Table 1.
Clinical and Demographic Characteristics of the Sample
| Characteristics | CUD + | CUD – | Statistic, df (p-value) |
|---|---|---|---|
| Age | 34.3(12.5) | 37.5(12.1) | t= 1.6, 198 (0.11) |
| Sex-Male (%) | 62% | 43.3% | Chi2= 5.24,1 (0.02) |
| Race - White (%) | 66% | Chi2= 0.03, 1 (0.86) | |
| Education (yrs) | 13.8 (2%) | 14.4 (2.3) | t= 1.34, 151 (0.18) |
| Parental Socioeconomic status (Hollingshead Index) | 2.6 (1.2) | 2.6(0.8) | t=0.55, 147 (0.58) |
| Estimated premorbid IQ | 98.02 (9.19) | 96.4(11.1) | t= 0.80, 137 (0.42) |
| GAF score | 46.2 (14.7) | 44.14 (14.6) | t= 0.6, 94 (0.55) |
| Duration of illness (yrs) | 13.0 (10.8) | 15.0 (11.3) | t= 1.11, 198 (0.27) |
| Age of onset | 21.3 (7.2) | 22.5 (8.4) | t= 1.02, 198 (0.32) |
| History of psychosis (%) | 82.0% | 67.3% | Chi2= 3.92, 1 (0.05) |
| Family history of Psychosis (%) | 22.8% | 25.0% | Chi2= 0.48, 1 (0.49) |
| Mean number of drugs | 3.54 (2.8) | 2.89 (2.5) | t= 1.54, 198 (0.13) |
| Antipsychotic use (%) | 93.8% | 73.6% | Chi2 = 2.14,1(0.14) |
| Anticonvulsants use (%) | 58.5% | 56.9% | Chi2= 0.03 (0.86) |
| Lithium use (%) | 36.6% | 33.1% | Chi2= 0.171, 1 (0.68) |
| Clinically symptomatic at time of assessment (%) | 46% | 59.9% | Chi2= 2.92, 1 (0.09) |