Coffee consumption and risk of type 2 diabetes mellitus in Asians: A meta-epidemiological study of population-based cohort studies

doi:10.4239/wjd.v12.i6.908

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World Journal of Diabetes

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1948-9358

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Meta-Analysis

World J Diabetes. Jun 15, 2021; 12(6): 908-915
Published online Jun 15, 2021. doi: 10.4239/wjd.v12.i6.908

Coffee consumption and risk of type 2 diabetes mellitus in Asians: A meta-epidemiological study of population-based cohort studies

Jong-Myon Bae

Jong-Myon Bae, Department of Preventive Medicine, Jeju National University School of Medicine, Jeju-si 63243, South Korea

Author contributions: Bae JM designed the research study, performed the research; analyzed the data and wrote the manuscript.

Conflict-of-interest statement: The author declares no conflict of interests and no funding sources for this article.

PRISMA 2009 Checklist statement: The authors have read the PRISMA 2009 Checklist, and the manuscript was prepared and revised according to the PRISMA 2009 Checklist.

Corresponding author: Jong-Myon Bae, MD, PhD, Professor, Department of Preventive Medicine, Jeju National University School of Medicine, 102 Jejudaehak-ro, Jeju-si 63243, South Korea. jmbae@jejunu.ac.kr

Received: November 27, 2020
Peer-review started: November 27, 2020
First decision: December 20, 2020
Revised: December 23, 2020
Accepted: May 19, 2021
Article in press: May 19, 2021
Published online: June 15, 2021
Processing time: 188 Days and 14.4 Hours

ARTICLE HIGHLIGHTS

Research background

The previous systematic reviews showed that an inverse association between coffee consumption and the risk of type 2 diabetes mellitus (T2DM).

Research motivation

While the differences in coffee consumption habits by region could create heterogeneity, further evaluations between coffee consumption and the risk of T2DM in Asian populations are needed.

Research objectives

The aimed to conduct a meta-epidemiological study to evaluate the association between coffee consumption and the risk of T2DM in Asian men and women.

Research methods

After selecting the studies meeting the selection criteria, a fixed-effect model meta-analysis and two-stage fixed-effects dose-response meta-analysis were performed.

Research results

Coffee consumption could decrease the occurrence of T2DM in the Asian population, and drinking a cup of coffee per day reduced the risk of T2DM in the Asian population by approximately 8%.

Research conclusions

This meta-epidemiological study concluded that coffee consumption could prevent the occurrence of T2DM in Asian populations.

Research perspectives

Further studies are needed to investigate the preventive mechanism of coffee using a metabolomics study.