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The Mediating Effect of Central Obesity on the Association between Dietary Quality, Dietary Inflammation Level and Low-Grade Inflammation-Related Serum Inflammatory Markers in Adults

Author

Listed:
  • Shuai Zhang

    (Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao 266021, China)

  • Xuebin Yang

    (Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao 266021, China)

  • Limei E

    (Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao 266021, China)

  • Xiaofei Zhang

    (Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao 266021, China)

  • Hongru Chen

    (Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao 266021, China)

  • Xiubo Jiang

    (Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao 266021, China)

Abstract

To date, few studies have explored the role of central obesity on the association between diet quality, measured by the health eating index (HEI), inflammatory eating index (DII), and low-grade inflammation-related serum inflammatory markers. In this paper, we use the data from the 2015–2018 National Health and Nutrition Examination Survey (NHANES) to explore this. Dietary intakes were measured during two 24-h dietary recall interviews and using USDA Food Pattern Equivalence Database (FPED) dietary data. Serum inflammatory markers were obtained from NHANES Laboratory Data. Generalized structural equation models (GSEMs) were used to explore the mediating relationship. Central obesity plays a significant mediating role in the association between HEI-2015 and high-sensitivity C-reactive protein (hs-CRP), mediating 26.87% of the associations between the two; it also mediates 15.24% of the associations between DII and hs-CRP. Central obesity plays a mediating role in 13.98% of the associations between HEI-2015 and white blood cells (WBC); it also mediates 10.83% of the associations between DII and WBC. Our study suggests that central obesity plays a mediating role in the association of dietary quality with low-grade inflammation-related serum inflammatory markers (hs-CRP and WBC).

Suggested Citation

  • Shuai Zhang & Xuebin Yang & Limei E & Xiaofei Zhang & Hongru Chen & Xiubo Jiang, 2023. "The Mediating Effect of Central Obesity on the Association between Dietary Quality, Dietary Inflammation Level and Low-Grade Inflammation-Related Serum Inflammatory Markers in Adults," IJERPH, MDPI, vol. 20(5), pages 1-12, February.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:5:p:3781-:d:1075161
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