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Table 6 Goodness-of-fit indices of the analyzed model

From: Development of an observational - perceptual heat strain risk assessment (OPHSRA) index and its validation

index

Name

Threshold of Fitness

Obtained value

Absolute fitness indices

Goodness-of-fit index (GFI)

>  0.9

0.991

Adjusted goodness-of-fit index (AGFI)

>  0.9

0.955

Comparative fitness indices

Normed fit index (NFI)

>  0.9

0.993

Comparative fit index (CFI)

>  0.9

0.998

Incremental fit index (IFI)

0–1

0.998

Normed fit index

Root mean squared error of approximation (RMSEA)

< 0.1

0.049

Normed Chi-square (X2/df)

1–3

1.483

P value

> 0.05

0.217