ArticleJournal of human nutrition and dietetics : the official journal of the British Dietetic Association2026
Associations Between the Cardiovascular Health Diet Index (CHDI) and Cardiometabolic Risk Factors in Brazilian Workers: A Cross-Sectional Study.
Article in Journal of human nutrition and dietetics : the official journal of the British Dietetic Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Associations Between the Cardiovascular Health Diet Index (CHDI) and Cardiometabolic Risk Factors in Brazilian Workers: A Cross-Sectional Study.Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2026Article
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Abstract
backgroundThe Cardiovascular Health Diet Index (CHDI) was recently developed to assess compliance with dietary recommendations aimed at preventing cardiovascular disease and promoting cardiovascular health on a population level, based on guidance from the American Heart Association (AHA) and adapted to Brazilian dietary culture. The purpose of this study was to assess dietary quality among workers at a public university in Brazil using the CHDI and determine its association with cardiometabolic risk factors and sociodemographic data.
methodsThis cross-sectional study included 557 workers aged 20-59 years from a Brazilian public university. Dietary quality was assessed using the CHDI (score from 0 to 100 points) and the Brazilian Healthy Eating Index-Revised (BHEI-R) (score from 0 to 100 points), both based on data from one 24-h dietary recall (24HR) obtained in a phone interview by a registered dietitian using the multiple-pass method. Clinical parameters included body mass index (BMI), waist circumference, blood pressure, lipids (LDL-c and triglycerides), fasting glucose, HbA1c, fasting insulin (used to calculate HOMA2-IR for insulin resistance), and C-reactive protein (CRP). Sociodemographic variables included age, sex, education level, and race/ethnicity. Associations were analyzed using modified Poisson regression models with robust variance for dichotomous outcomes and multiple linear regression models for continuous outcomes.
resultsBetter adherence to a heart-healthy dietary pattern, as measured by the CHDI, was consistently associated with lower chances of having key cardiometabolic risk factors. Specifically, Poisson regression analyses showed that each additional point in the CHDI score corresponded to about a 1% lower likelihood of having excess body weight (BMI > 25 kg/m²; β: 0.99; p = 0.0102), being classified as at increased cardiovascular risk due to abdominal obesity (waist circumference; β: 0.99; p = 0.0145), or presenting elevated diastolic blood pressure (> 80 mmHg; β: 0.99; p = 0.0370). Higher scores were also associated with about a 1% lower probability of having insulin resistance (β: 0.99; p < 0.0001) and elevated C-reactive protein levels, a marker of systemic inflammation (β: 0.99; p = 0.0207).
conclusionThe CHDI showed stronger associations with cardiometabolic risk factors than the BHEI-R, indicating its potential as a sensitive tool for assessing diet quality in research and surveillance. Further studies in diverse populations are needed to confirm its applicability in other contexts.
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