Type 2 & other diabetes

Multiple 24-Hour Urinary Sodium and Potassium Excretions and Type 2 Diabetes Incidence

Diabetes CarePublished Prospective cohort study

Main finding · T2D risk by sodium excretion quartileResult — go to the resultHazard ratio 2.66 95% CI 1.57–4.51

Authors' conclusion

Higher sodium intake and a higher sodium-to-potassium ratio were associated with a higher risk of type 2 diabetes.

Study context

Population
Adults without major chronic diseases from three prospective cohorts; mean age 62.2 ± 10.0 years, 69% women161 incident diabetes
Participants
3,173 adults
Exposure
Highest vs lowest quartile of 24-h urinary sodium excretion
Outcome
Incident T2D
Follow-up
Median 13.6 years
Methodological detailspooled analysis of three prospective cohorts, multiple 24-h urine collections per participant, Cox proportional hazards models adjusted for major confounders incl. total energy intake and BMI
  • Pooled analysis of three prospective cohorts
  • Multiple 24-h urine collections per participant
  • Cox proportional hazards models adjusted for major confounders incl. total energy intake and BMI

Main finding

T2D risk by sodium excretion quartile

Hazard ratio

2.66

95% CI 1.57–4.51

Highest quartilevs Lowest quartile
HR 2.66 (95% CI 1.57–4.51)

As reported in the abstract

Observational data: associations, not effects.

Further findings

T2D risk per 1,000 mg/day increase in sodium excretion

HR per 1,000 mg/day sodium increase (32% higher risk), 95% CI 1.16-1.52
1.32

T2D risk by potassium excretion

Potassium excretion not associated with diabetes risk; HR, 95% CI 0.69-1.11
0.87

T2D risk per unit increase in sodium-to-potassium ratio

26% higher risk of diabetes per unit increase, 95% CI 1.10-1.45

Original publication

Multiple 24-Hour Urinary Sodium and Potassium Excretions and Type 2 Diabetes Incidence. Diabetes Care. Published 15 July 2026. doi:10.2337/dc25-2561

Composed by AI from the published abstract and checked against it. How Briefs are made →

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