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. Author manuscript; available in PMC: 2022 Jun 27.
Published in final edited form as: J Abnorm Psychol. 2020 Aug;129(6):570–580. doi: 10.1037/abn0000506

Table 1.

Clinical and Demographic Factors

Cases NP Diagnosis Group
SZ MDP OPD N(%) SZ vs MDP
vs OPD
Cases vs NP
N(%) N(%) N(%)
Gender X2=10.3** X2=.19
 Female 43(37.1) 42(56.0) 6(24.0) 110(44.4)
 Male 72(62.1) 33(44.0) 19(76.0) 138(55.6)
Race1 X2=15.1 t=3.100**
 Asian 4(3.4) 0(0) 1(4.0) 2(.8)
 African American 13(11.2) 4(5.3) 6(24.0) 14(5.6)
 White 85(73.3) 66(88.0) 17(68.0) 221(89.1)
 More than one race 8(6.9) 1(1.3) 0(0) 4(1.6)
 Other/Unknown 6(5.2) 4(5.3) 1(4.0) 7(2.8)
Ethnicity X2=2.5 X2=4.01*
 Hispanic/Latino 20(17.2) 8(10.7) 2(8.0) 20(8.1)
Antipsychotic Medication 93(80.2) 27(36.0) 6(24.0) 4(1.6) F=32.3*** t=17.40***
Mean
(SD)
Mean
(SD)
Mean
(SD)
Mean
(SD)
Group
Comparison
Group
Comparison
Age (years) 47.3(7.9) 48.4(9.0) 49.0(10.9) 50.5 (8.8) F=.63 t= −.3.186**
Symptoms
 Avolition 17.5(8.6) 8.4(7.7) 7.8(7.6) 2.9 (3.9) F=33.9*** t=15.83***
 Inexpressivity 10.5(10.5) 2.9(5.2) 3.3(5.2) .84 (2.6) F=20.0*** t=10.18***
 Reality Distortion 7.8(9.9) .55(1.7) 1.4(2.5) .08 (.50) F=24.4*** t=8.6***
 Disorganization 6.6(7.4) 2.2(4.0) 4.0(4.9) .92 (2.4) F=11.8*** t=8.7***
Occupational Functioning 4.2(1.4) 2.8(5.2) 2.8(2.1) 1.9 (1.8) F=18.2*** t=9.4***
Psychosocial Functioning 3.5(.72) 2.2(1.0) 2.1(1.2) 1.1 (.39) F=62.3*** t=9.5***
*

Indicates a significant difference (p<.05) between groups

**

p<.01

***

p<.001

1

Due to the small number of individuals identifying as non-white, group differences were examined as white vs other.