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LONGITUDINAL ASSOCIATION BETWEEN BINGE EATING AND METABOLIC SYNDROME IN ADULTS: FINDINGS FROM THE ELSA-BRASIL COHORT
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University College London. Division of Psychiatry. London, UK.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Departamento de Epidemiologia e Métodos Quantitativos em Saúde. Rio de Janeiro, RJ, Brasil.
University College London. Division of Psychiatry. London, UK.
Universidade Federal do Rio Grande do Sul. Escola de Medicina. Programa de Pós-Graduação em Epidemiologia. Porto Alegre, RS, Brasil.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Departamento de Epidemiologia e Métodos Quantitativos em Saúde. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Educação em Ambiente e Saúde. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Departamento de Epidemiologia e Métodos Quantitativos em Saúde. Rio de Janeiro, RJ, Brasil.
University College London. Division of Psychiatry. London, UK.
Universidade Federal do Rio Grande do Sul. Escola de Medicina. Programa de Pós-Graduação em Epidemiologia. Porto Alegre, RS, Brasil.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Departamento de Epidemiologia e Métodos Quantitativos em Saúde. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Educação em Ambiente e Saúde. Rio de Janeiro, RJ, Brasil.
Abstract
Objective: Individuals with bulimia nervosa and binge eating disorder have
greater cardiovascular morbidity than the general population. Longitudinal re search on the association between binge eating and metabolic syndrome is lim ited. We tested the longitudinal association between binge eating and metabolic
syndrome and its components in a large population sample of Brazilian adults.
Methods: We used data from Brazilian Longitudinal Study of Adult Health
(ELSA-Brasil, N = 15,105). To test for the association between binge eating at
baseline (2008–2010) and metabolic syndrome at follow-up (2012–2014), we used
univariable and multivariable logistic regression models progressively adjusting
for potential socio-demographic confounders, number of metabolic syndrome
components, and body mass index (BMI) at baseline.
Results: In total, 13,388 participants (54.8% female; 52.2% white) had complete
data on all variables of interest. Binge eating was associated with increased odds
of metabolic syndrome at follow-up (odds ratio (OR):1.66, 95% confidence inter vals (CI): 1.44, 1.75). However, the size of this association was attenuated after in cluding number of metabolic syndrome components at baseline (OR:1.19, 95% CI:
1.05, 1.35) and was no longer present after adjusting for baseline BMI (OR:1.09,
95% CI: 0.96, 1.25). Binge eating was also associated with higher odds of hyper tension (OR:1.14, 95% CI: 0.99, 1.37) and hypertriglyceridemia (OR:1.21, 95% CI:
1.06, 1.37) at the follow-up assessment after adjustment for all confounders.
Conclusions: Individuals who binge eat are at increased risk of metabolic
syndrome via increased BMI, and of hypertriglyceridemia and hypertension independently of BMI. If these are causal associations, effective interventions for
binge eating could also have beneficial effects on metabolic health outcomes..
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