Table 6.

Fit Statistics of the Perceived Stress Scale-10 (PSS-10) in Saudi University Students

Models	AIC	PNFI	CFI	TLI	RMSEA	χ2	df	p	χ2/df
1-Factor	233.33	0.39	0.65	0.45	0.14 (0.12–0.17)	173.33	35	0.00	4.95
2-Factor	133.42	0.52	0.91	0.85	0.08 (0.05–0.10)	71.42	34	0.00	2.10

Abbreviations: AIC, Akaike information criterion; PNFI, parsimony normed fit index; CFI, comparative fit index; TLI, Tucker–Lewis index; RMSEA, root-mean-square error of approximation.