. Author manuscript; available in PMC: 2023 Mar 8.

Published in final edited form as: Eval Health Prof. 2020 Mar 13;44(4):348–361. doi: 10.1177/0163278720910470

Table 2.

Confirmatory Factor Analysis Fit Statistics and Comparison of the Bifactor to the Uni- and Multidimensional Models (n = 3296)

Model	χ² (df)	CFI	RMSEA	SRMR	ω	Δχ² (df)	ΔCFI	ΔRMSEA	ΔSRMR
ACE	508.04 (35)^*	.958	.064	.072	.757
Perceived Stress	515.55 (14)^*	.979	.104	.033	.857
Chronic Stress	273.61 (20)^*	.879	.062	.075	.586
Discrimination	2885.65 (119)^*	.903	.084	.098	.901
Acculturation	6008.80 (119)^*	.793	.123	.141	.861
Unidimensional	35755.36 (1652)^*	.613	.079	.122	.922	11738.40 (59)^*	−.299	.041	.055
Multidimensional	12536.08 (1642)^*	.876	.045	.079	.936	1572.70 (49)^*	−.035	.006	.011
Bifactor	9374.71 (1593)^*	.912	.039	.068	.937	-	-	-	-

Note. ACE = Adverse Childhood Experiences. Mean and variance adjusted χ² used for fit and Satorra-Bentler (2001) scaled difference test statistic (Δχ²) used for model comparisons.

p < .001.