Eating Disorder Inventory
The Eating Disorder Inventory is a self-report questionnaire used to assess the presence of eating disorders, anorexia nervosa both restricting and binge-eating/purging type; bulimia nervosa; and eating disorder not otherwise specified including binge eating disorder. The original questionnaire consisted of 64 questions, divided into eight subscales. It was created in 1984 by David M. Garner and others. There have been two subsequent revisions by Garner: the Eating Disorder Inventory-2 and the Eating Disorder Inventory-3.
Diagnostic use
The Eating Disorder Inventory is a diagnostic tool designed for use in a clinical setting to assess the presence of an eating disorder. It is generally used in conjunction with other psychological tests such as the Beck Depression Inventory. Depression has been shown to yield higher scores on the EDI-3.Eating Disorder Inventory
The Eating Disorder Inventory comprises 64 questions, divided into eight subscales. Each question is on a 6-point scale, rated 0–3. The score for each sub-scale is then summed.The 8 subscale scores on the EDI are:
- Drive for thinness: an excessive concern with dieting, preoccupation with weight, and fear of weight gain
- Bulimia: episodes of binge eating and purging
- Body dissatisfaction: not being satisfied with one's physical appearance
- Ineffectiveness: assesses feelings of inadequacy, insecurity, worthlessness and having no control over their lives
- Perfectionism: the refusal to accept anything short of perfection
- Interpersonal distrust: reluctance to form close relationships
- Interoceptive awareness: "measures the ability of an individual to discriminate between sensations and feelings, and between the sensations of hunger and satiety"
- Maturity fears: The fear of facing the demands of adult life
Eating Disorder Inventory-2
The first revision of the EDI was in 1991. The 1991 version, Eating Disorder Inventory-2 is used for both males and females over age 12. The EDI-2 retains the original format of the EDI with the inclusion of 27 new items divided into three additional subscales:- Asceticism: reflects the avoidance of sexual relationships
- Impulse regulation: shows the ability to regulate impulsive behavior, especially the binge behaviour
- Social insecurity: estimates social fears and insecurity