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Table 3 Goodness of fit indices of CHSSS model

From: Development and psychometric properties of COVID-19 related Healthcare Student stress scale (CHSSS)

Fit Index type

Observed value

Acceptable value

Fit level

Relative χ2 fit index

1.08

< 3

Good fit

GFI

0.92

≥ 0.9

Good fit

IFI

0.98

≥ 0.9

Good fit

CFI

0.95

≥ 0.9

Good fit

NFI

0.91

≥ 0.9

Good fit

NNFI

0.97

≥ 0.9

Good fit

SRMR

0.04

≤ 0.05

Good fit

RMSEA

0.03

≤ 0.05

Good fit