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Table 4 Findings of first and second order confirmatory factor analysis for CSS-Arabic

From: Psychometric characteristics of the of COVID Stress Scales-Arabic version (CSS-Arabic) in Egyptian and Saudi university students

Measurement χ2 df χ2/df SRMR CFI TLI RMSEA
First-order confirmatory factor analysis
 CSS-Arabic 2642.742 584 4.525 0.05 0.91 0.90 0.07
Second-order confirmatory factor analysis
 CSS-Arabic 2681.171 586 4.575 0.05 0.90 0.90 0.08
  1. RMR Root mean square residual, CFI Bentler’s Comparative Fit Index, TLI Tucker-Lewis index, RMSEA Root mean square error of approximation