Improving the dietaryindex R package: A proposal to include additional components for more accurate DII computation in NHANES.

Am J Clin Nutr

Department of Thoracic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China. Electronic address:

Published: January 2025

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http://dx.doi.org/10.1016/j.ajcnut.2024.10.023DOI Listing

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Associations of healthy eating patterns with biological aging: national health and nutrition examination survey (NHANES) 1999-2018.

Nutr J

September 2024

Department of Nutrition and Food Hygiene, the National Key Discipline, School of Public Health, Harbin Medical University, 157 Baojian Road, Harbin, 150081, P. R. China.

Background: Healthy dietary patterns have been negatively associated with methylation-based measures of biological age, yet previous investigations have been unable to establish the relationship between them and biological aging assessed through blood chemistry-based clinical biomarkers. We sought to assess the associations of 4 dietary metrics with 4 measures of biological age.

Methods: Among 16,666 participants in NHANES 1999-2018, 4 dietary metrics [Dietary inflammatory index (DII), Dietary approaches to stop hypertension index (DASH), Alternate mediterranean diet score (aMED), and Healthy eating index-2015 (HEI-2015)] were calculated through the 'dietaryindex' R package.

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