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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: J Psychiatr Res. 2009 Aug 4;44(1):1. doi: 10.1016/j.jpsychires.2009.06.009

Table 2.

Stability of Trait Counts1: Hopkins Epidemiology of Personality Disorder Study (n=294).

Disorder Proportion with any traits Temporal stability statistics
1981 1993–9 ICC (CI) Kappa (CI) Median cross-
lag pairwise OR
Antisocial 0.15 0.222 0.37
(0.26, 0.48)		 0.29
(0.12, 0.46)		 3.25
Avoidant 0.16 0.233 0.17
(0.048, 0.28)		 0.13
(−0.03, 0.29)		 2.79
Borderline 0.17 0.382 0.18
(0.06, 0.30)		 0.06
(−0.08, 0.19)		 2.79
Dependent 0.15 0.10 0.13
(0.02, 0.25)		 0.14
(−0.09, 0.36)		 2.41
Histrionic 0.51 0.272 0.19
(0.08, 0.30)		 0.10
(0.05, 0.28)		 2.41
Narcissistic 0.07 0.07 0.10
(−0.02, 0.22)		 0.07
(−0.22, 0.36)		 0
Obsessive-Compulsive 0.55 0.453 0.20
(0.08, 0.32)		 0.15
(0.05, 0.25)		 1.56
Paranoid 0.11 0.222 −0.06
(−0.18, 0.06)		 −0.06
(−0.24, 0.13)		 0
Schizoid 0.06 0.142 0.16
(0.04, 0.30)		 0.10
(−0.14, 0.34)		 3.89
Schizotypal 0.06 0.272 0.12
(−0.002, 0.23)		 0.07
(−0.11, 0.25)		 4.71
1

Traits were counted as positive if they were “present” (ratings of 1 or 2).

2

McNemar’s Test: p < 0.01

3

McNemar’s Test: p < 0.05