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Table 4 Factorial invariance of the first-order 3 factor model across grade levels

From: Construct validity and reliability of the physical activity parenting questionnaire for children (PAP-C)

Model

Factorial invariance

χ2

df

∆χ2

∆df

CFI

TLI

RMSEA

SRMR

1

Configural

805.638

501

  

0.927

0.917

0.064

0.093

2

Metrica

814.524

535

38.354

34

0.934

0.930

0.058

0.098

3

Scalarb

879.415

609

100.18

108

0.936

0.940

0.054

0.094

  1. aThe model is compared to model 1. bThe model is compared to model 2