Table 3. Standardized item parameter estimates, and explained common variance for the Bifactor model.

Item	S	OC	IS	D	A	H	PA	PI	P	GSI	I-ECV
2	0.491									0.547	0.554
7	0.346									0.483	0.582
23	0.417									0.588	0.665
29	0.429									0.591	0.655
30	0.467									0.519	0.553
33	0.437									0.546	0.610
37	0.439									0.671	0.701
5		0.622								0.567	0.454
15		0.271								0.776	0.891
26		0.256								0.697	0.920
27		0.199								0.766	0.937
32		0.544								0.797	0.664
36		0.354								0.776	0.826
20			0.237							0.829	0.924
21			0.468							0.852	0.747
22			0.356							0.792	0.870
42			0.244							0.725	0.898
9				0.242						0.749	0.895
16				0.988						0.812	0.985
17				0.273						0.836	0.905
18				0.329						0.836	0.884
35				0.222						0.747	0.917
50				0.213						0.794	0.933
1					0.437					0.715	0.725
12					0.447					0.768	0.747
19					0.547					0.718	0.633
38					0.229					0.838	0.930
45					0.417					0.775	0.776
49					0.811					0.691	0.986
6						0.398				0.766	0.787
13						0.438				0.778	0.791
40						0.638				0.587	0.459
41						0.626				0.637	0.512
46						0.348				0.675	0.788
8							0.274			0.255	0.464
28							0.734			0.426	0.251
31							0.616			0.613	0.510
43							0.627			0.499	0.388
47							0.562			0.726	0.994
4								0.269		0.554	0.819
10								0.278		0.488	0.756
24								0.358		0.677	0.782
48								0.358		0.664	0.782
51								0.517		0.646	0.609
3									0.178	0.556	0.907
14									-0.375	0.859	0.840
34									0.244	0.673	0.884
44									-0.858	0.724	1.000
53									0.177	0.865	0.960
11										0.598	1.000
25										0.588	1.000
39										0.755	1.000
52										0.794	1.000

A = Anxiety; D = Depression; GSI = Global Severity Index; H = Hostility; I-ECV - Item explained common variance; IS = Interpersonal Sensitivity; OC = Obsession-Compulsion; P = Psychoticism; PA = Phobic Anxiety; PI = Paranoid Ideation; S = Somatization.