Relationship between the five-factor model of personality and unipolar, bipolar and schizophrenic patients.
The purpose of this study was to examine personality differences among three different Axis I disorders-recovered patients with unipolar depression (n = 62), euthymic patients with bipolar disorder (n = 34), and patients with schizophrenia in the residual phase of their illness (n = 41) using the five-factor model of personality (FFM). The dimensions of the FFM-Neuroticism (N), Extraversion (E), Openness (O), Agreeableness (A), and Conscientiousness (C)-were measured with composite scores derived from the NEO Personality Inventory (NEO PI) and the Revised NEO Personality Inventory (NEO PI-R). While no group differences emerged on N or C, the bipolar patients scored significantly higher on the Positive Emotion facet (subscale) of E than the unipolar patients. The schizophrenic patients scored lower on the Feelings, Values and Actions facets of O than did the unipolar and bipolar patients. The unipolar patients scored higher on A than the schizophrenic patients.
Bagby
R M
RM
Clarke Institute of Psychiatry, Toronto, Ontario, Canada. bagby@cs.clarke-inst.on.ca
Bindseil
K D
KD
Schuller
D R
DR
Rector
N A
NA
Young
L T
LT
Cooke
R G
RG
Seeman
M V
MV
McCay
E A
EA
Joffe
R T
RT
D000328:Adult; D001714:Bipolar Disorder / Q000175:diagnosis* / Q000523:psychology; D003866:Depressive Disorder / Q000175:diagnosis* / Q000523:psychology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015233:Models, Statistical; D010555:Personality Inventory / Q000706:statistics & numerical data*; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data; D011594:Psychometrics; D015203:Reproducibility of Results; D012559:Schizophrenia / Q000175:diagnosis*; D012565:Schizophrenic Psychology