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Table 5 Measurement invariance of the WHOQOL-BREF

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

Model RMSEAt RMSEA cutoff values
0.01 0.05 0.08 0.1
Equality of population covariance 0.046 0.020 0.056 0.089 0.111
Configural model (group 1: men) 0.057 0.021 0.056 0.088 0.11
Configural model (group 2: women) 0.089 0.021 0.056 0.088 0.11
Metric invariance 0.061 0.04 0.07 0.098 0.117
Residual invariance 0.072 0.038 0.068 0.096 0.116
Factor variance–covariance 0.068 0.05 0.078 0.107 0.126
Scalar invariance 0.075 0.04 0.07 0.098 0.117
Strong means invariance 0.146 0.069 0.095 0.124 0.143
Strict residual invariance 0.073 0.038 0.068 0.096 0.116
Strict means invariance 0.146 0.069 0.095 0.124 0.143