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Table 3 Measurement invariance tests

From: Measurement invariance properties and external construct validity of the short Warwick-Edinburgh mental wellbeing scale in a large national sample of secondary school students in Wales

Model constraints

CFI

RMSEA

Degrees of freedom

χ2

χ2 difference

p-value

Configural

0.979

0.078

70

3808.5

  

Loadings

0.983

0.060

94

4014.0

204.1

< 0.001

Loadings, thresholds

0.978

0.051

174

6049.5

2480.6

< 0.001

Loadings, thresholds, residuals

0.958

0.064

202

11,812.5

6169.4

< 0.001