Table 1.

Demographic Characteristics

Characteristic	Total (N=113)	Males (N=65)	Females (N=48)	P value
Age, mean (SD), y	18.7 ± 4.6	18.5 ± 4.5	19.0 ± 4.7	NS
Non-Hispanic
Ethnicity, No. (%)	94 (82.5%)	54 (81.8%)	40 (83.3%)	NS
Race, No. (%)
White	76 (66.7%)	47 (71.2%)	29 (60.4%)	NS
Black	15 (13.2%)	6 (9.1%)	9 (18.8%)
Asian	7 (6.1%)	2 (3.0%)	5 (10.5%)
Native American	2 (1.8%)	2 (3.0%)	None
Interracial	10 (8.8%)	6 (9.1%)	4 (8.3%)
Educational level
Years, mean (SD)	11.1 ± 2.95	10.8 ± 2.8	11.3 ± 3.1	NS
Antipsychotic treatment, No. (%)
No Exposure	95 (84.8%)	54 (83.1%)	41 (87.2%)	NS
Exposure	16 (14.3%)	10 (15.4%)	6 (12.8%)
Substance use
Tobacco	19 (17.4%)	15 (23.8%)	4 (8.7%)	0.04*
Alcohol	36 (33.0%)	20 (31.7%)	16 (34.8%)	NS
Illicit Drug	25 (23.1%)	14 (22.2%)	11 (24.4%)	NS

^*p<0.05,