Hospital-acquired insomnia scale: A validity and reliability study

Table 4 Confirmatory factor analysis goodness of fit indices and normal values

Index	Normal value	Acceptable value	Measurement	Result
χ2/P Value	> 0.05	-	0.001	Perfect fit
χ2/SD (CMIN/DF)	< 2	< 5	1.874	Perfect fit
GFI	> 0.95	> 0.90	0.900	Acceptable fit
AGFI	> 0.95	> 0.85	0.861	Acceptable fit
CFI	>0.95	> 0.90	0.933	Acceptable fit
RMSEA	< 0.05	< 0.08	0.0.070	Acceptable fit
RMR	< 0.05	< 0.08	0.039	Perfect fit
SRMR	< 0.05	< 0.08	0.0600	Acceptable fit
NFI	> 0.95	> 0.80	0.869	Acceptable fit
TLI	0.95 < TLI < 1	0.90 < TLI < 0.94	0.917	Acceptable fit
IFI	> 0.90	-	0.934	Perfect fit
PGFI	> 0.89	> 0.50	0.648	Acceptable fit
PNFI	> 0.89	> 0.50	0.699	Acceptable fit

CMIN/DF: Chi-square fit statistic/degree of freedom; GFI: Goodness of fit index; AGFI: Adjusted goodness of fit index; CFI: Comparative fit index; RMSEA: Root mean square error of approximation; RMR: Root mean square residual; SRMR: Standardized root mean square residual; NFI: Normed fit index; TLI: Tucker–Lewis index; IFI: Incremental fit index; PGFI: Parsimony goodness of fit index; PNFI: Parsimony normed fixed index.