Table 4. Goodness-of-fit index of the estimated final model for TN. Except root mean square error of approximation (RMSEA) and parsimony normed fit index (PNFI), all other index was in the acceptable range.

Goodness-of-fit index	Criteria	Final model
Probability of χ2	p<0.05	7.87 (p<0.05)
Goodness-of-fit index (GFI)	>0.90	0.97
Adjusted goodness-of-fit index (AGFI)	>0.80	0.80
Comparative fit index (CFI)	>0.90	0.99
Root mean square error of approximation (RMSEA)	<0.08	0.13
Normed fit index (NFI)	>0.90	0.97
Parsimony normed fit index (PNFI)	>0.60	0.20