Dark tea consumption is associated with a reduced risk of dysglycaemia and increased urinary glucose and sodium excretion in Chinese adults
Authors' conclusion
Regular tea consumption, especially dark tea, is associated with a reduced risk of dysglycaemia and increased urinary glucose and sodium excretion in Chinese community-dwelling adults.
Study context
- Population
- Chinese community-dwelling adults: 457 with diabetes, 720 with prediabetes, 746 with normoglycaemia
- Participants
- 1,923 adults
- Exposure
- Tea consumption vs no tea
- Outcome
- Prediabetes and diabetes
Methodological detailscommunity-dwelling adults, multivariable-adjusted
- Community-dwelling adults
- Multivariable-adjusted
Main finding
As reported in the abstract
Each group vs non-tea drinkersEstimate (95% CI)
Daily tea
aOR for prediabetes 0.63(0.48–0.83)
Daily tea
aOR for diabetes 0.58(0.41–0.82)
Dark teaonly dark tea associated with reduced ORs
OR for prediabetes 0.49(0.36–0.66)
Dark teaonly dark tea associated with reduced ORs
OR for diabetes 0.41(0.28–0.62)
Observational data: associations, not effects.
Further findings
Urinary glucose and sodium excretion with dark tea
- Increase in morning spot urinary glucose
- 0.22 mmol/L (95% CI 0.11, 0.34 mmol/L)
- Increase in UGCR
- 0.15 mmol/mmol (95% CI 0.05, 0.25 mmol/L)
- Increase in estimated 24-h urinary sodium
- 7.78 mEq/day (95% CI 2.27, 13.28 mEq/day)
Original publication
Dark tea consumption is associated with a reduced risk of dysglycaemia and increased urinary glucose and sodium excretion in Chinese adults. Diabetes Obes Metab. Published 7 August 2024. doi:10.
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