Table 3.

Internal consistencies and intercorrelations in the subsamples and subscales

	α	IEDQOL-P	IEDQOL-PC	IEDQOL-F	IEDQOL-WS	IEDQOL-I
Anorexia nervosa
IEDQOL-P	0.884	–
IEDQOL-PC	0.821	0.657**	–
IEDQOL-F	0.829	0.308**	0.280**	–
IEDQOL-WS	0.820	0.555**	0.588**	0.390**	–
IEDQOL-I	0.755	0.208*	0.113*	0.369**	0.335**	–
IEDQOL-TS	0.920	0.860**	0.843**	0.541**	0.798**	0.392**
Bulimia nervosa
IEDQOL-P	0.935	–
IEDQOL-PC	0.852	0.746**	–
IEDQOL-F	0.821	0.298*	0.319*	–
IEDQOL-WS	0.805	0.701**	0.511**	0.336**	–
IEDQOL-I	0.704	0.287*	0.110*	0.114*	0.189*	–
IEDQOL-TS	0.934	0.935**	0.867**	0.470**	0.760**	0.330*
Binge eating disorder
IEDQOL-P	0.825	–
IEDQOL-PC	0.924	0.713**	–
IEDQOL-F	0.751	0.465*	0.280	–
IEDQOL-WS	0.710	0.289*	0.473**	0.596**	–
IEDQOL-I	0.761	0.225*	0.819*	0.635**	0.280*	–
IEDQOL-TS	0.932	0.909**	0.881**	0.503**	0.599**	0.567**
OSFED
IEDQOL-P	0.816	–
IEDQOL-PC	0.814	0.790**	–
IEDQOL-F	0.894	0.529**	0.544**	–
IEDQOL-WS	0.864	0.421*	0.364*	0.719*	–
IEDQOL-I	0.869	0.396*	0.368*	0.312*	0.360*	–
IEDQOL-TS	0.909	0.939**	0.911**	0.644**	0.481*	0.551*
Healthy control
IEDQOL-P	0.936	–
IEDQOL-PC	0.832	0.666**	–
IEDQOL-F	0.805	0.360**	0.484**	–
IEDQOL-WS	0.798	0.510**	0.602**	0.674**	–
IEDQOL-I	0.756	0.351**	0.330**	0.155**	0.310**	–
IEDQOL-TS	0.927	0.902**	0.875**	0.533**	0.694**	0.542**

α Cronbach’s α, IEDQOL Italian eating disorders quality of life, P psychological, PC physical/cognitive, F financial, WS work/school, I interpersonal, TS total score

*p < 0.05

**p < 0.001