期刊
CURRENT OPINION IN PSYCHIATRY
卷 34, 期 6, 页码 515-524出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/YCO.0000000000000739
关键词
anorexia nervosa; bulimia nervosa; epidemiology; mortality
类别
The incidence of anorexia nervosa and bulimia nervosa may be influenced by age and gender, and their epidemiological characteristics exist globally. Both disorders may carry a five times or more increased mortality risk.
Purpose of review To review the recent literature on the epidemiology of anorexia nervosa and bulimia nervosa in terms of incidence, prevalence and mortality. Recent findings Although the overall incidence rate of anorexia nervosa is considerably stable over the past decades, the incidence among younger persons (aged <15 years) has increased. It is unclear whether this reflects earlier detection or earlier age of onset. Nevertheless, it has implications for future research into risk factors and for prevention programs. For bulimia nervosa, there has been a decline in overall incidence rate over time. The lifetime prevalence rates of anorexia nervosa might be up to 4% among females and 0.3% among males. Regarding bulimia nervosa, up to 3% of females and more than 1% of males suffer from this disorder during their lifetime. While epidemiological studies in the past mainly focused on young females from Western countries, anorexia nervosa and bulimia nervosa are reported worldwide among males and females from all ages. Both eating disorders may carry a five or more times increased mortality risk. Anorexia nervosa and bulimia nervosa occur worldwide among females and males of all age groups and are associated with an increased mortality risk.
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