Eastern healthy dietary patterns in relation to all-cause mortality.
Xiaoxi Wang1,2,3,4, Jiaqi Xuan1,2, Hui Chen5
1China Academy for Rural Development and Department of Agricultural Economics and Management, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
Following Eastern healthy dietary patterns (EHDP) is linked to lower mortality risk in Chinese adults. Higher adherence, measured by Dietary Diversity Score (DDS) and Chinese Healthy Eating Index (CHEI), significantly reduces the risk of all-cause mortality.
Area of Science:
- Nutrition Science
- Public Health
- Epidemiology
Background:
- Western dietary patterns dominate healthy eating research.
- Eastern healthy dietary patterns (EHDP), particularly those from Chinese guidelines, are understudied.
- Understanding EHDP's impact on mortality is crucial for public health in Eastern populations.
Purpose of the Study:
- To investigate the association between adherence to Eastern healthy dietary patterns (EHDP) and all-cause mortality.
- To evaluate EHDP using the Dietary Diversity Score (DDS) and Chinese Healthy Eating Index (CHEI).
- To analyze mortality risks in Chinese adults based on EHDP adherence.
Main Methods:
- Utilized cohort data from the China Health and Nutrition Survey (CHNS) from 1997-2015.
- Included 10,436 Chinese adults over 18 years old.
- Employed time-varying Cox regression models to assess the relationship between EHDP (DDS, CHEI) and mortality.
Main Results:
- Higher Dietary Diversity Score (DDS) correlated with reduced mortality risk (38% decrease in highest tertile).
- Increased Chinese Healthy Eating Index (CHEI) was associated with lower mortality (18% reduction per 10-unit increase).
- Combined high DDS and CHEI showed a significantly lower mortality risk compared to low adherence groups.
Conclusions:
- Adherence to Eastern healthy dietary patterns (EHDP) is significantly associated with reduced all-cause mortality in Chinese adults.
- Dietary Diversity Score (DDS) and Chinese Healthy Eating Index (CHEI) are valuable metrics for assessing EHDP.
- Findings support the promotion of EHDP for improving health outcomes and longevity in Chinese populations.
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