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Table 4 Fit statistics for measurement equivalence/invariance of WHO-5 scores across gender groups

From: Assessing mental well-being in a Sinhala speaking Sri Lankan population: validation of the WHO-5 well-being index

    

∆χ2

     

Model

χ2

df

p

∆χ2

∆DF

p

CFI

∆CFI

TLI

RMSEA

RAMSEA CI

∆RMSEA

1.Configural invariance

27.38

21

0.15

–

–

–

0.997

–

0.997

0.048

0.000–0.093

–

2.Metric invariance

35.35

25

0.08

9.78

4

0.04

0.995

0.002

0.996

0.056

0.000–0.095

0.008

3.Scalar invariance

45.30

34

0.09

13.00

9

0.06

0.994

0.003

0.997

0.050

0.000–0.085

0.002

4.Strict invariance

55.24

39

0.04

14.74

5

0.01

0.992

0.005

0.996

0.056

0.010–0.088

0.008

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