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Table 5 Difference statistics for measurement invariance testing

From: The influence of gestational age in the psychometric testing of the Bernese Pain Scale for Neonates

Model Restriction df ∆ RMSEA ∆ CFI ∆ TLI ∆χ2 ∆ df p (∆χ2)
Heel stick phases of measurement points t1-t5 WRLInv 440 0 0.000 0.002 39 40 0.531
OLInv 448 0 − 0.015 − 0.015 115 48 0.000
All phases and measurement points WRLInv 4340 0 −0.007 − 0.006 123 40 0.000
OLInv 4348 0 −0.024 − 0.025 343 48 0.000
  1. Note. WRLInv = within-rater loadings invariance; OLInv = overall loadings invariance; df = degrees of freedom; RMSEA = root mean squared error of approximation; CFI = Bentler’s Comparative Fit Index; TLI = Tucker-Lewis Indices; χ2 = Satorra-Bentler 2010 χ2-test statistic