Associations between sources of particle number and mortality in four European cities

Ioar Rivas; Laia Vicens; Xavier Basagaña; Aurelio Tobías; Klea Katsouyanni; Heather Walton; Christoph Hüglin; Andrés Alastuey; Markku Kulmala; Roy M. Harrison; Juha Pekkanen; Xavier Querol; Jordi Sunyer; Frank J. Kelly

doi:10.1016/j.envint.2021.106662

Associations between sources of particle number and mortality in four European cities

Ioar Rivas^*, Laia Vicens, Xavier Basagaña, Aurelio Tobías, Klea Katsouyanni, Heather Walton, Christoph Hüglin, Andrés Alastuey, Markku Kulmala, Roy M. Harrison, Juha Pekkanen, Xavier Querol, Jordi Sunyer, Frank J. Kelly

^*Corresponding author for this work

Earth and Environmental Sciences

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Abstract

Background: The evidence on the association between ultrafine (UFP) particles and mortality is still inconsistent. Moreover, health effects of specific UFP sources have not been explored. We assessed the impact of UFP sources on daily mortality in Barcelona, Helsinki, London, and Zurich.

Methods: UFP sources were previously identified and quantified for the four cities: daily contributions of photonucleation, two traffic sources (fresh traffic and urban, with size mode around 30 nm and 70 nm, respectively), and secondary aerosols were obtained from data from an urban background station. Different periods were investigated in each city: Barcelona 2013–2016, Helsinki 2009–2016, London 2010–2016, and Zurich 2011–2014. The associations between total particle number concentrations (PNC) and UFP sources and daily (natural, cardiovascular [CVD], and respiratory) mortality were investigated using city-specific generalized linear models (GLM) with quasi-Poisson regression.

Results: We found inconsistent results across cities, sources, and lags for associations with natural, CVD, and respiratory mortality. Increased risk was observed for total PNC and natural mortality in Helsinki (lag 2; 1.3% [0.07%, 2.5%]), CVD mortality in Barcelona (lag 1; 3.7% [0.17%, 7.4%]) and Zurich (lag 0; 3.8% [0.31%, 7.4%]), and respiratory mortality in London (lag 3; 2.6% [0.84%, 4.45%]) and Zurich (lag 1; 9.4% [1.0%, 17.9%]). A similar pattern of associations between health outcomes and total PNC was followed by the fresh traffic source, for which we also found the same associations and lags as for total PNC. The urban source (mostly aged traffic) was associated with respiratory mortality in Zurich (lag 1; 12.5% [1.7%, 24.2%]) and London (lag 3; 2.4% [0.90%, 4.0%]) while the secondary source was associated with respiratory mortality in Zurich (lag 1: 12.0% [0.63%, 24.5%]) and Helsinki (4.7% [0.11%, 9.5%]). Reduced risk for the photonucleation source was observed for respiratory mortality in Barcelona (lag 2, −8.6% [−14.5%, −2.4%]) and for CVD mortality in Helsinki, as this source is present only in clean atmospheres (lag 1, −1.48 [−2.75, −0.21]).

Conclusions: We found inconsistent results across cities, sources and lags for associations with natural, CVD, and respiratory mortality.

Original language	English
Article number	106662
Number of pages	10
Journal	Environment International
Volume	155
Early online date	4 Jun 2021
DOIs	https://doi.org/10.1016/j.envint.2021.106662
Publication status	Published - Oct 2021

Bibliographical note

Funding Information:
HW’s post was partially funded by the UK National Institute for Health Research Health Protection Research Unit on Environmental Exposures and Health at Imperial College London in partnership with Public Health England, King’s College London and the MTC Toxicology Unit, Cambridge. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, the Department of Health & Social Care or Public Health England.

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 747882. While writing the manuscript, Dr. Rivas was funded by the postdoctoral fellowship programme Beatriu de Pinós (2018 BP 00114), funded by the Secretary of Universities and Research (Government of Catalonia) and by the Horizon 2020 programme of research and innovation of the European Union under the Marie Sklodowska-Curie grant agreement No 801370. Currently, Dr. Rivas is funded by the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 886121.

