Long-term exposure to traffic-related air pollution and insulin resistance in children: results from the GINIplus and LISAplus birth cohorts
Open accessAbstract
AIMS/HYPOTHESIS: Epidemiological studies that have examined associations between long-term exposure to traffic-related air pollution and type 2 diabetes mellitus in adults are inconsistent, and studies on insulin resistance are scarce. We aimed to assess the association between traffic-related air pollution and insulin resistance in children. METHODS: Fasting blood samples were collected from 397 10-year-old children in two prospective German birth cohort studies. Individual-level exposures to traffic-related air pollutants at the birth address were estimated by land use regression models. The association between air pollution and HOMA of insulin resistance (HOMA-IR) was analysed using a linear model adjusted for several covariates including birthweight, pubertal status and BMI. Models were also further adjusted for second-hand smoke exposure at home. Sensitivity analyses that assessed the impact of relocating, study design and sex were performed. RESULTS: In all crude and adjusted models, levels of insulin resistance were greater in children with higher exposure to air pollution. Insulin resistance increased by 17.0% (95% CI 5.0, 30.3) and 18.7% (95% CI 2.9, 36.9) for every 2SDs increase in ambient NO2 and particulate matter ≤10 μm in diameter, respectively. Proximity to the nearest major road increased insulin resistance by 7.2% (95% CI 0.8, 14.0) per 500 m. CONCLUSIONS/INTERPRETATION: Traffic-related air pollution may increase the risk of insulin resistance. Given the ubiquitous nature of air pollution and the high incidence of insulin resistance in the general population, the associations examined here may have potentially important public health effects despite the small/moderate effect sizes observed.
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In a German cohort, Thiering et al. showed insulin resistance was greater in children at 10 years of age who were exposed early in life to traffic-related air pollution.
“In a German cohort, Thiering et al. [39] showed insulin resistance was greater in children at 10 years of age who were exposed early in life to traffic-related air pollution.”
From Air pollution and children’s health—a review of adverse effects associated with prenatal exposure from fine to ultrafine particulate matter (2021) · cites this paper as [39]
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- Authors
- Thiering, E., Cyrys, J., Kratzsch, J., Meisinger, C., Hoffmann, B., Berdel, D., von Berg, A., Koletzko, S., Bauer, C.-P., & Heinrich, J.
- Affiliations
- Helmholtz Munich (DE)
- University of Augsburg (DE)
- University Hospital Leipzig (DE)
- Leibniz Institute of Environmental Medicine (DE)
- Marien Hospital Wesel (DE)
- Ludwig-Maximilians-Universität München (DE)
- Technical University of Munich (DE)
- Corresponding author
- Heinrich, J.
- Venue
- Diabetologia
- Published
- 2013-05-11
- Volume
- 56
- Issue
- 8
- Pages
- 1696-1704
- ISSN
- 0012-186X (ISSN-L)
- 1432-0428
- PMC
- PMC3699704
- OpenAlex
- W2157318524
- Cited by
- 181
- References
- 46
- Citations by year
- 2026: 1 · 2025: 6 · 2024: 7 · 2023: 12 · 2022: 16 · 2021: 12 · 2020: 14 · 2019: 17 · 2018: 24 · 2017: 18 · 2016: 17 · 2015: 16 · 2014: 16 · 2013: 4 · 2012: 1
- FWCI
- 12.99
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Diabetologia (publishedVersion, cc-by-nc)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- mediaTUM (Technical University of Munich) (submittedVersion)
- Site cant be reached (submittedVersion, cc-by)
- OPUS (Augsburg University) (submittedVersion, cc-by-nc)
- Topics
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
- Social Sciences › Sociology and Political Science › Environmental Justice and Health Disparities
- Social Sciences › Transportation › Urban Transport and Accessibility
- Keywords
- traffic-related air pollution, insulin resistance, children, type 2 diabetes risk, nitrogen dioxide, particulate matter, road proximity, HOMA-IR, birth cohort, GINIplus, passive smoking
- MeSH terms
- Air Pollutants, Vehicle Emissions, Child, Female, Humans, Insulin Resistance, Male, Prospective Studies
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