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

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

	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

CFI, comparative fit index; df, degrees of freedom; RMSEA, root mean square error of approximation; SRMR, standardized root mean square residual
^a χ² p-values are all < 0.001

ISSN: 1477-7525