Table 4.

Fit indices of the confirmatory factor analysis model of the Persian version of the Nordic Safety Climate Questionnaire

Model fit index	Computed index	Acceptable criterion [14]
Chi-square (df)	1.9 (2,059/1,059)	< 2.00
Comparative fit index	0.93	> 0.90
Incremental fit index	0.92	> 0.90
Standardized root-mean-square residual	0.51	≤ 0.5
Non-normed fit index	0.89	No absolute criterion
Root-mean-square error of approximation	0.047	≤ 0.05

df, degrees of freedom.