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Table 5 Measurement invariance of MSQOL-54 across gender and age

From: Viability of a MSQOL-54 general health-related quality of life score using bifactor model

  χ2 (df)a RMSEA CFI SRMR ΔRMSEA ΔCFI ΔSRMR
Male 4658.7 (1225) 0.054 0.891 0.063    
Female 11,160.1 (1225) 0.055 0.893 0.062    
Configural invariance 15,829.7 (2450) 0.055 0.892 0.063    
Metric invariance 16,126.6 (2538) 0.054 0.891 0.065  − 0.001  − 0.001 0.002
Scalar invariance 16,598.8 (2579) 0.055 0.887 0.065 0.001  − 0.004 0.000
Adults < 44 years old 7253.1 (1225) 0.053 0.890 0.056    
Adults ≥ 44 years old 7811.9 (1225) 0.054 0.895 0.061    
 Configural invariance 15,047.9 (2450) 0.054 0.893 0.059    
 Metric invariance 15,588.1 (2538) 0.054 0.889 0.063 0.000  − 0.004 0.004
 Scalar invariance 16,084.7 (2579) 0.054 0.885 0.063 0.000  − 0.002  − 0.004
  1. CFI, comparative fit index; df, degrees of freedom; RMSEA, root mean square error of approximation; SRMR, standardized root mean square residual
  2. a χ2 p-values are all < 0.001