Table 3.

Contributions of PTSD, attention bias for threat, and interaction of PTSD/threat bias on late fear acquisition after controlling for incidence of childhood and adult trauma (n=64)

		R2	β	p
Step 1	CTQ total	0.01	−0.37	0.41
	TEI total		2.54	0.57
Step 2	CTQ total	0.14	−0.68	0.18
	TEI total		1.07	0.80
	PTSD diagnosis		43.29	0.005*
Step 3	CTQ total	0.23	−0.79	0.06
	TEI total		0.92	0.82
	PTSD diagnosis		35.42	0.017*
	Threat bias†		0.25	0.013*
Step 4	CTQ total	0.3	−1.05	0.013*
	TEI total		4.87	0.24
	PTSD diagnosis		25.19	0.09
	Threat bias†		−0.46	0.13
	PTSD/Threat bias Interaction		0.5	0.017*

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

^*Dependent variable=startle response, late acquisition (p<0.05).

^†Represents threat bias for Caucasian faces only.