Psychometric properties of the self-efficacy scale for chronic disease management (SEMCD-S) in older Colombian adults

Table 3 Measurement invariance of the Spanish version of the SEMCD-S according to socio-demographic characteristics

Variable	Invariance	χ² (df)	χ²/df	CFI	TLI	SRMR	Δχ² (Δdf)	ΔCFI
Sex	Configural	4.873^† (2)	2.437	0.994	0.963	0.009	NA	NA
	Metric	5.876^† (5)	1.175	0.997	0.993	0.046	2.096^† (3)	0.003
	Scalar	8.177^† (8)	1.022	1.000	1.001	0.049	1.734^† (3)	0.003
Town	Configural	6.382^† (3)	2.127	0.993	0.959	0.014	NA	NA
	Metric	12.633^† (9)	1.404	0.989	0.978	0.078	7.217^† (3)	0.004
	Scalar	23.957^† (15)	1.597	0.978	0.973	0.088	12.884^* (3)	0.011
Civil status	Configural	6.357^† (3)	2.119	0.996	0.973	0.009	NA	NA
	Metric	11.327^† (9)	1.259	0.996	0.991	0.031	5.945^† (6)	0.000
	Scalar	15.515^† (15)	1.034	0.999	0.999	0.033	3.800^† (6)	0.003
Who live with	Configural	6.560^* (2)	3.280	0.993	0.957	0.008	NA	NA
	Metric	4.313^† (5)	0.863	1.000	1.004	0.011	0.150^† (3)	0.007
	Scalar	5.764^† (8)	0.721	1.000	1.007	0.013	1.100^† (3)	0.000
Academic level	Configural	3.725^† (2)	1.863	0.996	0.975	0.006	NA	NA
	Metric	4.827^† (5)	0.965	1.000	1.001	0.031	1.842^† (3)	0.004
	Scalar	5.796^† (8)	0.725	1.000	1.009	0.032	0.230^† (3)	0.000
Economic level	Configural	2.881^† (2)	1.441	0.998	0.986	0.008	NA	NA
	Metric	2.801^† (5)	0.560	1.000	1.020	0.027	0.611^† (3)	0.002
	Scalar	6.360^† (8)	0.795	1.000	1.008	0.033	4.804^† (3)	0.000
Health system	Configural	1.643^† (2)	0.822	1.000	1.006	0.008	NA	NA
	Metric	5.827^† (5)	1.165	0.998	0.995	0.039	4.112^† (3)	0.002
	Scalar	10.131^† (8)	1.266	0.995	0.992	0.038	4.530^† (3)	0.003
Medication	Configural	8.998^* (2)	4.499	0.991	0.945	0.008	NA	NA
	Metric	10.533^† (5)	2.107	0.991	0.980	0.015	2.621^† (3)	0.000
	Scalar	12.048^† (8)	1.506	0.994	0.990	0.015	1.688^† (3)	0.003

χ²: chi-square statistics. df: degrees of freedom. χ²/df: normed chi-square statistics. CFI: comparative fit index. TLI: Tucker-Lewis index. SRMR: standardised root means square residual. Δ: delta symbol indicating the difference between compared indices. Three decimal places have been used to increase accuracy. ^†p > .05, ^*p < .05

ISSN: 2050-7283