Table 2.

Demographic and Clinical Characteristics for clinical-risk and low-risk control groups.

	Clinical Risk (n = 15)			Low Risk (n = 14)
Characteristic	Mean	SD	n	Mean	SD	n
Age (years)	18.80	3.63		20.93	2.81
Sex (Males | Females)			10 | 5			6 | 8
Education level* (years)	11.47	2.90		13.93	2.73
Mother’s Education (years)	14.23	2.83		15.00	2.48
Father’s Education (years)	13.62	3.07		15.31	2.93
Packs/day	0.12	0.21		0.06	0.15
SOPS† Total Score	31.27	13.19		3.14	3.57

^*Significant group difference (P < 0.05)

^†Scale of Prodromal Symptoms (SOPS; McGlashan, et al., 2001; McGlashan, et al., 2003; Miller, et al., 1999)