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Coffee consumption not linked with risk for HF in women
Levitan E. Circ Heart Fail. 2011;doi:10.1161/circheartfailure.111.960898.
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Results from a prospective, observational study have suggested that middle-aged and older Swedish women who consumed at least five cups of coffee a day did not have a greater risk for developing HF compared with those who drank fewer than five cups.
“These results are in keeping with our previous study among men from the same region,” the researchers wrote.
The study featured 34,551 women aged 48 to 83 years from the Swedish Mammography Cohort who were without baseline HF, MI or diabetes. The participants were sent questionnaires that assessed demographic, behavioral and anthropometric factors, as well as food and beverage consumption.
During a 9-year follow-up, 602 HF events were reported, including 48 deaths and 554 hospitalizations. Compared with women who drank fewer than five cups of coffee a day, those who consumed at least five cups per day did not have an increased rate of HF events in both age-adjusted models (HR=0.96; 95% CI, 0.75-1.24) and multivariable-adjusted models (HR=0.93; 95% CI, 0.72-1.20).
In addition, compared with women who drank no more than one cup a day, the following HRs were reported: two cups, HR=1.01; three cups, HR=0.82; four cups, HR=0.94; and five or more cups, HR=0.87. These results were not significantly altered when researchers excluded the first 2 years of follow-up, women with self-reported hypertension and women who did not drink any coffee.
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