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ORIGINAL RESEARCH COMMUNICATION |
1 From the Institute of Health Sciences, Faculty of Earth and Life Sciences, Vrije University, Amsterdam, Netherlands (MBS, AAWAvdH, and RMvD); the EMGO Institute, VU University Medical Center, Amsterdam, Netherlands (MBS, GN, RJH, LMB, and JMD); the Department of Nutrition, Harvard School of Public Health, Boston, MA (RMvD); the Department of internal Medicine, Academic Hospital Maastricht, Maastricht, Netherlands (CDAS); and the Dutch Dairy Association, Zoetermeer, Netherlands (GJH)
Background:Dairy consumption has been postulated to reduce the risk of obesity and metabolic disturbances.
Objective:The aim of this study was to evaluate the associations of dairy consumption with body weight and other components of the metabolic syndrome.
Design:We used cross-sectional data for 2064 men and women aged 5075 y who participated in the Hoorn Study. The metabolic syndrome was defined according to the National Cholesterol Education Program Expert Panel. Dairy consumption was assessed by using a semiquantitative food-frequency questionnaire.
Results:The median consumption of total dairy products was 4.1 servings/d. After adjustment for potential confounders (ie, dietary factors, physical activity, smoking, income, educational level, and antihypertensive medication), total dairy consumption was significantly associated with lower diastolic blood pressure (ß ± SE: 0.31 ± 0.12 mm Hg/serving) and higher fasting glucose concentrations (0.04 ± 0.02 mmol/L per serving), but not with body weight or other metabolic variables (ie, lipids, postload glucose, or insulin). When different dairy products were distinguished, borderline significant (P < 0.10) inverse associations were observed for dairy desserts, milk, and yogurt with systolic (1.26 ± 0.58, 0.57 ± 0.34, and 1.28 ± 0.74 mm Hg/serving, respectively) and diastolic (0.58 ± 0.31, 0.57 ± 0.18, and 0.35 ± 0.40 mm Hg/serving, respectively) blood pressure, whereas cheese consumption was positively associated with body mass index (0.15 ± 0.08/serving).
Conclusion:In an elderly Dutch population, higher dairy consumption was not associated with lower weight or more favorable levels of components of the metabolic syndrome, except for a modest association with lower blood pressure.
Key Words: Dairy consumption body weight metabolic syndrome cross-sectional study elderly
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