Development and psychometric evaluation of a new brief scale to measure eHealth literacy in people with type 2 diabetes

Table 3 Multiple indices for the measurement invariance of the CeHLS-D across the sex, age, and glycemic control status groups

Invariance model	χ²	df	CFI	SRMR	RMSEA	\(\varDelta\)CFI	\(\varDelta\)SRMR	\(\varDelta\)RMSEA
Gender
Configural	156.860*	68	0.976	0.035	0.054	NA	NA	NA
Metric	164.465*	76	0.976	0.036	0.051	0.000	0.001	−0.003
Age
Configural	163.453*	68	0.972	0.040	0.056	NA	NA	NA
Metric	185.904*	76	0.968	0.043	0.057	−0.004	0.003	0.001
Glycemic control status
Configural	155.624*	68	0.976	0.038	0.053	NA	NA	NA
Metric	157.983*	76	0.978	0.038	0.049	0.002	0.000	−0.004

CFI = comparative fit index; df = degrees of freedom; SRMR = standardized root mean square residual; RMSEA = root mean square error of approximation; \(\varDelta\): change in the value compared with that in the configural model; NA: not available
* p < .001

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