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Black tea consumption and risk of stroke in women and men.
Ann Epidemiol 2013; 23(3):157-60AE

Abstract

PURPOSE

Our aim was examine the association between black tea consumption and risk of total stroke and stroke types in a prospective study.

METHODS

A total of 74,961 Swedish women and men who were free of cardiovascular disease and cancer at baseline in 1997 were followed up through December 2008. Tea consumption was assessed with a questionnaire at baseline. Stroke cases were ascertained from the Swedish Hospital Discharge Registry.

RESULTS

During a mean follow-up of 10.2 years, we ascertained 4089 cases of first stroke, including 3159 cerebral infarctions, 435 intracerebral hemorrhages, 148 subarachnoid hemorrhages, and 347 unspecified strokes. After adjustment for other risk factors, high tea consumption was associated with a significantly lower risk of total stroke; however, there was no dose-response relation (P for trend = .36). Compared with no tea consumption, the multivariable relative risk for four or more cups per day (median, 5) was 0.79 (95% confidence interval [CI], 0.62-0.998). The corresponding relative risks were 0.80 (95% CI, 0.61-1.04) for cerebral infarction and 0.68 (95% CI, 0.35-1.30) for hemorrhagic stroke.

CONCLUSIONS

These findings suggest that daily consumption of four or more cups of black tea is inversely associated with risk of stroke.

Authors+Show Affiliations

Division of Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, SE-17177 Stockholm, Sweden. Susanna.Larsson@ki.seNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23295000

Citation

Larsson, Susanna C., et al. "Black Tea Consumption and Risk of Stroke in Women and Men." Annals of Epidemiology, vol. 23, no. 3, 2013, pp. 157-60.
Larsson SC, Virtamo J, Wolk A. Black tea consumption and risk of stroke in women and men. Ann Epidemiol. 2013;23(3):157-60.
Larsson, S. C., Virtamo, J., & Wolk, A. (2013). Black tea consumption and risk of stroke in women and men. Annals of Epidemiology, 23(3), pp. 157-60. doi:10.1016/j.annepidem.2012.12.006.
Larsson SC, Virtamo J, Wolk A. Black Tea Consumption and Risk of Stroke in Women and Men. Ann Epidemiol. 2013;23(3):157-60. PubMed PMID: 23295000.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Black tea consumption and risk of stroke in women and men. AU - Larsson,Susanna C, AU - Virtamo,Jarmo, AU - Wolk,Alicja, Y1 - 2013/01/05/ PY - 2012/08/07/received PY - 2012/11/08/revised PY - 2012/12/09/accepted PY - 2013/1/9/entrez PY - 2013/1/9/pubmed PY - 2013/7/31/medline SP - 157 EP - 60 JF - Annals of epidemiology JO - Ann Epidemiol VL - 23 IS - 3 N2 - PURPOSE: Our aim was examine the association between black tea consumption and risk of total stroke and stroke types in a prospective study. METHODS: A total of 74,961 Swedish women and men who were free of cardiovascular disease and cancer at baseline in 1997 were followed up through December 2008. Tea consumption was assessed with a questionnaire at baseline. Stroke cases were ascertained from the Swedish Hospital Discharge Registry. RESULTS: During a mean follow-up of 10.2 years, we ascertained 4089 cases of first stroke, including 3159 cerebral infarctions, 435 intracerebral hemorrhages, 148 subarachnoid hemorrhages, and 347 unspecified strokes. After adjustment for other risk factors, high tea consumption was associated with a significantly lower risk of total stroke; however, there was no dose-response relation (P for trend = .36). Compared with no tea consumption, the multivariable relative risk for four or more cups per day (median, 5) was 0.79 (95% confidence interval [CI], 0.62-0.998). The corresponding relative risks were 0.80 (95% CI, 0.61-1.04) for cerebral infarction and 0.68 (95% CI, 0.35-1.30) for hemorrhagic stroke. CONCLUSIONS: These findings suggest that daily consumption of four or more cups of black tea is inversely associated with risk of stroke. SN - 1873-2585 UR - https://www.unboundmedicine.com/medline/citation/23295000/Black_tea_consumption_and_risk_of_stroke_in_women_and_men_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1047-2797(12)00458-9 DB - PRIME DP - Unbound Medicine ER -