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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Sleep Med. 2012 Aug 28;13(9):1122–1129. doi: 10.1016/j.sleep.2012.05.004

Table 3.

Prevalence of SCID-II-PQ clinical thresholds and proportions of personality disorder features.

Cluster n (%) Personality Disorder No. Meeting Clinical Threshold Mean Proportion of Endorsed Features Standard Deviation
No PD 38 (45.2) - - - -
A 14 (16.7) Paranoid 9 .15 .21
Schizotypal 1 .10 .12
Schizoid 6 .20 .22
B 18 (21.0) Histrionic 1 .13 .16
Narcissistic 9 .11 .12
Borderline 9 .11 .14
Antisocial 1 .008 .03
C 42 (50) Avoidant 10 .20 .25
Dependent 1 .15 .16
Obsessive-Compulsive 39 .43 .21

Note. Percentages may not sum to 100% due to multiple participants meeting criteria for more than one personality disorder; PD refers to personality disorder; SCID-II-PQ refers to Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders-IV, Clinical Version Axis II, Personality Questionnaire.