This work was supported by FEDER funds; projects HOUSE (CGL2016-78594-R) and CAIAC (PID2019-108990RB-I00), the Government of Catalonia (AGAUR 2017 SGR41). The authors also acknowledge the Project PI16/00118 funded by the Instituto de Salud Carlos III and co-funded by the European Regional Development Fund (ERDF) “A way to make Europe”.

This work was produced using statistical data from ONS. The use of the ONS statistical data in this work does not imply the endorsement of the ONS in relation to the interpretation or analysis of the statistical data. This work uses research datasets which may not exactly reproduce National Statistics aggregates.

Publisher Copyright:
© 2021 The Authors

Keywords

Daily mortality
Particle Number
Sources of Ultrafine Particles
Time Series
Ultrafine particles

ASJC Scopus subject areas

Environmental Science(all)

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Rivas, I., Vicens, L., Basagaña, X., Tobías, A., Katsouyanni, K., Walton, H., Hüglin, C., Alastuey, A., Kulmala, M., Harrison, R. M., Pekkanen, J., Querol, X., Sunyer, J., & Kelly, F. J. (2021). Associations between sources of particle number and mortality in four European cities. Environment International, 155, Article 106662. Advance online publication. https://doi.org/10.1016/j.envint.2021.106662

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title = "Associations between sources of particle number and mortality in four European cities",

abstract = "Background: The evidence on the association between ultrafine (UFP) particles and mortality is still inconsistent. Moreover, health effects of specific UFP sources have not been explored. We assessed the impact of UFP sources on daily mortality in Barcelona, Helsinki, London, and Zurich. Methods: UFP sources were previously identified and quantified for the four cities: daily contributions of photonucleation, two traffic sources (fresh traffic and urban, with size mode around 30 nm and 70 nm, respectively), and secondary aerosols were obtained from data from an urban background station. Different periods were investigated in each city: Barcelona 2013–2016, Helsinki 2009–2016, London 2010–2016, and Zurich 2011–2014. The associations between total particle number concentrations (PNC) and UFP sources and daily (natural, cardiovascular [CVD], and respiratory) mortality were investigated using city-specific generalized linear models (GLM) with quasi-Poisson regression. Results: We found inconsistent results across cities, sources, and lags for associations with natural, CVD, and respiratory mortality. Increased risk was observed for total PNC and natural mortality in Helsinki (lag 2; 1.3% [0.07%, 2.5%]), CVD mortality in Barcelona (lag 1; 3.7% [0.17%, 7.4%]) and Zurich (lag 0; 3.8% [0.31%, 7.4%]), and respiratory mortality in London (lag 3; 2.6% [0.84%, 4.45%]) and Zurich (lag 1; 9.4% [1.0%, 17.9%]). A similar pattern of associations between health outcomes and total PNC was followed by the fresh traffic source, for which we also found the same associations and lags as for total PNC. The urban source (mostly aged traffic) was associated with respiratory mortality in Zurich (lag 1; 12.5% [1.7%, 24.2%]) and London (lag 3; 2.4% [0.90%, 4.0%]) while the secondary source was associated with respiratory mortality in Zurich (lag 1: 12.0% [0.63%, 24.5%]) and Helsinki (4.7% [0.11%, 9.5%]). Reduced risk for the photonucleation source was observed for respiratory mortality in Barcelona (lag 2, −8.6% [−14.5%, −2.4%]) and for CVD mortality in Helsinki, as this source is present only in clean atmospheres (lag 1, −1.48 [−2.75, −0.21]). Conclusions: We found inconsistent results across cities, sources and lags for associations with natural, CVD, and respiratory mortality.",

keywords = "Daily mortality, Particle Number, Sources of Ultrafine Particles, Time Series, Ultrafine particles",

author = "Ioar Rivas and Laia Vicens and Xavier Basaga{\~n}a and Aurelio Tob{\'i}as and Klea Katsouyanni and Heather Walton and Christoph H{\"u}glin and Andr{\'e}s Alastuey and Markku Kulmala and Harrison, {Roy M.} and Juha Pekkanen and Xavier Querol and Jordi Sunyer and Kelly, {Frank J.}",

