ArticleFood science & nutrition2026
Trends in Planetary Health Diet Index for the United States (PHDI-US) Scores and Associations With Mortality Risk in the United States Between 1999 and 2020.
Article in Food science & nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study utilized the Planetary Health Diet Index for the United States (PHDI-US), a dietary index developed and validated for the U.S. population, to characterize temporal trends in PHDI-US scores from 1999 to 2020, evaluate adherence to the EAT-Lancet Planetary Health Diet, and examine associations between PHDI-US scores and mortality risk. PHDI-US scores were calculated using data from the National Health and Nutrition Examination Survey (NHANES) spanning 1999 to 2020, which encompassed a cohort of 55,579 adults ≥ 19 years of age living in the U.S. Total PHDI-US scores can range between 0 and 150 and were derived from 24-h dietary recalls. Weighted linear regression was used for trend analysis, and weighted Cox regression was employed to study mortality risk. Analysis of the aggregate dataset revealed a significant upward trend (
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