Coffee and tea consumption in relation to inflammation and basal glucose metabolism in a multi-ethnic Asian population: a cross-sectional study
2011

Coffee and Tea Consumption and Their Effects on Glucose Metabolism in Asians

Sample size: 4139 publication 10 minutes Evidence: moderate

Author Information

Author(s): Rebello Salome A, Chen Cynthia H, Naidoo Nasheen, Xu Wang, Lee Jeannette, Chia Kee Seng, Tai E Shyong, van Dam Rob M

Primary Institution: National University of Singapore

Hypothesis

Coffee and tea consumption are associated with lower insulin resistance, partly explained by plasma adiponectin and CRP concentrations.

Conclusion

The study suggests that habitual coffee consumption improves insulin sensitivity in Asians, without mediation by anti-inflammatory mechanisms.

Supporting Evidence

  • Coffee consumption was inversely associated with insulin resistance.
  • Green tea consumption was inversely associated with plasma C-reactive protein concentrations.
  • Participants who consumed ≥ 3 cups of coffee per day had a significant reduction in insulin resistance.

Takeaway

Drinking coffee might help your body use sugar better, which is good for avoiding diabetes, but tea doesn't seem to help with that.

Methodology

Cross-sectional study examining coffee and tea consumption and their associations with glycemic and inflammatory markers.

Potential Biases

Potential for residual confounding due to self-reported lifestyle exposures.

Limitations

The study's cross-sectional design limits causal inferences, and self-reported dietary data may introduce measurement errors.

Participant Demographics

Multi-ethnic Asian population including Chinese, Malays, and Asian-Indians.

Statistical Information

P-Value

0.007

Confidence Interval

95% CI

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2891-10-61

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