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Yogurt consumption and abdominal obesity reversion in the PREDIMED study.

Dept. of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain; Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain. Dept. of Preventive Medicine and Public Health, University of Navarra, Pamplona, Spain. CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), Madrid, Spain; Human Nutrition Unit, Faculty of Medicine and Health Sciences, Biochemistry & Biotechnology Department, Universitat Rovira i Virgili, Hospital Universitari de Sant Joan de Reus, IISPV, Reus, Spain. Dept. of Preventive Medicine and Public Health, University of Navarra, Pamplona, Spain; CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), Madrid, Spain; Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain. Dept. of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain; CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), Madrid, Spain; Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Department of Preventive Medicine, University of Valencia, Valencia, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Department of Internal Medicine Institut d'Investigacions Biomèdiques August Pi i Sunyer, Hospital Clinic, University of Barcelona, Barcelona, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Cardiovascular and Nutrition Research Group, Institut de Recerca Hospital del Mar, Barcelona, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Department of Cardiology, University Hospital of Alava, Vitoria, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Lipids and Vascular Risk Unit, Internal Medicine, Hospital Universitario de Bellvitge, Hospitalet de Llobregat, Barcelona, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Department of Preventive Medicine, University of Malaga, Malaga, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Institute of Health Sciences (IUNICS), University of Balearic Islands, and Hospital Son Espases, Palma de Mallorca, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Department of Family Medicine, Primary Care Division of Seville, San Pablo Health Center, Sevilla, Spain. Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain; Research Institut of Biomedical and Health Sciences, University of Las Palmas de Gran Canaria, Las Palmas, Spain. Human Nutrition Unit, Faculty of Medicine and Health Sciences, Biochemistry & Biotechnology Department, Universitat Rovira i Virgili, Hospital Universitari de Sant Joan de Reus, IISPV, Reus, Spain; Centro de Investigación Biomédica en Epidemiología y Salud Pública, Madrid, Spain. Dept. of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain; CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), Madrid, Spain; Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain. Electronic address: jalfmtz@unav.es.

Nutrition, metabolism, and cardiovascular diseases : NMCD. 2016;(6):468-75
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Abstract

BACKGROUND AND AIMS Evidence on the association yogurt consumption and obesity is not conclusive. The aim of this study was to prospectively evaluate the association between yogurt consumption, reversion of abdominal obesity status and waist circumference change in elderly. METHODS AND RESULTS 4545 individuals at high cardiovascular risk were prospectively followed. Total, whole-fat and low-fat yogurt consumption were assessed using food frequency questionnaires. Generalized estimating equations were used to analyze the association between yogurt consumption and waist circumference change (measured at baseline and yearly during the follow-up). Logistic regression models were used to evaluate the odds ratios (ORs) and 95% CIs of the reversion rate of abdominal obesity for each quintile of yogurt consumption compared with the lowest quintile. After multivariable adjustment, the average yearly waist circumference change in the quintiles of whole-fat yogurt consumption was: Q1: 0.00, Q2: 0.00 (-0.23 to 0.23), Q3: -0.15 (-0.42 to 0.13), Q4: 0.10 (-0.21 to 0.42), and Q5: -0.23 (-0.46 to -0.00) cm; p for trend = 0.05. The ORs for the reversion of abdominal obesity for whole-fat yogurt consumption were Q1: 1.00, Q2: 1.40 (1.04-1.90), Q3: 1.33 (0.94-1.89), Q4: 1.21 (0.83-1.77), and Q5: 1.43 (1.06-1.93); p for trend = 0.26. CONCLUSION Total yogurt consumption was not significantly associated with reversion of abdominal obesity status and a lower waist circumference. However, consumption of whole-fat yogurt was associated with changes in waist circumference and higher probability for reversion of abdominal obesity. Therefore, it seems that whole-fat yogurt has more beneficial effects in management of abdominal obesity in elderly population at high cardiovascular risk.

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MeSH terms : Dietary Fats