Table 1.
Demographic features of the two samples
| UCLA site | NYC site | |||||
|---|---|---|---|---|---|---|
|
CHR+ (N=19) |
CHR– (N=40) |
CTR (N=21) |
FEP (N=16) |
CHR+ (N=5) |
CHR– (N=29) |
|
| Age at baseline (years, mean±SD) | 17.3 ± 3.7 | 16.4 ± 3.0 | 18.0 ± 2.8 | 15.8 ± 1.7a | 22.2 ± 3.4 | 21.2 ± 3.6 |
| Gender (% male) | 89.5 | 55.0b | 61.9b | 68.7 | 80.0 | 65.5 |
| Ethnicity (% Caucasian) | 63.1 | 50.0 | 66.7 | 62.5 | 40.0 | 37.9 |
| Parental socio‐economic status (Hollingshead index, mean±SD) | 4.4 ± 2.1a | 4.4 ± 1.7a | 5.7 ± 1.4 | 4.9 ± 1.8 | NA | NA |
Significant differences at p<0.05 level: avs. CTR, bvs. CHR+
UCLA – University of California Los Angeles, NYC – New York City, CHR+ – clinical high‐risk subjects who converted to psychosis during follow‐up, CHR– – clinical high‐risk subjects who did not convert to psychosis during follow‐up, CTR – healthy controls, FEP – subjects with first‐episode psychosis, NA – not available