Table 2.

Sample Characteristics

	CHR	Control
N	740	280
Age, years (mean ± SD)**	18.5 (± 4.26)	19.7 (± 4.67)
Sex, n (%)*
Males	424 (57.3%)	141 (50.4%)
Females	316 (42.7%)	139 (49.6%)
Race, n (%)
White	426 (57.6%)	152 (54.3%)
Black	111 (15%)	49 (17.5%)
Interracial	94 (12.7%)	29 (10.4%)
Central/South American	32 (4.3%)	13 (4.6%)
East Asian	19 (2.6%)	15 (5.4%)
South Asian	20 (2.7%)	8 (2.9%)
Southeast Asian	15 (2.0%)	7 (2.5%)
First Nations	13 (1.8%)	4 (1.4%)
West/Central Asia and Middle East	6 (0.8%)	2 (0.7%)
Native Hawaiian or Pacific Islander	3 (0.4%)	1 (0.4%)
Ethnicity (Hispanic/Lantinx), n (%)	136 (18.4%)	50 (17.9%)
Attenuated Psychotic Symptoms, mean (SD)**	11.86 (3.832)	1.07 (1.67)
Negative Symptoms, mean (SD) **	11.89 (6.067)	1.46 (2.23)
Sleep Disturbance, mean (SD) **	2.31 (1.568)	0.48 (.904)

Percentages add up to > 100% because one participant can score multiple items.

^*p <.05

^**p<.01