Psychometric evaluation of the muscle dysmorphic disorder inventory (MDDI) among gender-expansive people

Table 3 Internal consistency, descriptive statistics, and Spearman correlations in the first and second split-half subsamples of gender expansive participants (N = 1031) from The PRIDE Study

		First split-half sample of gender expansive participants		Second split-half sample of gender expansive participants		1	2	3	4	5	6	7	8
		(n = 515)		(n = 516)
		Omega (95% CI)	M (SD)	Omega (95% CI)	M (SD)
1	MDDI DFS	0.80 (0.76, 0.83)	8.27 (3.83)	0.81 (0.76, 0.86)	8.31 (3.87)		− 0.18**	0.13**	− 0.09*	− 0.08*	− 0.24**	− 0.16**	− 0.18**
2	MDDI AI	0.77 (0.73, 0.80)	12.92 (3.95)	0.80 (0.77, 0.82)	12.71 (4.13)	− 0.11*		0.17**	0.48**	0.63**	0.75**	0.80**	0.78**
3	MDDI FI	0.86 (0.78, 0.90)	6.10 (3.08)	0.81 (0.76, 0.86)	6.20 (3.10)	0.21**	0.18**		0.37**	0.28**	0.30**	0.29**	0.33**
4	EDE-Q R	0.85 (0.83, 0.86)	1.28 (1.49)	0.86 (0.83, 0.88)	1.24 (1.49))	− 0.07	0.41**	0.36**		0.57**	0.65**	0.64**	0.77**
5	EDE-Q EC	0.85 (0.82, 0.87)	1.03 (1.26)	0.86 (0.82, 0.88)	1.02 (1.28)	− 0.09*	0.55**	0.34**	0.55**		0.73**	0.75**	0.81**
6	EDE-Q WC	0.85 (0.83, 0.87)	2.24 (1.57)	0.87 (0.85, 0.88)	2.15 (1.69)	− 0.20**	0.73**	0.27**	0.58**	0.69**		0.91**	0.95**
7	EDE-Q SC	0.90 (0.88, 0.91)	2.64 (1.61)	0.91 (0.90, 0.92)	2.55 (1.69)	− 0.08*	0.79**	0.32**	0.56**	0.67**	0.86**		0.96**
8	EDE-Q G	0.94 (0.93, 0.95)	1.95 (1.32)	0.95 (0.94, 0.96)	1.89 (1.41)	− 0.12**	0.76**	0.36**	0.74**	0.78**	0.92**	0.94**

MDDI DFS MDDI Drive for Size subscale, MDDI AI MDDI Appearance Intolerance subscale, MDDI FI MDDI Functional Impairment subscale, EDE-Q R EDE-Q Restraint subscale, EDE-Q EC EDE-Q Eating Concern subscale, EDE-Q WC EDE-Q Weight Concern subscale, EDE-Q SC EDE-Q Shape Concern subscale, EDE-Q G EDE-Q Global Score
Correlations for the first split-half sample are located below the diagonal. Correlations for the second split-half sample are located above the diagonal
*p < 0.05
**p < 0.01

ISSN: 2050-2974