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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