Table 1.
Baseline Characteristics
| Sample |
|||||
| Variable | Nonpsychotic Spectrum Disorder (n = 185) | Psychotic Spectrum Disorder (n = 66) | Total (n = 251) | Statistics | |
| Age (mean, SD) | 47.49 (8.31) | 45.58 (7.24) | 46.98 (8.07) | F = 2.74 | P = 0.10 |
| Gender (n, %) | χ2 | P | |||
| Male | 181 (98%) | 63 (95%) | 244 (97%) | 1.02 | 0.31 |
| Female | 4 (2%) | 3 (5%) | 7 (3%) | ||
| Total | 185 | 66 | 251 | ||
| Race (n, %) | χ2 | P | |||
| Native American | 7 (4) | 1 (1.5) | 8 (3) | 2.41 | 0.66 |
| Black | 33 (18) | 10 (15) | 43 (17) | ||
| Hispanic | 10 (5) | 2 (3) | 12 (5) | ||
| White | 134 (72) | 52 (79) | 186 (74) | ||
| Others | 1 (1) | 1 (1.5) | 2 (1) | ||
| Total | 185 | 66 | 251 | ||
| Marital status (n, %) | χ2 | P | |||
| Single | 37 (20) | 25 (38) | 62 (25) | 11.0 | 0.05 |
| Married | 23 (13) | 4 (6) | 27 (11) | ||
| Widowed | 6 (3) | 2 (3) | 8 (3) | ||
| Divorced | 89 (48) | 23 (35) | 112 (45) | ||
| Separated | 23 (13) | 8 (12) | 31 (12) | ||
| Living with partner | 6 (3) | 4 (6) | 10 (4) | ||
| Total | 184 | 66 | 250 | ||
| Education | F | P | |||
| Years (mean, SD) | 12.9 (1.8) | 12.8 (1.9) | 12.9 (1.9) | 0.39 | 0.53 |
| Medicationsa (%) | χ2 | P | |||
| Atypical antipsychotics | 2 | 15 | 5.5 | 15.58 | 0.00 |
| Typical antipsychotics | 14.5 | 28.7 | 18.3 | 6.55 | 0.01 |
| Lithium | 2.7 | 15 | 6 | 13.42 | 0.00 |
| Anticonvulsants | 26 | 35 | 29b | 2.61 | 0.27 |
| Measures of alcohol drinking (mean, SD) | F | P | |||
| Years of ethanol use (lifetime) | 25.84 (9.82) | 26.65 (8.86) | 26.05 (9.57) | 0.35 | 0.55 |
| Number of drinks (30 days) | 326.95 (350.11) | 264.88 (336.57) | 311.36 (347.07) | 1.37 | 0.24 |
| Heavy drinking days (30 days) | 14.08 (12.02) | 11.68 (11.41) | 13.45 (11.89) | 1.99 | 0.16 |
| Drinking days (30 days) | 15.33 (12.03) | 13.21 (11.72) | 14.77 (11.96) | 1.53 | 0.22 |
| ADS total score (mean, SD) | 22.20 (8.72) | 21.88 (8.79) | 22.12 (8.72) | F = 0.7 | P = 0.80 |
| PANSS baseline score (mean, SD) | F | P | |||
| Positive scale | 9.46 (2.55) | 10.39 (2.99) | 9.71 (2.70) | 5.55 | 0.02 |
| Negative scale | 9.92 (3.51) | 10.73 (3.55) | 10.14 (3.53) | 2.52 | 0.15 |
| General scale | 24.86 (5.27) | 24.19 (5.51) | 24.68 (5.33) | 0.75 | 0.38 |
Note: ADS = Alcohol Dependence Scale; PANSS = Psychotic Positive and Negative Symptom Scale.
a
Some subjects were prescribed more than one medication.
b
Data for 2 subjects not available.