Eating disorder a given year. Anorexia affects about 0.4% and bulimia affects about 1.3% of young women in a given year. Up to 4% of women have anorexia, 2% have bulimia, and 2% have binge eating disorder at some point in time. Anorexia and bulimia occur nearly ten times more often in females than males. Typically, they begin in late childhood or early adulthood. Rates of other eating disorders are not clear. Rates of eating disorders appear to be lower in less developed countries. Bulimia nervosa is a disorder characterized by binge eating and purging, as well as excessive evaluation of one's
Eating Disorder Inventory for use in a clinical setting to assess the presence of an eating disorder. Due to high comorbity associated with eating disorders 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. The Eating disorder inventory (EDI) comprises 64 questions, divided into eight subscales. Each question is on a 6-point scale (ranging from 'always' to 'never'), rated 0-3. The score for each sub-scale is then summed. The 8 subscale scores on the EDI are:<br> 1. Drive for thinness (DT): An excessive concern with