Evaluation of reliability and validity of the Persian version of Peters et al. delusions inventory (PDI-40) in iranian non-clinical and clinical samples

Table 4 Confirmatory Factor Analysis (CFA) and Fit indexes for a nine-factor structure (n = 764)

model		RMSEA (CI 90%)	X²	SRMR	CFI	NFI	IFI	RFI	AGFI	GFI
non-clinical sample	Nine factors model	0.049 (0.047–0.052)	2003.6	0.049	0.97	0.92	0.97	0.95	0.86	0.89
female	Nine factors model	0.050 (0.047–0.053)	1565.51	0.054	0.96	0.93	0.96	0.93	0.84	0.86
male	Nine factors model	0.066(0.061–0.070)	1528.78	0.064	0.95	0.91	0.95	0.90	0.74	0.78
non-clinical sample	Single factor	0.078(0.075–0.080)	4144.94	0.060	0.94	0.92	0.94	0.92	0.76	0.79

Legend: X² = Chi-Square, RMSEA: Root Mean Square Error of Approximation; SRMR: Standardized RMR; CFI: Comparative Fit Index; NFI: Normed Fit Index; IFI: Incremental Fit Index; RFI: Relative Fit Index; AGFI: Adjusted Goodness of Fit Index; GFI: Goodness of Fit Index.

ISSN: 2050-7283