Psychometric properties of the Persian version of the COVID-19 Phobia Scale (C19P-S)

BMC Psychiatry

Table 3 Goodness of fit indexes results from confirmatory factor analysis (n = 220)

Indexes*	Cut off values	First order	Second order
CMIN/df	< 3	1.929	1.929
P value**	≥ 0.05	0.0001	0.0001
RFI	≥ 0.90	0.91	0.91
TLI	≥ 0.95	0.96	0.96
IFI	≥ 0.90	0.96	0.96
CFI	≥ 0.95	0.96	0.96
PCFI	≥ 0.5	0.83	0.83
PNFI	≥ 0.5	0.79	0.79
RMSEA	≤ 0.08	0.06	0.06

^* Abbreviations: CMIN/DF Minimum Discrepanscy Funcation by degrees of freedom divided, RFI Relative Fit Index, TLI Tucker –Lewis Index, IFI Incremental Fit Index, CFI Comparative Fit Index, PCFI Parsimonious Comparative Fit Index, PNFI Parsimonious Normed Fit Index, RMSEA Root Mean Square Error of Approximation
^** Derived from chi-square test (χ²), which is one of the measures for fit indexes in structural equation modeling (SEM). A non-significant result for this test indicates a good model fit

ISSN: 1471-244X