Table 1.

Fit indices for five exploratory structural equation models.

Item Number	χ 2	d.f.	CFI	TLI	RMSEA	90% C.I.
27	745.964 ***	273	0.898	0.868	0.077	0.070–0.083
18	298.691 ***	102	0.935	0.902	0.081	0.070–0.092
15 a	182.410 ***	63	0.949	0.915	0.080	0.067–0.094
15 b	126.610 ***	62	0.972	0.953	0.059	0.045–0.074
14 c	110.787 ***	52	0.974	0.954	0.062	0.046–0.078

Note. *** p < 0.001. A correlated residual variance between items 10 and 18 was included in the model ^b, but not in the model ^a. ^c The fit indices of the 14-item exploratory structural equation model (ESEM) are the same as those of the ESEM-within-CFA model with a second-order factor. CFI = comparative fit index; TLI = Tucker–Lewis index; RMSEA = root mean square error of approximation; 90% C.I. = RMSEA 90% confidence interval.