2450-PUB: Association between Intake of Magnesium and Obesity in Japanese Patients with Type 2 Diabetes Mellitus

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Obesity is known to increase the risks of cardiovascular events and mortality in patients with diabetes. Low serum magnesium (Mg) levels are reportedly associated with obesity and incident diabetes mellitus among nondiabetic individuals. Since only a few studies have addressed the relationship between intake of Mg and obesity, we analyzed our nationwide registry of diabetic patients to determine if there was an association between intake of Mg and obesity in Japanese patients with T2DM. We analyzed data on 1891 Japanese patients with T2DM (mean age, 62 y; men, 62%) who completed a food frequency questionnaire. Obesity was defined as BMI ≥25. Associations between obesity and intake of Mg were determined by multivariate regression and quintile analyses. After adjusting for confounders including energy intake, the odds ratio (OR) for obesity was 0.93 (0.91,0.96) per 10 mg increase in Mg intake. Quintile analysis revealed a stepwise significant decrease in ORs for obesity from Q1 (lowest, ref.) to Q5 (highest) (Table). Food groups potently related to Mg intake in our patients were beans (correlation coefficients, 0.64), vegetables (0.62), and fish (0.57). These results imply that intake of Mg might be closely associated with obesity in patients with T2DM, which should have clinical relevance in nutrition therapy. Disclosure R. Nedachi: None. K. Fujihara: None. M. Hatta: None. Y. Matsubayashi: None. Y. Takeda: None. D. Ishii: None. C. Horikawa: None. M. Kato: None. H. Maegawa: Research Support; Self; Antares Pharma, Boehringer Ingelheim Pharmaceuticals, Inc., Daiichi Sankyo Company, Limited, Mitsubishi Tanabe Pharma Corporation, Takeda Pharmaceutical Company Limited. Speaker's Bureau; Self; Astellas Pharma Inc., Boehringer Ingelheim Pharmaceuticals, Inc., Daiichi Sankyo Company, Limited, Merck Sharp & Dohme Corp., Mitsubishi Tanabe Pharma Corporation, Takeda Pharmaceutical Company Limited. H. Sone: Research Support; Self; Astellas Pharma Inc., Boehringer Ingelheim Pharmaceuticals, Inc., Daiichi Sankyo Company, Limited, Kowa Pharmaceutical Europe Co. Ltd., Kyowa Hakko Kirin Co., Ltd., Novo Nordisk Inc., Ono Pharmaceutical Co., Ltd., Taisho Pharmaceutical Co., Ltd., Takeda Pharmaceutical Company Limited, Teijin Pharma Limited.