. Author manuscript; available in PMC: 2018 Dec 1.

Published in final edited form as: Schizophr Res. 2017 Apr 6;190:129–135. doi: 10.1016/j.schres.2017.03.034

Table 1.

Demographic and clinical data of participants

Variable.^a	Schizophrenia (N=206)		Schizoaffective Disorder (N = 131)		Psychotic Bipolar Disorder (N=146)
	N	%	N	%	N	%
Male^b^, ^***	137	66.5	53	40.5	55	37.7
Race^c
Caucasian^***	101	49	74	56.5	106	72.6
African American^***	94	45.6	54	41.2	34	23.3
Other	11	5.3	3	2.3	6	4.1
	Mean	SD	Mean	SD	Mean	SD
Age (years)	36.37	13.21	36.83	11.84	35.08	12.20
Education (years)	12.77	2.42	13.04	2.17	13.97	2.28
WRAT-IV Reading^d^, ^**	93.90	15.50	95.67	14.25	99.92	13.65
PANSS Total Score^e^, ^***	64.23	17.10	69.65	15.49	53.58	13.55
SBS Score^f^, ^***	7.96	1.16	5.24	1.46	1.15	1.13
BACS Composite Score^g^, ^**	−1.52	1.27	−1.34	1.19	−1.09	1.23
BACS Subtest Score
Verbal Memory^g^, ^**	−1.00	1.19	−0.82	1.33	−0.55	1.21
Digit Sequencing^*	−0.94	1.06	−0.70	1.06	−0.68	1.01
Token Motor^h^, ^*	−1.19	1.15	−1.28	1.04	−0.93	1.14
Verbal Fluency^*	−0.87	1.09	−0.59	1.04	−0.65	1.13
Symbol Coding	−1.40	1.18	−1.36	1.13	−1.21	1.17
Tower of London	−0.63	1.28	−0.55	1.16	−0.31	1.16
Medications
Total Number of All Medications^g^, ^**	4.21	2.57	4.93	3.35	5.40	3.63
Total Number of Psychotropic Medicationsⁱ^, ^***	2.51	1.39	3.30	1.54	3.40	1.53
Chlorpromazine Equivalents (mg/day)^j^, ^***	527.61	422.23	539.07	507.18	354.67	325.68
Total ADS Score	2.46	2.37	2.67	2.21	2.28	2.04

P-value < 0.05;

^**

p-value < 0.01;

^***

p-value < 0.001

WRAT-IV Reading=Wide-Range Achievement Test 4th Edition, reading subtest; PANSS=Positive and Negative Syndrome Scale; SBS= Schizo-Bipolar Scale; BACS= Brief Assessment of Cognition in Schizophrenia; ADS=Anticholinergic Drug Scale

Disproportionate number of males across diagnostic groups

Disproportionate number of Caucasian and African-American across diagnostic groups

Psychotic bipolar > schizophrenia and schizoaffective group

Schizoaffective > schizophrenia > psychotic bipolar group

Schizophrenia > schizoaffective > psychotic bipolar group

Psychotic bipolar > schizophrenia group

Psychotic bipolar > schizoaffective group

ⁱ

Psychotic bipolar, schizoaffective > schizophrenia group

Schizophrenia, schizoaffective > psychotic bipolar group