Table 1.

Sample characteristics

Characteristic	Overall Sample (N = 215)		Schizophrenia Participants With Cognitive Remediation (N = 62)		Schizophrenia Participants Without Cognitive Remediation (N = 108)		Healthy Participants Cognitive Without Remediation (N = 45)		Statistic	df	p
	Mean/N	s.d./%	Mean/N	s.d./%	Mean/N	s.d./%	Mean/N	s.d./%
Age (years)	22.39	3.94	22.29	3.61	22.43	4.32	22.42	3.47	0.025	2, 212	0.975
Sex (male)	152	70.7%	48	77.4%	77	71.3%	27	60.0%	3.857	2	0.145
Parental education (years)	13.74	3.77	13.87	3.88	13.78	3.59	13.48	4.09	0.149	2, 206	0.861
Race
African-American	40	18.6%	19	30.7%	16	14.8%	5	11.1%	8.629	2	0.013
Asian-American/Pacific Islander	29	13.5%	5	8.1%	19	17.6%	5	11.1%	3.340	2	0.188
Caucasian	109	50.7%	22	35.5%	58	53.7%	29	64.4%	9.534	2	0.009
Hispanic/Latinx	11	5.1%	7	11.3%	4	3.7%	0	0.0%	7.739	2	0.021
Native American	5	2.3%	4	6.5%	1	0.9%	0	0.0%	6.650	2	0.036
Multiracial/Other	21	9.8%	5	8.1%	10	9.3%	6	13.3%	0.885	2	0.642
Age at psychosis onset (years)	–	–	21.06	3.78	21.13	4.36	–	–	0.011	1, 165	0.918
Illness duration (years)	–	–	1.26	1.0	1.28	1.58	–	–	0.046	1, 165	0.831

Note. Results of one-way ANOVAs are presented for age, parental education, age at psychosis onset, and illness duration, whereas χ² tests are reported for sex and race. Parental education was computed from the mean of maternal education and paternal education.