Frontiers in nutrition · 2025
Planetary Health Diet Index and self-reported kidney stones in US adults: mediating role of high-density lipoprotein cholesterol.
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Yang Qinglong, Chen Haolin, Luo Nan, Lin Hanyuan, Tang Haoxian, Huang Jingtao, Zhang Xuan, Liao Wenqiang, Hou Gaoming, Lin Yuxue, Liu Zexuan, Sui Xuxia, Yang Qingtao
Аннотация
BACKGROUND: Kidney stone is a universal health concern, with its incidence influenced by dietary habits. The Planetary Health Diet (PHD) benefits human health and the environment.
OBJECTIVE: This study aims to examine the relationship between the Planetary Health Diet Index (PHDI) and self-reported kidney stones and to explore the mediating role of high-density lipoprotein cholesterol (HDL-C).
METHODS: This study included 19,249 participants (≥20 years old) from the National Health and Nutrition Examination Survey (NHANES) from 2007 to 2018. Kidney stone diagnoses were self-reported. Higher PHDI scores represented greater compliance with the PHD. The statistical analyses encompassed a weighted multivariable logistic regression model, restricted cubic spline curve analysis, mediation analyses, subgroup analysis, and sensitivity analysis.
RESULTS: In the fully adjusted model, each 10-point rise in PHDI was tied to an 8% decrease in self-reported kidney stone risk (OR, 0.92; 95% CI, 0.87-0.97). Participants in the top quintile of PHDI had a 25% lower risk of self-reported kidney stones than those in the bottom quintile (OR, 0.75; 95% CI, 0.58-0.96). HDL-C mediated 6.0% of the correlation between PHDI and self-reported kidney stones.
CONCLUSION: Planetary Health Diet Index reduced the risk of self-reported kidney stones, with HDL-C partially mediating this effect.
OBJECTIVE: This study aims to examine the relationship between the Planetary Health Diet Index (PHDI) and self-reported kidney stones and to explore the mediating role of high-density lipoprotein cholesterol (HDL-C).
METHODS: This study included 19,249 participants (≥20 years old) from the National Health and Nutrition Examination Survey (NHANES) from 2007 to 2018. Kidney stone diagnoses were self-reported. Higher PHDI scores represented greater compliance with the PHD. The statistical analyses encompassed a weighted multivariable logistic regression model, restricted cubic spline curve analysis, mediation analyses, subgroup analysis, and sensitivity analysis.
RESULTS: In the fully adjusted model, each 10-point rise in PHDI was tied to an 8% decrease in self-reported kidney stone risk (OR, 0.92; 95% CI, 0.87-0.97). Participants in the top quintile of PHDI had a 25% lower risk of self-reported kidney stones than those in the bottom quintile (OR, 0.75; 95% CI, 0.58-0.96). HDL-C mediated 6.0% of the correlation between PHDI and self-reported kidney stones.
CONCLUSION: Planetary Health Diet Index reduced the risk of self-reported kidney stones, with HDL-C partially mediating this effect.