Table 1.
Demographic and Clinical Characteristics
| Full Sample | SZ (n = 77) Mean ± SD |
HC (n = 71) Mean ± SD |
t or χ2 | p |
|---|---|---|---|---|
| Age | 33.2 ± 10.0 | 33.2 ± 11.1 | 0.0 | .993 |
| Sex (male/female) | 41 / 36 | 35 / 36 | 0.2 | .631 |
| Education, years | 14.4 ± 2.1 | 16.1 ± 1.9 | −5.1 | < .001 |
| Parental education, years | 15.5 ± 2.5 | 15.6 ± 3.2 | −0.1 | .903 |
| MATRICS Working Memory | 43.0 | 53.1 | −6.1 | < .001 |
| MATRICS Reasoning | 45.3 | 51.2 | −3.4 | < .001 |
| MATRICS Composite | 38.2 | 55.3 | −8.9 | < .001 |
| PANSS Positive | 17.0 ± 5.7 | |||
| PANSS Negative | 14.6 ± 4.9 | |||
| SAPS | 20.8 ± 16.9 | |||
| SANS | 32.8 ± 17.5 | |||
| CPZeq | 349.5 ± 351.8 | |||
| Diagnosis (Schizophrenia/Schizoaffective) | 31 / 46 | |||
| fMRI Sample | SZ (n = 62) Mean ± SD |
HC (n = 54) Mean ± SD |
t or χ2 | p |
|
| ||||
| Age | 32.9 ± 10.0 | 33.0 ± 11.1 | 0.0 | .968 |
| Sex (male/female) | 30 / 32 | 27 / 27 | 0.0 | .862 |
| Education, years | 14.4 ± 2.2 | 16.1 ± 2.0 | −4.2 | < .001 |
| MATRICS Working Memory | 42.2 | 51.2 | −4.3 | < .001 |
| MATRICS Reasoning | 43.9 | 50.4 | −3.4 | < .001 |
| MATRICS Composite | 38.8 | 52.4 | −5.5 | < .001 |
| Parental education, years | 15.5 ± 2.4 | 15.7 ± 3.4 | −0.8 | .788 |
| PANSS Positive | 17.0 ± 5.6 | |||
| PANSS Negative | 14.6 ± 4.8 | |||
| SAPS | 19.8 ± 17.3 | |||
| SANS | 33.1 ± 17.3 | |||
| CPZeq | 330.4 ± 344.9 | |||
| Diagnosis (Schizophrenia/Schizoaffective) | 22 / 40 | |||
Note. Parental education represents an average of maternal and paternal education.