Low-fat dairy consumption and reduced risk of hypertension: The Seguimiento Universidad de Navarra (SUN) cohort

Alvaro Alonso, Juan José Beunza, Miguel Delgado-Rodríguez, J. Alfredo Martínez, Miguel Angel Martínez-González

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116 Scopus citations

Abstract

Background: Some observational studies have shown a beneficial effect of dairy consumption on blood pressure, especially in overweight and relatively young (<40 y) persons. However, no results from prospective studies conducted in a free-living population exist that show this association in middle-aged adults. Objective: The aim of the present study was to assess whether total, low-fat, and whole-fat dairy consumption was associated prospectively with the risk of hypertension. Design: This was a prospective study conducted in 5880 university graduates in Spain, aged >20 y in 2000 (x̄ age: 37 y), free of hypertension and cardiovascular disease at baseline, and followed-up with mailed questionnaires for a median of 27 mo. Dairy consumption was assessed with a previously validated semiquantitative food-frequency questionnaire. Results: One hundred eighty new cases of hypertension were identified. The hazard ratio of hypertension between extreme quintiles of low-fat dairy product consumption was 0.46 (95% CI: 0.26, 0.84; P for trend = 0.02) after adjustment for the main known risk factors for hypertension and several dietary factors. No significant association between whole-fat dairy products or total calcium intake and incident hypertension was seen. Conclusion: In this Mediterranean cohort, low-fat dairy consumption, but not whole-fat dairy consumption, was associated with a lower risk of incident hypertension.

Original languageEnglish (US)
Pages (from-to)972-979
Number of pages8
JournalAmerican Journal of Clinical Nutrition
Volume82
Issue number5
DOIs
StatePublished - 2005

Keywords

  • Calcium
  • Dietary Approaches to Stop Hypertension diet
  • High blood pressure
  • Mediterranean diet
  • Milk
  • Spain

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