TABLE 4.

The results of CFA for different groups.

Model	Variable	The whole sample (n = 367)	TS group (n = 152)	Young group (n = 230)	Old group (n = 137)	The model fit criteria
	χ2/df	7.65	4.9	4.72	9.47	<5, good; <8, accept level
Two-factor model	CFI	0.84	0.86	0.94	0.74	>0.9, good; 0.8–0.9, accept level
	TLI	0.80	0.81	0.92	0.66	>0.9, good; 0.8–0.9, accept level
	AIC	4218.87	1931.38	1315.97	2191.48	N/A
	BIC	4300.88	1993.74	1388.17	2252.80	N/A
	RMSEA	0.09	0.20	0.08	0.29	<0.1
	SRMR	0.04	0.09	0.07	0.14	<0.1

CFI, comparative fit index; TLI, Tucker–Lewis index; AIC, Akaike; BIC, sample-size adjusted Bayesian; RMSEA, root mean square error of approximation; SRMR, standardized root mean square residual.