. Author manuscript; available in PMC: 2013 Jun 22.

Published in final edited form as: Psychol Med. 2011 Aug 22;42(3):533–543. doi: 10.1017/S0033291711001565

Table 4.

Contributions of PTSD, attention bias for threat, and interaction of PTSD/threat bias on early extinction after controlling for incidence of childhood and adult trauma (n=55)

		R²	β	p
Step 1	CTQ total	0.01	−0.19	0.74
Step 1	TEI total		5.1	0.39
Step 2	CTQ total	0.18	−0.73	0.2
	TEI total		3.53	0.52
	PTSD diagnosis		64.18	0.003^*
Step 3	CTQ total	0.28	−0.87	0.11
	TEI total		3.35	0.52
	PTSD diagnosis		52.06	0.011^*
	Threat bias^†		0.35	0.012^*
Step 4	CTQ total	0.44	−1.3	0.01^*
	TEI total		11.04	0.03^*
	PTSD diagnosis		29.21	0.12
	Threat bias^†		−1.12	0.008^*
	PTSD/Threat bias Interaction		1.0	<0.001^*

PTSD, Post-traumatic stress disorder; CTQ, Childhood Trauma Questionnaire; TEI, Traumatic Events Interview.

Dependent variable=startle response, early extinction (p<0.05).

^†

Represents threat bias for Caucasian faces only.