Table 1.
Demographic Information | Schizophrenia | Controls |
---|---|---|
Age | 42.19±10.00 | 41.59±8.49 |
Education | 13.32±1.93 | 14.90±1.96 |
SES | 3.38±1.23 | 2.22±0.92 |
Parental SES | 2.78±1.18 | 2.54±1.06 |
IGT | ||
Block 1 | −1.88±9.77 | −1.78±10.10 |
Block 2 | −0.33±8.31 | 3.63±7.89 |
Block 3 | 1.21±8.16 | 4.37±9.02 |
Block 4 | −1.29±9.74 | 3.97±9.94 |
Block 5 | 0.03±10.00 | 3.94±10.20 |
Total Net | −1.94±25.24 | 14.25±27.44 |
WAIS-III IQ | ||
Full Scale | 93.51±12.96 | 107.51±15.40 |
Verbal | 96.06±13.78 | 107.22±14.18 |
Performance | 91.08±12.82 | 106.18±16.80 |
WMS-III Memory Quotient | ||
Immediate Memory | 85.25±17.37 | 101.87±15.21 |
Delayed Memory | 89.35±14.64 | 103.02±13.16 |
WMS-III Index | ||
Auditory Immediate | 89.62±15.21 | 103.33±14.76 |
Visual Immediate | 85.52±17.17 | 98.82±15.07 |
Auditory Delayed | 95.02±15.77 | 106.36±13.56 |
Visual Delayed | 87.33±16.61 | 101.14±14.21 |
WCST | ||
Categories Completed | 3.77±2.31 | 5.22±1.61 |
Non perseverative errors | 18.60±11.61 | 12.15±9.73 |
Perseverative errors | 23.96±20.15 | 12.33±10.61 |
Note. Values are means plus or minus standard deviations. SES = socioeconomic status; IGT= Iowa Gambling Test (IGT); WAIS-III = Wechsler Adult Intelligence Scale---Third Edition; WMS-III Wechsler Memory Scale---Third Edition; WCST=Wisconsin Card Sorting Test.