Table 1.

Participants

	Patients	Controls	Chi-Square	t	P
Number	63	21	—	—	—
Age	40 (SD = 8)	38 (SD = 9)	—	1.04	<.30
Male/female	42/21	10/11	0.46	—	<.50
African American/Caucasian/Other	39/22/2	12/9/0	1.37	—	<.30
Education (years)	12 (SD = 2)	15 (SD = 2)	—	−7.17	<.00
Parent education (years)	12 (SD = 3)	12 (SD = 1)	—	0.67	<.50
Global assessment of functioning	48 (SD = 14)	83 (SD = 9)	—	−9.20	<.00
Patient symptom severities
PANSS positive symptoms	M = 18; SD = 6; range = 7(none)–34(moderate/severe)
PANSS negative symptoms	M = 15; SD = 5; range = 8(none)–31(moderate/severe)
PANSS general symptoms	M = 34; SD = 10; range = 16(none)–59(mild/moderate)
PANSS total symptoms	M = 67; SD = 17; range = 34(none)–113(mild/moderate)

Note: PANSS, Positive and Negative Symptom Scales.