Table 1.

Demographic and clinical features of the full sample (n=69) and the cognitively impaired sample (n=43)

	Full sample	Cognitively impaired
	Mean (SD) or %	Mean (SD) or %
Age, years	46.3 (9.7)	48.7 (8.1)
Education, years	12.9 (1.7)	12.8 (1.7)
Duration of illness, years	23.3 (12.3)	25.8 (10.1)
% Male	65.2	67.4
% Caucasian	76.8	72.1
% Hispanic ethnicity	17.4	18.6
% African American	11.6	16.3
% Schizophrenia	53.6	55.8
% Prescribed antipsychotic medication	94.0	90.2
% Living independently	80.6	78.0
% Never married	55.9	41.8
PANSS positive symptoms total	16.7 (6.3)	16.5 (6.4)
PANSS negative symptoms total	15.0 (5.7)	16.4 (6.1)
HAMD 1-17 total	11.7 (7.0)	11.4 (7.1)

Note. HAMD=Hamilton Depression Rating Scale; PANSS=Positive and Negative Syndrome Scale