TABLE 1.

Subject Sample Demographics and Clinical Characteristics

Characteristic	Patient Group (n=26)	Comparison Group (n=17)
Age in years (SD)	30.0 (9.8)	28.0 (11.6)
Number (%) of females	7 (27)	7 (41)
Number (%) of right-handed subjects	20 (77)	16 (94)
Number (%) of Caucasian subjects	19 (73)	15 (88)
Education in years (SD)†	12.6 (2.2)	15.9 (3.3)
Age at illness onset in years (SD)	22.6 (5.7)	—
Illness duration in months (SD)	90 (96)	—
Number of patients taking antipsychotic medication (atypical)	24 (24)	—
Antipsychotic daily dosage of chlorpromazine (SD)	477 (314)	—
Past history of alcohol abuse | dependence	3 | 4	unknown

Data values represent group means except where indicated otherwise. Dashes indicate not applicable.

^†Mean years of education, based on incomplete information (four missing from comparison group; three from patient group).