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Table 3 Fit statistics of the Perceived Stress Scale (PSS-10 & PSS-4) in Ethiopian university students

From: Psychometric properties of the perceived stress scale in Ethiopian university students

Models CFI WRMR RMSEA χ2# df p χ2/df
PSS-10
 A .891 .088 .102 (.070–.123) 175.459 35 <.001 5.014
 B .989 .034 .038 (.017–.046) 40.235 26 .037 1.548
PSS-4
 C .723 .100 .198(.122–.285) 32.317 2 <.001 16.158
 D .976 .000 .083(.000–.182) 3.680 1 .055 3.680
  1. #: Robust Mean and Variance-Adjusted Chi Square
  2. CFI: Comparative Fit Index, WRMR: Weighted root mean square residual, RMSEA: root mean square error of approximation
  3. PSS-10 models; A: 1-F model, B: 2-F model
  4. PSS-4 models; C: 1-F model, D: 2-F model