Investigating the factor structure and measurement invariance of the eating disorder examination questionnaire (EDE-Q) among cisgender gay men and lesbian women from the United States

Table 1 Confirmatory Factor Analyses of the tested models

EDE-Q models		Fit indices & model comparison index
EDE-Q models		CFI	RMSEA (CI 90%)	WRMR	ECVI
Model 2. 3-factor model
	Gay men (n = 1060)	.83	.08 (.08, .09)	1.90	0.95
	Lesbian women (n = 528)	.79	.09 (.08, .09)	1.48	1.23
Model 3. 2-factor model
	Gay men (n = 1060)	.83	.08 (.08, .09)	2.02	1.06
	Lesbian women (n = 528)	.79	.09 (.08, .09)	1.54	1.30
Model 4. Full 1-factor model
	Gay men (n = 1060)	.71	.11 (.10, .11)	2.60	1.69
	Lesbian women (n = 528)	.70	.11 (.10, .11)	1.81	1.73
Model 5. Brief 8-item model
	Gay men (n = 1060)	.94	.12 (.11., 13)	1.34	0.09
	Lesbian women (n = 528)	.94	.12 (.10, .14)	0.94	0.12
Model 6. 4-factor model
	Gay men (n = 1060)	.86	.08 (.07, .08)	1.66	0.75
	Lesbian women (n = 528)	.86	.08 ( .07, .08)	1.66	0.75
Model 7. Bi factor model (4 factors and a general factor)
	Gay men (n = 1060)	.85	.08 (.07, .08)	1.75	0.82
	Lesbian women (n = 528)	.80	.09 (.08, .09)	1.41	1.14
Model 8. Brief 3-factor 7-item model
	Gay men (n = 1060)	.99	.06 (.05, .08)	0.76	0.05
	Lesbian women (n = 528)	.98	.07 (.05, .10)	0.62	0.09

CFI Comparative Fit Index; RMSEA root mean square error of approximation; WRMR weighted root mean square residual; ECVI expected cross validation index

ISSN: 2050-2974