Table 1.
Participant demographics and clinical characteristics.
| Healthy control participants | Schizophrenia patients | Healthy control participants < schizophrenia patients | ||||
|---|---|---|---|---|---|---|
| n = 161 | n = 199 | |||||
| Mean | SD | Mean | SD | Statistic (t) | p | |
| Age (yrs) | 33.59 | 11.35 | 35.45 | 13.29 | 1.41 | 0.16 |
| Parental education (yrs) | 14.45 | 2.35 | 14.44 | 2.76 | −0.01 | 0.99 |
| WTAR | 111.02 | 11.30 | 98.94 | 16.28 | −7.84 | <0.001 |
| CPZ equivalents | 418.48 | 258.22 | ||||
| Duration of illness (yrs) | 7.70 | 11.35 | ||||
| n | % | n | % | Statistic (X2) | p | |
|---|---|---|---|---|---|---|
| Sex (male) | 106 | 66 | 143 | 72 | 1.51 | 0.22 |
| Race (White) | 114 | 71 | 126 | 63 | 2.25 | 0.13 |
| Tobacco use | ||||||
| No | 130 | 81 | 89 | 45 | ||
| Yes, continued | 16 | 10 | 81 | 41 | ||
| Yes, quit | 14 | 9 | 29 | 15 | ||
| Missing | 1 | <1 | 0 | 0 | ||
| Diagnosis | ||||||
| Schizophreniform DO | 86 | 43 | ||||
| Schizophrenia | 77 | 39 | ||||
| Schizoaffective DO | 36 | 18 | ||||
yrs years, WTAR Wechsler test of adult reading, CPZ chlorpromazine, DO disorder.
Bolded values indicate signifance at p < 0.05 level.