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Prev Med Rep. 2019 Jul 16;15:100950. doi: 10.1016/j.pmedr.2019.100950. eCollection 2019 Sep.

DASH diet and prevalent metabolic syndrome in the Hispanic Community Health Study/Study of Latinos.

Author information

1
Center for Population Epigenetics, Robert H. Lurie Comprehensive Cancer Center, Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, 680 N. Lake Shore Dr., Suite 1400, Chicago, IL 60611, USA.
2
Institute for Minority Health Research, University of Illinois at Chicago, Chicago, IL, USA.
3
Vanderbilt University Medical Center, Nashville, TN, USA.
4
San Diego State University, Graduate School of Public Health, Division of Health Promotion and Behavioral Science, San Diego, CA, USA.
5
Department of Psychology, San Diego State University, San Diego, CA, USA.
6
Division of Health Promotion and Behavioral Science, San Diego State University, San Diego, CA, USA.
7
Collaborative Studies Coordinating Center, Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
8
Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
9
Division of General Internal Medicine and Clinical Innovation, NYU School of Medicine, New York, NY, USA.
10
Department of Psychology, University of Miami, Coral Gables, FL, USA.
11
Department of Public Health Sciences, University of Miami, Miami, FL, USA.
12
Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
13
Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
14
Department of Medicine/Endocrinology, Duke University School of Medicine, Durham, NC, USA.

Abstract

The Dietary Approaches to Stop Hypertension (DASH) diet is recommended for lowering blood pressure and preventing cardiovascular disease (CVD), but little data exist on these associations in US Hispanics/Latinos. We sought to assess associations between DASH score and prevalence of metabolic syndrome (MetS) and its components in diverse Hispanics/Latinos. We studied 10,741 adults aged 18-74 in the multicenter Hispanic Community Health Study/Study of Latinos. Dietary intake was measured using two 24-hour recalls, and MetS defined per the 2009 harmonized guidelines. We assessed cross-sectional associations of DASH score and MetS (and its dichotomized components) using survey logistic regression, and DASH and MetS continuous components using linear regression. We also stratified these models by Hispanic/Latino heritage group to explore heritage-specific associations. We found no associations between DASH and MetS prevalence. DASH was inversely associated with both measures of blood pressure (p < 0.01 for systolic and p < 0.001 for diastolic) in the overall cohort. DASH was also inversely associated with diastolic blood pressure in the Mexican (p < 0.05), Central American (p < 0.05), and South American (p < 0.01) groups; triglycerides (p < 0.05) in the Central American group; fasting glucose overall (p < 0.01) and in the Mexican group (p < 0.01); and waist circumference overall (p < 0.05) and in the South American group (p < 0.01). DASH was positively associated with HDL-cholesterol (p < 0.01) in the Central American group. DASH may better capture diet-MetS associations in Hispanic/Latino subpopulations such as Central/South Americans; this study also adds evidence that Hispanics/Latinos should be analyzed by heritage. Further research, and/or culturally tailored DASH measures will help further explain between-heritage differences.

KEYWORDS:

DASH; Diet; Diet quality scores; Hispanics/Latinos; Metabolic syndrome

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