. Author manuscript; available in PMC: 2014 Jun 1.

Published in final edited form as: J Psychopathol Behav Assess. 2012 Nov 21;35(2):173–185. doi: 10.1007/s10862-012-9331-4

Table 2.

Average Differences in PPTD Factor Scores as a Function of the Clinical Group and Result of the Univariate Analyses

PPTD Factor	Substance Only	Affective/Anxiety Only	Comorbid	Neither	Univariate Results

	M (SD)	M (SD)	M (SD)	M (SD)	F (3, 284)	p	η²
Negative Emotionality	.05 (.90)	.69 (.96)	.81 (.78)	−.44 (.79)	38.82	< .001	.26
Antagonism	.13 (.87)	.31 (1.18)	.29 (.89)	−.20 (.89)	5.87	<.001	.06
Introversion	−.19 (.66)	.27 (1.26)	.33 (1.17)	−.15 (.83)	4.35	<.01	.04
Impulsivity	.09 (.91)	.20 (1.19)	.72 (1.12)	−.20 (.82)	7.91	< .001	.08