. 2020 May 26;20:466. doi: 10.1186/s12913-020-05326-y

Table 3.

The fit model indices of CFA of PEMS

Indices^a Model	χ²	df	P value	CMIN/DF	RMSEA	PCFI	PNFI	IFI	CFI	AGFI	GFI
Original scale (3 factors)	398.661	132	< .001	3.020	0.073	0.714	0.660	0.830	0.827
Modified model (5 factors)	172.383	109	< .001	1.581	.039	0.768	0.718	0.959	0.958	0.931	0.951

Indices^a
Model

χ²

P value

CMIN/DF

RMSEA

PCFI

PNFI

IFI

CFI

AGFI

GFI

Original scale

(3 factors)

398.661

132

< .001

3.020

0.073

0.714

0.660

0.830

0.827

Modified model

(5 factors)

172.383

109

< .001

1.581

.039

0.768

0.718

0.959

0.958

0.931

0.951

^aAcceptable values are as follows: > 0.5 for PNFI, PCFI, AGFI; > 0.9 for CFI and IFI; > 0.08 for RMSEA; and > 0.5 for CMIN/DF