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
Disordered eating study participants also reporting poor emotional awareness, expression, and regulation in relation to internalized/externalized eating disordered habits. Parental anxiety/depression could not be directly linked to disordered eating, but could be linked to the development of poor coping skills that can lead to disordered eating behaviors. Another study specifically investigated whether a parental's eating disorder could predict disordered eating in their children. It was found that rates of eating disorder appearances in children with either parent or the mother having a history of an eating disorder were much higher than those with parents without an eating disorder. Reported disordered eating peaked