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September 18, 2026NutrientsOpen Access

SuboptimalDietaryPatterns and Estimated Cardiovascular Disease Mortality Burden in China: A Repeated Cross-Sectional Comparative Risk Assessment

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Why the study?

Does a healthier dietary pattern (Jiangnan diet) reduce the estimated cardiovascular disease mortality burden in Chinese adults?

Population

56,018 adults from population-based nutrition surveillance in Zhejiang Province and Henan Province

Comparison

Suboptimal dietary factors vs Counterfactual scenario matching dietary pattern…

Design

Cross-sectional

Key result

Suboptimal dietary patterns were responsible for 52.5% (95% UI 45.6-58.6) of cardiovascular disease mortality in Zhejiang Province in 2024.

Authors

MHMengjie HeLHLichun HuangPXPeiwei Xu

Discussion

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Overview

Suboptimal diets may explain over half of CVD mortality in Zhejiang; extends PAF estimates but leaves causal impact of dietary shifts untested.

Key Points

  • Quantify temporal trends in cardiovascular disease (CVD) mortality attributable to suboptimal diets in Zhejiang Province and estimate potential averted deaths in Henan Province under a counterfactual Jiangnan dietary pattern.
  • Analyzed repeated cross-sectional nutrition surveillance data among 56,018 adults in Zhejiang Province (2008–2024) and Henan Province (2015) using 3-day 24-hour recalls and condiment weighing.
  • Assessed 10 dietary factors (including fruits, vegetables, whole grains, aquatic products, and salt) and estimated population-attributable fractions (PAFs) of CVD mortality using a comparative risk-assessment framework.
  • Modeled a counterfactual scenario projecting averted CVD deaths in Henan if its diet-attributable PAF matched coastal Zhejiang.
  • The estimated PAF of CVD mortality attributable to suboptimal diets in Zhejiang was 49.8% (95% UI, 40.8–57.4) in 2008, 55.3% (95% UI, 48.1–61.6) in 2022, and 52.5% (95% UI, 45.6–58.6) in 2024.
  • Coastal Zhejiang residents, particularly women, exhibited the lowest diet-attributable CVD PAF, driven by higher intakes of aquatic products, whole grains, and vegetables alongside reduced salt intake.
  • Under the counterfactual scenario matching Henan's dietary profile to that of coastal Zhejiang, an estimated 23,575 annual CVD deaths could be averted.

Study Design

Type

Cross-Sectional (n=56,018)

Multicenter

Yes

Structured PICO

Does a healthier dietary pattern (Jiangnan diet) reduce the estimated cardiovascular disease mortality burden in Chinese adults?

P
Population
56,018 adults from Zhejiang and Henan provinces included in a repeated cross-sectional study assessing the impact of suboptimal dietary patterns on cardiovascular disease mortality.
E
Exposure
Suboptimal dietary factors (10 factors evaluated: fruits, vegetables, aquatic products, nuts, whole grains, red meat, processed meat, sugar-sweetened beverages, condiment salt, and omega-3 fatty acids)
C
Comparator
Counterfactual scenario matching dietary pattern to that of coastal Zhejiang (Jiangnan dietary pattern)
O
Outcome
Population-attributable fractions (PAFs) of cardiovascular disease (CVD) mortality associated with individual and combined dietary factors

Main Result

Effect estimate: PAF 52.5% (95% CI 45.6-58.6)

Suboptimal diet accounts for approximately half of CVD mortality in the studied Chinese provinces, and adopting regional healthier dietary patterns like the Jiangnan diet could substantially reduce this burden.

Cite This Study

He et al. (2026) conducted a cross-sectional in Cardiovascular disease mortality (n=56,018). Suboptimal dietary patterns vs. Optimal dietary intake / Counterfactual Jiangnan dietary pattern was evaluated on Population-attributable fraction (PAF) of cardiovascular disease mortality in 2024 (PAF 52.5%, 95% CI 45.6-58.6). Suboptimal dietary patterns were responsible for 52.5% (95% UI 45.6-58.6) of cardiovascular disease mortality in Zhejiang Province in 2024.

synapsesocial.com/papers/6aad0bb6de0393d728b8a244https://doi.org/10.3390/nu18183043
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