note = "Funding Information: HW{\textquoteright}s post was partially funded by the UK National Institute for Health Research Health Protection Research Unit on Environmental Exposures and Health at Imperial College London in partnership with Public Health England, King{\textquoteright}s College London and the MTC Toxicology Unit, Cambridge. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, the Department of Health & Social Care or Public Health England. This project has received funding from the European Union{\textquoteright}s Horizon 2020 research and innovation programme under the Marie Sk{\l}odowska-Curie grant agreement No 747882. While writing the manuscript, Dr. Rivas was funded by the postdoctoral fellowship programme Beatriu de Pin{\'o}s (2018 BP 00114), funded by the Secretary of Universities and Research (Government of Catalonia) and by the Horizon 2020 programme of research and innovation of the European Union under the Marie Sklodowska-Curie grant agreement No 801370. Currently, Dr. Rivas is funded by the European Union{\textquoteright}s Horizon 2020 research and innovation programme under the Marie Sk{\l}odowska-Curie grant agreement No 886121. This work was supported by FEDER funds; projects HOUSE (CGL2016-78594-R) and CAIAC (PID2019-108990RB-I00), the Government of Catalonia (AGAUR 2017 SGR41). The authors also acknowledge the Project PI16/00118 funded by the Instituto de Salud Carlos III and co-funded by the European Regional Development Fund (ERDF) “A way to make Europe”. This work was produced using statistical data from ONS. The use of the ONS statistical data in this work does not imply the endorsement of the ONS in relation to the interpretation or analysis of the statistical data. This work uses research datasets which may not exactly reproduce National Statistics aggregates. Publisher Copyright: {\textcopyright} 2021 The Authors ",

year = "2021",

month = oct,

doi = "10.1016/j.envint.2021.106662",

language = "English",

volume = "155",

journal = "Environment International",

issn = "0160-4120",

publisher = "Elsevier",

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TY - JOUR

T1 - Associations between sources of particle number and mortality in four European cities

AU - Rivas, Ioar

AU - Vicens, Laia

AU - Basagaña, Xavier

AU - Tobías, Aurelio

AU - Katsouyanni, Klea

AU - Walton, Heather

AU - Hüglin, Christoph

AU - Alastuey, Andrés

AU - Kulmala, Markku

AU - Harrison, Roy M.

AU - Pekkanen, Juha

AU - Querol, Xavier

AU - Sunyer, Jordi

AU - Kelly, Frank J.

N1 - Funding Information: HW’s post was partially funded by the UK National Institute for Health Research Health Protection Research Unit on Environmental Exposures and Health at Imperial College London in partnership with Public Health England, King’s College London and the MTC Toxicology Unit, Cambridge. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, the Department of Health & Social Care or Public Health England. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 747882. While writing the manuscript, Dr. Rivas was funded by the postdoctoral fellowship programme Beatriu de Pinós (2018 BP 00114), funded by the Secretary of Universities and Research (Government of Catalonia) and by the Horizon 2020 programme of research and innovation of the European Union under the Marie Sklodowska-Curie grant agreement No 801370. Currently, Dr. Rivas is funded by the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 886121. This work was supported by FEDER funds; projects HOUSE (CGL2016-78594-R) and CAIAC (PID2019-108990RB-I00), the Government of Catalonia (AGAUR 2017 SGR41). The authors also acknowledge the Project PI16/00118 funded by the Instituto de Salud Carlos III and co-funded by the European Regional Development Fund (ERDF) “A way to make Europe”. This work was produced using statistical data from ONS. The use of the ONS statistical data in this work does not imply the endorsement of the ONS in relation to the interpretation or analysis of the statistical data. This work uses research datasets which may not exactly reproduce National Statistics aggregates. Publisher Copyright: © 2021 The Authors

