alexa Dietary calcium intake and its relationship with adiposity and metabolic profile in hypertensive patients.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Diabetes & Metabolism

Author(s): Torres MR, Ferreira Tda S, Carvalho DC, Sanjuliani AF

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Abstract OBJECTIVE: An inverse relation between dietary calcium and adiposity has been found in several epidemiologic studies. Recent evidence has also suggested that a calcium-rich diet may have beneficial effects on insulin resistance and dyslipidemia. This study aimed to evaluate the association of dietary calcium intake with global adiposity, abdominal obesity, and metabolic profile in hypertensive patients. METHODS: In this cross-sectional study, 85 hypertensive patients 25 to 70 y old underwent clinical, dietary, anthropometric, and biochemical evaluations. Participants were stratified into the following two groups according to their usual dietary calcium intake: low calcium group (<800 mg/d) and high calcium group (≥800 mg/d). RESULTS: Fifty-seven participants (11 men and 46 women) were included in the final analyses. Subjects in the low calcium group compared with those in the high calcium group exhibited significantly higher levels of body mass index and percentage of body fat after adjustments for variables that could interfere with those adiposity parameters (P = 0.03 and 0.01, respectively). Patients in the high calcium group had a lower odds ratio for prevalent obesity than those in the low calcium group, even after controlling for potential confounders (P = 0.01). No significant differences were found in abdominal adiposity and metabolic profile between the two groups. Using data from all patients, an inverse and significant association was observed between dietary calcium intake and percentage of body fat, and it remained after controlling for confounders (P = 0.03). CONCLUSIONS: The findings of the present study suggest that, in hypertensive patients, higher dietary calcium intake could be associated with lower global adiposity. Copyright © 2011 Elsevier Inc. All rights reserved. This article was published in Nutrition and referenced in Journal of Diabetes & Metabolism

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