Table 3.

Eigenvalues and goodness-of-fit indices of different solutions.

Model	Eigenvalues	χ 2	df	CFI	TLI	RMSEA (90% CI)	SRMR
1-Factor EFA	11.489	2104.325	324	0.750	0.729	0.109 (0.105–0.114)	0.075
2-Factor EFA	2.227	1390.535	298	0.847	0.819	0.089 (0.085–0.094)	0.051
3-Factor EFA	1.478	906.670	273	0.911	0.886	0.071 (0.066–0.076)	0.039
4-Factor EFA	1.222	663.263	249	0.942	0.918	0.060 (0.055–0.066)	0.028
5-Factor EFA	0.908	522.793	226	0.958	0.935	0.053 (0.047–0.059)	0.024
6-Factor EFA	0.773	434.961	204	0.968	0.944	0.050 (0.043–0.056)	0.021

EFA, exploratory factor analysis; χ², robust chi-square test of exact fit; df, degrees of freedom; CFI, comparative fit index; RMSEA, root mean square error of approximation; CI, confidence interval; SRMR, standardized root mean square residual.