Eating disorder predisposition toward eating disorders as a result of Mendelian inheritance. Twin studies have found a slight instances of genetic variance when considering the different criterion of both anorexia nervosa and bulimia nervosa as endophenotypes contributing to the disorders as a whole. A genetic link has been found on chromosome 1 in multiple family members of an individual with anorexia nervosa. An individual who is a first degree relative of someone who has had or currently has an eating disorder is seven to twelve times more likely to have an eating disorder themselves. Twin studies also show that at least a
Eating Disorder Examination Interview over a 28-day period. The test is scored on a 7-point scale from 0-6. With a zero score indicating not having engaged in the questioned behavior. The Eating Disorders Examination Questionnaire (EDE-Q) was adapted from the EDE. The EDE-Q is a 41 item self-report questionnaire. It retains the format of the EDE including the 4 subscales and global score. It also concerns behaviors over a 28-day time period and retains the scoring system of 0-6, with 0 indicating no days, 1=1–5 days, 2=6–12 days, 3=13–15 days, 4=16–22 days, 5=23–27 days and 6= every day. Eating Disorder Examination Interview The Eating