. Author manuscript; available in PMC: 2014 Apr 1.

Published in final edited form as: Arthritis Care Res (Hoboken). 2013 Apr;65(4):585–593. doi: 10.1002/acr.21874

Table 2.

Weighted least-squares means and variance adjusted (WLMSV) exploratory factor analysis on 62 items of the IBQ

Model	RMSEA	CFI	WLMSV χ²	df	p
1-factor	.041	.815	2695.99	1829	<.001
2-factor	.031	.897	2250.30	1768	<.001
3-factor	.026	.930	2033.10	1708	<.001
4- factor	.022	.955	1860.94	1649	<.001
5- factor	.018	.970	1732.58	1591	.007
6- factor	.014	.983	1614.28	1534	.075
7- factor	.012	.987	1536.84	1478	.140