Table 1.
Self-reported participant demographics & symptom characteristics.
| Group | CHR | Control | Statistic | p-value |
|---|---|---|---|---|
| Gender | ||||
| Female | 16 (42%) | 20 (53%) | ||
| Male | 22 (58%) | 18 (47%) | ||
| Total | 38 | 38 | χ2 (1) = 0.84 | 0.358 |
| Age | ||||
| Mean years (SD) | 18.87 (1.66) | 18.29 (2.66) | t(62.09) = 1.14 | 0.26 |
| Education | ||||
| Mean years (SD) | 12.41 (1.98) | 12.41 (2.52) | t(73) = 0.01 | 0.996 |
| Ethnicity | ||||
| Hispanic | 9 (24%) | 10 (26%) | ||
| Non-hispanic | 29 (76%) | 28 (74%) | χ2 (1) = 0.07 | 0.791 |
| Race | ||||
| First Nations | 0 (0%) | 0 (0%) | ||
| East Asian | 1 (3%) | 3 (8%) | ||
| Southeast Asian | 0 (0%) | 1 (3%) | ||
| Black | 1 (3%) | 1 (3%) | ||
| Central/South American | 8 (21%) | 9 (24%) | ||
| West/Central Asia & Middle East | 1 (3%) | 2 (5%) | ||
| White | 26 (68%) | 21 (55%) | ||
| Interracial | 1 (3%) | 1 (3%) | χ2 (6) = 2.92 | 0.818 |
| Parent education | ||||
| Mean (SD) | 16.92 (2.29) | 16.18 (2.82) | t(73) = 1.24 | 0.22 |
| SIPS symptoms | ||||
| Positive mean (SD) | 12.42 (4.48) | 0.21 (0.91) | t(39.88) = 16.11 | <0.001 |
| Medication | ||||
| Antipsychotics | 4 (11%) | 0 (0%) | χ2 (1)=4.22 | 0.04 |
Positive symptoms reflect total sums from domains from the Structured Interview for Psychosis-Risk Syndromes (SIPS, P1–P5).