Assessment of quality of life in people with severe and enduring anorexia nervosa: a comparison of generic and specific instruments

Table 1 Convergent validity of the SF-12 and EDQOL

	SF-12 PCS	SF-12 MCS	EDQOL psychological	EDQOL physical/cognitive	EDQOL financial	EDQOL work/school
*No Covariates*
WSAS	−0.36**	−0.63**	0.70**	0.66**	0.29*	0.59**
DOR	−0.31*	−0.35**	0.19	0.53**	0.06	0.51**
EDE-G	−0.01	−0.37**	0.48**	0.41**	0.15	0.42**
EDE-R	0.12	−0.31**	0.41**	0.28*	0.16	0.24
EDE-EC	−0.23	−0.33**	0.46**	0.45**	0.19	0.42**
EDE-WC	0.03	−0.36**	0.40**	0.33**	−0.01	0.38**
EDE-SC	0.01	−0.25*	0.35**	0.31*	0.17	0.39**
*Covarying for Axis I Comorbidity*
WSAS	−0.25	−0.43**	0.57**	0.52**	0.28*	0.51**
DOR	−0.25	−0.08	0.14	0.45**	−0.08	0.31*
EDE-G	0.11	−0.05	0.25	0.20	−0.05	0.18
EDE-R	0.21	−0.13	0.26	0.12	0.03	0.08
EDE-EC	−0.10	−0.09	0.31*	0.29*	0.05	0.23
EDE-WC	0.13	0.04	0.09	0.09	−0.22	0.08
EDE-SC	0.07	0.03	0.14	0.16	−0.02	0.19

**p < 0.01, *p < 0.05; SF-12 = Medical Outcomes Study Short Form; PCS = Physical Component Summary Scale; MCS = Mental Component Summary Scale; EDQOL = Eating Disorders Quality of Life Questionnaire; WSAS = Work and Social Adjustment Scale; DOR = days out of role; EDE = Eating Disorders Examination; R = Restraint subscale; EC = Eating Concerns subscale; WC = Weight Concerns subscale; SC = Shape Concerns subscale; G = Global scale.

ISSN: 1471-244X