The association between chronic arsenic exposure and type 2 diabetes: a meta-analysis

Bayzidur Rahman*, Tanvir Abir, A. K. M. Akbar Hossain, Md Rafiqul Islam, Abul Hasnat Milton

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

An association has been reported between chronic arsenic exposure and type 2 diabetes (T2D), although the evidence is still inconclusive. We incorporated 27 studies in the analysis including 15 cross-sectional, four case-control, and three cohort studies reporting OR, and three cross-sectional and two cohort studies reporting RR. The pooled OR estimate was 1.58 (95% CI: 1.35, 1.84), and the pooled RR was 1.28 (95% CI: 1.03, 1.59). The overall pooled estimate was 1.50 (95% CI: 1.33, 1.69). The between-study heterogeneity was high (I2=75.5%). We did not observe any significant dose-response association and there was no evidence of publication bias in this study.Overall, this meta-analysis suggests that chronic arsenic exposure is likely to increase the risk of T2D. However, this finding is limited by high between-study heterogeneity. Therefore, the hypothesized association needs further validation through well-conducted large prospective cohort studies with better exposure assessment.

Original languageEnglish
Title of host publicationHandbook of arsenic toxicology
EditorsS. J. S. Flora
Place of PublicationAmsterdam
PublisherElsevier Academic Press
Chapter24
Pages557-573
Number of pages17
ISBN (Electronic)9780124199552
ISBN (Print)9780124186880
DOIs
Publication statusPublished - 8 Jan 2015
Externally publishedYes

Keywords

  • Arsenic
  • Diabetes mellitus
  • Drinking water
  • Meta-analysis
  • Type 2 diabetes

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