PY - 2021/10

Y1 - 2021/10

N2 - Background: The evidence on the association between ultrafine (UFP) particles and mortality is still inconsistent. Moreover, health effects of specific UFP sources have not been explored. We assessed the impact of UFP sources on daily mortality in Barcelona, Helsinki, London, and Zurich. Methods: UFP sources were previously identified and quantified for the four cities: daily contributions of photonucleation, two traffic sources (fresh traffic and urban, with size mode around 30 nm and 70 nm, respectively), and secondary aerosols were obtained from data from an urban background station. Different periods were investigated in each city: Barcelona 2013–2016, Helsinki 2009–2016, London 2010–2016, and Zurich 2011–2014. The associations between total particle number concentrations (PNC) and UFP sources and daily (natural, cardiovascular [CVD], and respiratory) mortality were investigated using city-specific generalized linear models (GLM) with quasi-Poisson regression. Results: We found inconsistent results across cities, sources, and lags for associations with natural, CVD, and respiratory mortality. Increased risk was observed for total PNC and natural mortality in Helsinki (lag 2; 1.3% [0.07%, 2.5%]), CVD mortality in Barcelona (lag 1; 3.7% [0.17%, 7.4%]) and Zurich (lag 0; 3.8% [0.31%, 7.4%]), and respiratory mortality in London (lag 3; 2.6% [0.84%, 4.45%]) and Zurich (lag 1; 9.4% [1.0%, 17.9%]). A similar pattern of associations between health outcomes and total PNC was followed by the fresh traffic source, for which we also found the same associations and lags as for total PNC. The urban source (mostly aged traffic) was associated with respiratory mortality in Zurich (lag 1; 12.5% [1.7%, 24.2%]) and London (lag 3; 2.4% [0.90%, 4.0%]) while the secondary source was associated with respiratory mortality in Zurich (lag 1: 12.0% [0.63%, 24.5%]) and Helsinki (4.7% [0.11%, 9.5%]). Reduced risk for the photonucleation source was observed for respiratory mortality in Barcelona (lag 2, −8.6% [−14.5%, −2.4%]) and for CVD mortality in Helsinki, as this source is present only in clean atmospheres (lag 1, −1.48 [−2.75, −0.21]). Conclusions: We found inconsistent results across cities, sources and lags for associations with natural, CVD, and respiratory mortality.

AB - Background: The evidence on the association between ultrafine (UFP) particles and mortality is still inconsistent. Moreover, health effects of specific UFP sources have not been explored. We assessed the impact of UFP sources on daily mortality in Barcelona, Helsinki, London, and Zurich. Methods: UFP sources were previously identified and quantified for the four cities: daily contributions of photonucleation, two traffic sources (fresh traffic and urban, with size mode around 30 nm and 70 nm, respectively), and secondary aerosols were obtained from data from an urban background station. Different periods were investigated in each city: Barcelona 2013–2016, Helsinki 2009–2016, London 2010–2016, and Zurich 2011–2014. The associations between total particle number concentrations (PNC) and UFP sources and daily (natural, cardiovascular [CVD], and respiratory) mortality were investigated using city-specific generalized linear models (GLM) with quasi-Poisson regression. Results: We found inconsistent results across cities, sources, and lags for associations with natural, CVD, and respiratory mortality. Increased risk was observed for total PNC and natural mortality in Helsinki (lag 2; 1.3% [0.07%, 2.5%]), CVD mortality in Barcelona (lag 1; 3.7% [0.17%, 7.4%]) and Zurich (lag 0; 3.8% [0.31%, 7.4%]), and respiratory mortality in London (lag 3; 2.6% [0.84%, 4.45%]) and Zurich (lag 1; 9.4% [1.0%, 17.9%]). A similar pattern of associations between health outcomes and total PNC was followed by the fresh traffic source, for which we also found the same associations and lags as for total PNC. The urban source (mostly aged traffic) was associated with respiratory mortality in Zurich (lag 1; 12.5% [1.7%, 24.2%]) and London (lag 3; 2.4% [0.90%, 4.0%]) while the secondary source was associated with respiratory mortality in Zurich (lag 1: 12.0% [0.63%, 24.5%]) and Helsinki (4.7% [0.11%, 9.5%]). Reduced risk for the photonucleation source was observed for respiratory mortality in Barcelona (lag 2, −8.6% [−14.5%, −2.4%]) and for CVD mortality in Helsinki, as this source is present only in clean atmospheres (lag 1, −1.48 [−2.75, −0.21]). Conclusions: We found inconsistent results across cities, sources and lags for associations with natural, CVD, and respiratory mortality.

KW - Daily mortality

KW - Particle Number

KW - Sources of Ultrafine Particles

KW - Time Series

KW - Ultrafine particles

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DO - 10.1016/j.envint.2021.106662

M3 - Article

C2 - 34098335

AN - SCOPUS:85108066530

SN - 0160-4120

VL - 155

JO - Environment International

JF - Environment International

M1 - 106662

ER -

Associations between sources of particle number and mortality in four European cities

Abstract

Bibliographical note

Keywords

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