Abstract
Background
The evidence linking ambient air pollution to bladder cancer is limited and mixed.
Methods
We assessed the associations of bladder cancer incidence with residential exposure to fine particles (PM2.5), nitrogen dioxide (NO2), black carbon (BC), warm season ozone (O3) and eight PM2.5 elemental components (copper, iron, potassium, nickel, sulfur, silicon, vanadium, and zinc) in a pooled cohort (N = 302,493). Exposures were primarily assessed based on 2010 measurements and back-extrapolated to the baseline years. We applied Cox proportional hazard models adjusting for individual- and area-level potential confounders.
Results
During an average of 18.2 years follow-up, 967 bladder cancer cases occurred. We observed a positive though statistically non-significant association between PM2.5 and bladder cancer incidence. Hazard Ratios (HR) were 1.09 (95% confidence interval (CI): 0.93–1.27) per 5 µg/m3 for 2010 exposure and 1.06 (95% CI: 0.99–1.14) for baseline exposure. Effect estimates for NO2, BC and O3 were close to unity. A positive association was observed with PM2.5 zinc (HR 1.08; 95% CI: 1.00–1.16 per 10 ng/m3).
Conclusions
We found suggestive evidence of an association between long-term PM2.5 mass exposure and bladder cancer, strengthening the evidence from the few previous studies. The association with zinc in PM2.5 suggests the importance of industrial emissions.
The evidence linking ambient air pollution to bladder cancer is limited and mixed.
Methods
We assessed the associations of bladder cancer incidence with residential exposure to fine particles (PM2.5), nitrogen dioxide (NO2), black carbon (BC), warm season ozone (O3) and eight PM2.5 elemental components (copper, iron, potassium, nickel, sulfur, silicon, vanadium, and zinc) in a pooled cohort (N = 302,493). Exposures were primarily assessed based on 2010 measurements and back-extrapolated to the baseline years. We applied Cox proportional hazard models adjusting for individual- and area-level potential confounders.
Results
During an average of 18.2 years follow-up, 967 bladder cancer cases occurred. We observed a positive though statistically non-significant association between PM2.5 and bladder cancer incidence. Hazard Ratios (HR) were 1.09 (95% confidence interval (CI): 0.93–1.27) per 5 µg/m3 for 2010 exposure and 1.06 (95% CI: 0.99–1.14) for baseline exposure. Effect estimates for NO2, BC and O3 were close to unity. A positive association was observed with PM2.5 zinc (HR 1.08; 95% CI: 1.00–1.16 per 10 ng/m3).
Conclusions
We found suggestive evidence of an association between long-term PM2.5 mass exposure and bladder cancer, strengthening the evidence from the few previous studies. The association with zinc in PM2.5 suggests the importance of industrial emissions.
| Original language | English |
|---|---|
| Pages (from-to) | 1499-1507 |
| Number of pages | 9 |
| Journal | British Journal of Cancer |
| Volume | 126 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 2022 |
Bibliographical note
Times Cited: 0 Cited Reference Count: 0 Chen, Jie Rodopoulou, Sophia Strak, Maciej de Hoogh, Kees Taj, Tahir Poulsen, Aslak Harbo Andersen, Zorana J. Bellander, Tom Brandt, Jorgen Zitt, Emanuel Fecht, Daniela Forastiere, Francesco Gulliver, John Hertel, Ole Hoffmann, Barbara Hvidtfeldt, Ulla Arthur Verschuren, W. M. Monique Jorgensen, Jeanette T. Katsouyanni, Klea Ketzel, Matthias Lager, Anton Leander, Karin Liu, Shuo Ljungman, Petter Severi, Gianluca Boutron-Ruault, Marie-Christine Magnusson, Patrik K. E. Nagel, Gabriele Pershagen, Goran Peters, Annette Rizzuto, Debora van der Schouw, Yvonne T. Samoli, Evangelia Sorensen, Mette Stafoggia, Massimo Tjonneland, Anne Weinmayr, Gudrun Wolf, Kathrin Brunekreef, Bert Raaschou-Nielsen, Ole Hoek, Gerard Boutron-Ruault, Marie-Christine/H-3936-2014; Joergensen, Jeanette/AAC-2884-2020; Severi, Gianluca/H-3774-2018; Chen, Jie/AFN-2387-2022; KETZEL, Matthias/K-4246-2015; de Hoogh, Kees/ABE-1274-2021; Lager, Anton/AAD-1124-2020; Leander, Karin/C-7261-2017; Breteler, Monique/J-5058-2014; Stafoggia, Massimo/K-2261-2016; brunekreef, bert/ACN-0336-2022; van der Schouw, Yvonne/F-8327-2014; , Daniela/HRD-8206-2023; Magnusson, Patrik/C-4458-2017; Zitt, Emanuel/ABE-1926-2020; Hertel, Ole/L-4346-2013; Rizzuto, Debora/V-1890-2018; Tjonneland, Anne/AGU-0320-2022; Ljungman, Petter/C-6371-2014; Wolf, Kathrin/I-4461-2017; Brandt, Jørgen/B-3733-2011; Peters, Annette/A-6117-2011; Andersen, Zorana Jovanovic/P-4983-2014; Hertel, Ole/GOK-0338-2022 Chen, Jie/0000-0001-9644-8026; KETZEL, Matthias/0000-0001-9519-1935; Gulliver, John/0000-0003-3423-2013; Hertel, Ole/0000-0003-0972-7735; Rizzuto, Debora/0000-0001-6199-9629; , Evangelia/0000-0002-9266-9929; taj, tahir/0009-0001-6263-2615; Tjonneland, Anne/0000-0003-4385-2097; Ljungman, Petter/0000-0002-7815-2632; Wolf, Kathrin/0000-0002-4343-201X; Brandt, Jørgen/0000-0002-7580-9547; Poulsen, Aslak/0000-0003-4456-4169; Peters, Annette/0000-0001-6645-0985; Andersen, Zorana Jovanovic/0000-0003-4138-9828; Hertel, Ole/0000-0003-0972-7735 1532-1827UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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