1–5) | 1.38 (0.56) | 1.70 (0.98) | 1.96* | |||
| Days of alcohol use in past 6 months | 9.17 (25.10) | 16.89 (32.7) | 1.05 | |||
| Days of drug use in past 6 months | 1.50 (3.84) | 11.21 (29.57) | 2.61** | |||
| SATS (1–8) | 6.21 (1.53) | 5.23 (1.90) | 2.17* | |||
| Remain full remission (yes) | 23 (92.0%) | 42 (60.0%) | 8.73** | |||
| Other outcomes | ||||||
| Global Assessment Scale | 45.20 (12.23) | 48.30 (11.61) | 1.03 | |||
| BPRS total score | 45.31 (12.20) | 41.20 (11.11) | 1.26 | |||
| Days of independent living (80% of time or more) | 5 (20.0%) | 22 (31.9%) | 1.27 | |||
| Contact with non-substance abuse friends (yes) | 8 (40.0%) | 30 (46.9%) | 0.29 | |||
| Currently working (yes) | 8 (40.0%) | 20 (30.3%) | 0.66 | |||
| Outpatient substance abuse treatment (yes) | 7 (36.8%) | 34 (54.0%) | 1.71 | |||
| General life satisfaction | 4.78 (1.11) | 4.53 (1.43) | 0.67 | |||
| Service utilization | ||||||
| Case management (hours) | 132.42 (83.56) | 101.26 (98.40) | 1.05 | |||
| Medication visits (hours) | 25.33 (27.75) | 20.81 (20.35) | 0.66 | |||
| Hospitalization (days) | 29.31 (65.94) | 24.92 (58.60) | 0.23 | |||
P < .05,
P < .01.