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. 2020 Feb;23(2):329-338.
doi: 10.1017/S136898001900212X. Epub 2019 Sep 12.

Diet quality, change in diet quality and risk of incident CVD and diabetes

Zhe Xu  1 , Lyn M Steffen  2 , Elizabeth Selvin  1 , Casey M Rebholz  1
Affiliations

Diet quality, change in diet quality and risk of incident CVD and diabetes

Zhe Xu et al. Public Health Nutr. 2020 Feb.

Abstract

Objective: The objective of this study was to assess the prospective association between diet quality, as well as a 6-year change in diet quality, and risk of incident CVD and diabetes in a community-based population.

Design: We used Cox regression models to estimate the prospective association between diet quality, assessed using the Healthy Eating Index (HEI)-2015 and the Alternative HEI (AHEI)-2010 scores, as well as change in diet quality, and incident CVD and diabetes.

Setting: The ARIC Study recruited 15 792 black and white men and women (45-64 years) from four US communities.

Participants: We included 10 808 study participants who reported usual dietary intake via FFQ at visit 1 (1987-1989) and who had not developed CVD, diabetes, or cancer at baseline.

Results: Overall, 3070 participants developed CVD (median follow-up of 26 years) and 3452 developed diabetes (median follow-up of 22 years) after visit 1. Higher diet score at the initial visit was associated with a significantly lower risk of CVD (HR per 10 % higher HEI-2015 diet quality score: 0·90 (95 % CI: 0·86, 0·95) and HR per 10 % higher AHEI-2010 diet quality score: 0·96 (95 % CI: 0·93, 0·99)). We did not observe a significant association between initial diet score and incident diabetes. There were no significant associations between change in diet score and CVD or diabetes risk in the overall study population.

Conclusions: Higher diet quality assessed using HEI-2015 and AHEI-2010 was strongly associated with lower CVD risk but not diabetes risk within a middle-aged, community-based US population.

Keywords: AHEI-2010; CVD; Diabetes; Diet quality; HEI-2015.

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Figures

Fig. 1
Fig. 1
Risk* of incident CVD and incident diabetes according to quintile of initial diet quality score for HEI-2015 (a) and AHEI-2010 (b). *Hazard ratios calculated using quintile 1 as reference group, adjusted for age, sex, race-centre, education, family history of diabetes, family history of CHD/stroke, smoking status, physical activity, alcohol intake (only for HEI), total energy intake, hypertension status, hypercholesterolaemia status, eGFR, and BMI category (Model 3)
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