Table 1.
Demographics, IQ, PANSS symptoms, and medications.
| Demographics Mean (Standard Deviation) | Schizophrenia (n = 35) | Healthy controls (n = 34) | Statistics |
|---|---|---|---|
| Age (years) | 39.4(11.2) | 35.7 (9.8) | t(64) = 1.42, p = 0.16 |
| Gender (male/female) | 26/9 | 19/12 | χ2 = 1.28, p = 0.28 |
| Race/Ethnicity (%White %Black %Hispanic) |
31% 43% 34% |
26% 48% 13% |
χ2 = 0.25, p = 0.61 χ2 = 0.20, p = 0.65 χ2 = 4.1, p = 0.04 |
| Participant Education (years) | 14.2 (2.7) | 15.1(1.9) | t(61) = 1.5, p = 0.14 |
| Participant SES | 31.2 (13.4) | 35.3(12.9) | t(64) = -1.3, p = 0.21 |
| Edinburgh Handedness Score | 17.5(4.2) | 15.4(6.2) | t(52) = 1.6, p = 0.12 |
| IQ (WRAT scaled score) | 96.1(10.6) | 99.4(13.6) | t(51) = -1.0p = 0.30 |
| Parent SES | 39.6(15.1) | 43.2(13.9) | t(62) = -1.0, p = 0.32 |
| PANSS Positive Symptoms | 15.0(4.6) | – | |
| PANSS Negative Symptoms | 13.5(4.1) | – | |
| PANSS Total Scores | 56.6(14.1) | – | |
| Antipsychotic dose (CPZ equivalents, mg) | 643.6(1070.6) | – |