Long-Term Exposure to Traffic-Related Air Pollution and Diabetes: A Systematic Review and Meta-Analysis

M. Kutlar Joss, H. Boogaard, E. Samoli, A. P. Patton, R. Atkinson, J. Brook, H. Chang, P. Haddad, G. Hoek, R. Kappeler, S. Sagiv, A. Smargiassi, A. Szpiro, D. Vienneau, J. Weuve, F. Lurmann, F. Forastiere, B. H. Hoffmann

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Objectives: We report results of a systematic review on the health effects of long-term traffic-related air pollution (TRAP) and diabetes in the adult population. Methods: An expert Panel appointed by the Health Effects Institute conducted this systematic review. We searched the PubMed and LUDOK databases for epidemiological studies from 1980 to July 2019. TRAP was defined based on a comprehensive protocol. Random-effects meta-analyses were performed. Confidence assessments were based on a modified Office for Health Assessment and Translation (OHAT) approach, complemented with a broader narrative synthesis. We extended our interpretation to include evidence published up to May 2022. Results: We considered 21 studies on diabetes. All meta-analytic estimates indicated higher diabetes risks with higher exposure. Exposure to NO(2) was associated with higher diabetes prevalence (RR 1.09; 95% CI: 1.02; 1.17 per 10 μg/m(3)), but less pronounced for diabetes incidence (RR 1.04; 95% CI: 0.96; 1.13 per 10 μg/m(3)). The overall confidence in the evidence was rated moderate, strengthened by the addition of 5 recently published studies. Conclusion: There was moderate evidence for an association of long-term TRAP exposure with diabetes.
Original languageEnglish
Article number1605718
JournalInternational Journal of Public Health
Volume68
DOIs
Publication statusPublished - 2023

Keywords

  • Adult Humans *Air Pollutants/adverse effects/analysis *Air Pollution/adverse effects/analysis Environmental Exposure/adverse effects/analysis *Diabetes Mellitus/epidemiology/etiology Incidence Particulate Matter/analysis No2 confidence assessment diabetes particulate matter traffic-related air pollution authors declare that they do not have any conflicts of interest.

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