A U-shaped association between dietary phosphorus intake and new-onset hypertension: a nationwide cohort study in China
Authors' conclusion
There was a U-shaped association between dietary phosphorus intake and new-onset hypertension in general Chinese adults.
Study context
- Population
- Chinese adults free of hypertension at baseline (China Health and Nutrition Survey (CHNS))4,269 new-onset hypertension
- Participants
- 12,177 adults
- Exposure
- Dietary phosphorus intake quintiles
- Outcome
- New-onset hypertension (SBP ≥140 mm Hg or DBP ≥90 mm Hg, physician diagnosis or antihypertensive treatment)
- Follow-up
- Median 6.1 years
Methodological detailsnationwide, Dietary intake by 3 consecutive 24-hour recalls plus household food inventory
- Nationwide
- Dietary intake by 3 consecutive 24-hour recalls plus household food inventory
Main finding
As reported in the abstract
New-onset hypertension · median 6.1 years
Hazard ratio (95% CI)
Q1–2vs Q3–4
1.23(1.14–1.33)
Q5vs Q3–4
1.21(1.10–1.33)
- U-shaped association between dietary phosphorus intake and new-onset hypertension
- P for nonlinearity<.001
Observational data: associations, not effects.
Original publication
A U-shaped association between dietary phosphorus intake and new-onset hypertension: a nationwide cohort study in China. Am Heart J. Published 20 January 2023. doi:10.
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