Table 3.

Fit indices for CFA models of the AFQ (best fitting model in bold)

Model	Χ b	df	CFIa	SRMRb	RMSEAc	90% CId
1a Single factor	3194.4	135	0.653	0.1145	0.128	0.124–0.132
1b Single factor, correlated error (CE) permitted	1983.5	131	0.790	0.0986	0.101	0.097–0.101
2a Two factor model	2548.5	134	0.726	0.1130	0.114	0.110–0.118
2b Two factor model, correlated error (CE) permitted	1548.0	131	0.839	0.0965	0.088	0.084–0.092
3a Three factor model	1636.8	132	0.829	0.0790	0.091	0.087–0.095
3b Three factor model, correlated error (CE) permitted	865.7	129	0.916	0.0721	0.064	0.060–0.068

^aComparative fit index, values ≥ 0.93 indicates a well-fitting model;

^bStandard root mean squared residual, values < 0.08 indicate a well-fitting model; and

^cRoot mean Square Error of Approximation, values < 0.06 indicate a well-fitting model; ^dConfidence intervals