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Table 4 Goodness of fit and internal consistency indices of the five models

From: Factor structure, measurement invariance and psychometric properties of the Quality of Life Scale WHOQOL-BREF in the Ecuadorian context

Model Α ω ωH AVE χ2 df p value CFI TLI SRMR RMSEA RMSEA 90% CI PNFI PGFI
Model 1 Factor 1 0.724 0.662 0.651 0.651 19332.150 252 < .001 0.352 0.290 0.292 0.392 0.388 0.397 0.319 0.394
Factor 2 0.805 0.785 0.790 0.790
Factor 3 0.723 0.703 0.703 0.703
Factor 4 0.848 0.832 0.857 0.857
Model 2 Factor 1 0.724 0.687 0.717 0.364 1319.750 246 < .001 0.964 0.959 0.075 0.094 0.089 0.099 0.852 0.642
Factor 2 0.805 0.788 0.800 0.451
Factor 3 0.723 0.689 0.697 0.497
Factor 4 0.848 0.827 0.843 0.440
Model 3 Factor 1 0.724 0.687 0.717 0.364 1330.290 248 < .001 0.963 0.959 0.076 0.094 0.089 0.099 0.858 0.647
Factor 2 0.805 0.788 0.800 0.451
Factor 3 0.723 0.689 0.697 0.497
Factor 4 0.848 0.827 0.843 0.440
Model 4 Factor 1 0.829 0.812 0.835 0.435 802.120 249 < .001 0.981 0.979 0.060 0.067 0.062 0.072 0.878 0.658
Factor 2 0.915 0.901 0.924 0.447
Factor 3 0.773 0.726 0.726 0.631
Model 5 Factor 1 0.893 0.874 0.888 0.460 702.710 246 <. 001 0.984 0.983 0.058 0.061 0.056 0.067 0.870 0.651
Factor 2 0.773 0.725 0.725 0.632
Factor 3 0.831 0.818 0.851 0.411
Factor 4 0.804 0.769 0.780 0.612
  1. α, Cronbach’s alpha; ω, omega; ωH, hierarchical omega; AVE, average variance extracted