The Peritraumatic Behavior Questionnaire: development and initial validation of a new measure for combat-related peritraumatic reactions

Table 2 Principal component analysis and convergent, discriminate and concurrent validity of the PBQ-SR

Item	Item-total correlation	α if Item deleted	Mean	SD	Pattern coefficients		Structure coefficients		Communalities	PDEQ	PANAS-P	CAPS^†
Item	Item-total correlation	α if Item deleted	Mean	SD	Component		Component			PDEQ	PANAS-P	CAPS^†
					1	2	1	2
PBQ 1	.610	.851	.57	.953	.259	.550	.473	.650	.480	.347^**	-.038	.415^**
PBQ 2	.406	.866	.71	1.120	-.214	.749	.078	.666	.482	.144^**	.052	.217^**
PBQ 3	.516	.856	.30	.775	.021	.669	.281	.677	.459	.194^**	-.005	.197^**
PBQ 4	.586	.853	.58	1.085	-.095	.832	.228	.795	.640	.232^**	.032	.286^**
PBQ 5	.553	.857	.74	1.214	.061	.667	.321	.691	.481	.230^**	.007	.287^**
PBQ 6	.481	.858	.21	.631	.132	.529	.338	.581	.352	.215^**	.027	.264^**
PBQ 7	.546	.857	.15	.526	.410	.363	.551	.522	.415	.262^**	-.009	.230^**
PBQ 8	.628	.853	.21	.593	.582	.294	.696	.520	.558	.286^**	-.046	.269^**
PBQ 9	.644	.852	.21	.647	.703	.196	.779	.470	.640	.274^**	.014	.251^**
PBQ 10	.424	.861	.10	.466	.785	-.143	.729	.162	.549	.192^**	.015	.120^*
PBQ 11	.445	.861	.13	.477	.785	-.113	.741	.192	.560	.323^**	.034	.201^**
PBQ 12	.534	.857	.19	.589	.581	.184	.653	.410	.455	.309^**	.028	.228^**
PBQ 13	.453	.860	.15	.582	.813	-.124	.765	.192	.598	.280^**	-.062	.249^**
PBQ 14	.548	.855	.45	.948	.208	.520	.410	.600	.397	.258^**	-.003	.275^**
PBQ 15	.591	.852	.39	.889	.591	.228	.680	.458	.507	.399^**	-.002	.364^**
PBQ Total			5.10	7.08						.422^**	.008	.436^**
EDS										.391^**	-.012	.309^**
PAS										.325^**	.017	.397^**

Pattern and structure matrix of PCA with Oblimin rotation of two factor solution of PBQ-SR items and convergent, discriminate and concurrent validity of all items and total scores in the whole sample (n = 687). Correlations are given by the Pearson’s r. PBQ: Peritraumatic Behavior Questionnaire; EDS: Emotional Distress Subscale; PAS: Physical Awareness Subscale; CAPS: Clinician Administered PTSD Scale; DES: Dissociative Experiences Scale-II; PANAS-P: Positive Affect Negative Affect Schedule – Positive Affect Scale; PDEQ: Peritraumatic Dissociative Experiences Questionnaire – Self Report;.
^# Statistical trend: .05 < p < 0.1.
* p < .05.
** p < .001.
^† including only participants without prior deployment.

ISSN: 1471-244X