Predictors and long-term health outcomes of eating disorders

Katie M O'Brien, Denis R Whelan, Dale P Sandler, Janet E Hall, Clarice R Weinberg, Katie M O'Brien, Denis R Whelan, Dale P Sandler, Janet E Hall, Clarice R Weinberg

Abstract

Anorexia and bulimia nervosa may have long-term effects on overall and reproductive health. We studied predictors of self-reported eating disorders and associations with later health events. We estimated odds ratios (ORs) for these associations in 47,759 participants from the Sister Study. Two percent (n = 967) of participants reported a history of an eating disorder. Risk factors included being non-Hispanic white, having well-educated parents, recent birth cohort (OR = 2.16, 95% confidence interval [CI]: 2.01-2.32 per decade), and having a sister with an eating disorder (OR = 3.68, CI: 1.92-7.02). As adults, women who had experienced eating disorders were more likely to smoke, to be underweight, to have had depression, to have had a later first birth, to have experienced bleeding or nausea during pregnancy, or to have had a miscarriage or induced abortion. In this descriptive analysis, we identified predictors of and possible long-term health consequences of eating disorders. Eating disorders may have become more common over time. Interventions should focus on prevention and mitigation of long-term adverse health effects.

Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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