Development and validation of dust exposure prevention questionnaire for cardiovascular patients based on the health belief model

Table 3 Fit indices of the CFA of the questionnaire

Model fit index	Default model	Modified model
Chi-Square/Degrees of Freedom Ratio (χ²/df)	1446 / 390 = 3.708 P < 0.001	674 / 306 = 2.20 P < 0.001
Goodness-Of-Fit Index (GFI)	.80	.90
Adjusted Goodness-Of-Fit Index (AGFI)	.75	.90
Incremental fit index (IFI)	.79	.92
Comparative Fit Index (CFI)	.77	.92
Root Mean Square Error of Approximation (RMSEA)	.08	.05

χ ²/df = 2.2, P < 0.001; GFI = 0.90; AGFI = 0.90; IFI = 0.92; CFI = 0.92; RMSEA = 0.05

ISSN: 1471-2458