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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Biol Psychiatry. 2008 Aug 9;65(3):268–272. doi: 10.1016/j.biopsych.2008.06.024

Table 2.

Means, Standard Deviations, and Associated Probability Statistics for Hostility Questionnaire Measures and Hostility Factors by Group

PTSD
(n=67)		 Control
(n=50)		 Test Statistic
M (SD) M (SD)
Cook-Medley Total 12.68
(5.60)		 7.70
(4.82)		 F(1,116) = 25.42, p < .001**
Rotter Trust Scale Total 4.60
(3.04)		 7.18
(4.00)		 F(1,115) = 15.51, p < .001**
Buss-Durkee Total 28.65
(10.42)		 20.61
(9.22)		 F(1,113) = 18.37, p < .001**
Speilberger Anger Exp Total 46.38
(7.84)		 46.90
(5.80)		 F (1,116) = 0.16, p = .690
Factor 1: Hostile Beliefs 0.23
(0.95)		 -0.09
(1.02)		 F (1,112) = 25.54, p < .0001***
Factor 2: Overt Hostility 0.26
(0.90)		 -0.63
(0.94)		 F (1,112) = 0.05, p = 0.824
Factor 3: Covert Hostility -0.02
(1.01)		 -0.06
(0.91)		 F (1, 112) = 7.96, p = .006**