The Swiss Health Insurance Literacy Measure (HILM-CH): Measurement Properties and Cross-Cultural Validation

Table 5 Measurement invariance of HILM-CH across the three main Swiss linguistic regions

Model	Fit indices^a						Model comparison	\(\Delta\)CFI	\(\Delta\)RMSEA	\(\Delta\)SRMR
Model	χ²	df	P value	CFI	RMSEA	SRMR	Model comparison	\(\Delta\)CFI	\(\Delta\)RMSEA	\(\Delta\)SRMR
Baseline
All	4319.33	183	< 0.001	0.977	0.061	0.032
German	2736.84	183	< 0.001	0.979	0.060	0.032
French	1509.93	183	< 0.001	0.969	0.071	0.037
Italian	619.23	183	< 0.001	0.977	0.059	0.070
Model 1 Configural	4959.33	549	< 0.001	0.976	0.063	0.038
Model 2 Metric	3683.35	583	< 0.001	0.983	0.051	0.037	2 vs. 1	0.007	-0.012	-0.001
Model 3 Scalar	5559.53	659	< 0.001	0.974	0.061	0.034	3 vs. 2	-0.009	0.01	-0.003

Note: HILM-CH Swiss Health Insurance Literacy Measure,\(\chi^2\) chi-square values, df = degree of freedom, CFI comparative fit index, RMSEA root mean square error of approximation, SRMR standardized root mean square residuals. Change in fit indices is represented by\(\Delta\). N=6036.
^a Robust values.
Source: Swiss Health Insurance Literacy Survey 2021.

ISSN: 1472-6963