Table 4.

Model fit indices of confirmatory factor analysis (N=501)

	χ2	df	p	CFI	TLI	RMSEA	RMSEA 90% CI
1 factor model	334.994	27	<0.001	0.912	0.882	0.151	0.137–0.166
2 factor model
Initial model	171.350	26	<0.001	0.958	0.942	0.106	0.091–0.121
Modified model	81.087	22	<0.001	0.983	0.972	0.073	0.057–0.091

The analysis was conducted using sample 2. CFI, comparative fit index; TLI, Tucker Lewis index; RMSEA, root mean square error of approximation; CI, confidence interval