Table 3.

Tested models and goodness-of-fit indices

	χ2	df	Δχ2	Δdf	CFI	TLI	RMSEA	ΔCFI	ΔTLI	ΔRMSEA
Models in each group
Gender
Female	10.939*	5			.993	.986	.055
Male	8.287*	5			.995	.990	.046
Age
24 or younger	16.657*	5			.979	.958	.079
Older than 24	2.037	5			.00	1.01	.000
Marital status (partial scalar)
Single	19.008*	5			.986	.971	.078
In a relationship	11.612*	5			.990	.979	.074
Educational level
High school or lower	14.117*	5			.999	.998	.067
Higher than high school	13.695*	5			.989	.977	.075
Global models
Gender
Configural	19.226*	10	-	-	.994	.988	.051	-	-	-
Metric	24.529*	14	5.302	4	.993	.990	.046	− .001	.002	− .005
Scalar	38.716*	18	14.187	4	.987	.985	.057	− .006	− .005	.009
Age
Configural	23.909*	10	-	-	.992	.983	.063	-	-	-
Metric	26.742*	14	2.833	4	.992	.989	.051	.000	.006	− .012
Scalar	39.091*	18	12.350	4	.987	.986	.057	− .005	− .003	.006
Marital status
Configural	30.620*	10	-	-	.987	.974	.077	-	-	-
Metric	34.304*	14	3.683	4	.987	.982	.064	.000	.008	.013
Scalar	58.117*	18	23.813	4	.975	.972	.080	− .012	− .010	− .016
Partial scalar	36.164*	17	1.860	3	.988	.986	.057	.001	.004	.007
Educational level
Configural	28.076*	10	-	-	.989	.977	.072	-	-	-
Metric	31.849*	14	3.772	4	.989	.984	.060	.000	.007	− .012
Scalar	47.429*	18	15.580	4	.982	.979	.068	− .007	− .005	.008

df degrees of freedom, χ² Chi square, Δχ² difference in Chi square, Δdf difference in degrees of freedom, CFI comparative fit index, TLI Tucker–Lewis index, RMSEA root mean square error of approximation, ΔCFI difference in comparative fit index, ΔTLI difference in Tucker-Lewis index, ΔRMSEA difference in root mean square error of approximation

^*All of χ² are p < .001