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. 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 %
Maleb, *** 137 66.5 53 40.5 55 37.7
Racec
  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 Readingd, ** 93.90 15.50 95.67 14.25 99.92 13.65
PANSS Total Scoree, *** 64.23 17.10 69.65 15.49 53.58 13.55
SBS Scoref, *** 7.96 1.16 5.24 1.46 1.15 1.13
BACS Composite Scoreg, ** −1.52 1.27 −1.34 1.19 −1.09 1.23
BACS Subtest Score
  Verbal Memoryg, ** −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 Motorh, * −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 Medicationsg, ** 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

a

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

b

Disproportionate number of males across diagnostic groups

c

Disproportionate number of Caucasian and African-American across diagnostic groups

d

Psychotic bipolar > schizophrenia and schizoaffective group

e

Schizoaffective > schizophrenia > psychotic bipolar group

f

Schizophrenia > schizoaffective > psychotic bipolar group

g

Psychotic bipolar > schizophrenia group

h

Psychotic bipolar > schizoaffective group

i

Psychotic bipolar, schizoaffective > schizophrenia group

j

Schizophrenia, schizoaffective > psychotic bipolar group