Table 1.
Participant characteristics.
| Healthy Controls (n = 23) | CHR Participants (n = 31) | |
|---|---|---|
| Age (years) | 21.5 (2.8) | 20.7 (2.4) |
| Sex | 13 female, 10 male | 10 female, 21 male |
| Handedness | 20 right, 3 left | 28 right, 3 left |
| Parental socioeconomic status74 | 53.1 (13.9) | 53.1 (13.8) |
| Years of educationa | 15.1 (1.8) | 14.0 (2.1) |
| National adult reading test75 estimated pre-morbid verbal IQ | 110.3 (5.9) | 110.1 (9.6) |
|
Scale of psychosis-risk-symptoms, Based on the structured interview for psychosis-risk syndromes (SIPS54;) | ||
| Positive scale total | 10.5 (3.6) | |
| Negative scale total | 12.8 (4.9) | |
| Disorganised scale total | 5.6 (3.2) | |
| General scale total | 9.6 (4.0) | |
Demographic, neuropsychological and clinical characteristics of the study sample (means, and in parentheses standard deviation, given for continuous variables).
aPatients differed significantly from controls, p = 0.04.