Mortality in Diabetes Linked to Caffeine Consumption

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Researchers identified a dose-dependent inverse correlation between caffeine consumption and total mortality in diabetes.
Researchers identified a dose-dependent inverse correlation between caffeine consumption and total mortality in diabetes.

HealthDay News — For women with diabetes, caffeine consumption is associated with reduced mortality, according to a study presented at the annual meeting of the European Association for the Study of Diabetes (EASD), held September 11-15 in Lisbon, Portugal.

João Sérgio Neves, MD, from the São João Hospital Center in Porto, Portugal, and colleagues examined the correlation of caffeine consumption and mortality among 1568 women and 1484 men with diabetes.

The researchers found that in women with diabetes there was a dose-dependent inverse correlation between caffeine consumption and total mortality (P =.002). Compared with women who did not consume caffeine, women who consumed caffeine had an adjusted hazard ratio [HR] for death of 0.49 for <100 mg caffeine/day, 0.43 for 100 to <200 mg/day, and 0.34 for ≥200 mg caffeine/day (P =.007). No correlation was seen for men with diabetes (P =.887). Women who consumed more caffeine from coffee had reduced risk of all-cause and cardiovascular death (P =.007 and .041, respectively), while women who consumed more caffeine from tea had reduced mortality from cancer (P =.009).

"Our study showed a dose-dependent protective effect of caffeine consumption on all- cause mortality among women," the authors write. "The effect on mortality appears to depend on the source of caffeine."

Reference

Neves JS, Leitao L, Magrico R, et al. Caffeine consumption and mortality in diabetes: an analysis of NHANES 1999-2010. Presented at: European Association for the Study of Diabetes Annual Meeting; September 11-15, 2017;  Lisbon, Portugal. Abstract 841. 

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