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http://hdl.handle.net/1942/23291
Title: | Wearable Sensors for Personal Monitoring and Estimation of Inhaled Traffic-Related Air Pollution: Evaluation of Methods | Authors: | DONS, Evi LAEREMANS, Michelle Orjuela, Juan Pablo Avila-Palencia, Ione Carrasco-Turigas, Gloria Cole-Hunter, Tom Adaya-Boig, Esther Standaert, Arnout DE BOEVER, Patrick NAWROT, Tim Götschi, Thomas de Nazelle, Audrey Nieuwenhuijsen, Mark INT PANIS, Luc |
Issue Date: | 2017 | Source: | ENVIRONMENTAL SCIENCE & TECHNOLOGY, 51(3), p. 1859-1867 | Abstract: | Physical activity and ventilation rates have an effect on an individual’s dose and may be important to consider in exposure−response relationships; however, these factors are often ignored in environmental epidemiology studies. The aim of this study was to evaluate methods of estimating the inhaled dose of air pollution and understand variability in the absence of a true gold standard metric. Five types of methods were identified: (1) methods using (physical) activity types, (2) methods based on energy expenditure, METs (metabolic equivalents of task), and oxygen consumption, (3) methods based on heart rate or (4) breathing rate, and (5) methods that combine heart and breathing rate. Methods were compared using a real-life data set of 122 adults who wore devices to track movement, black carbon air pollution, and physiological health markers for 3 weeks in three European cities. Different methods for estimating minute ventilation performed well in relative terms with high correlations among different methods, but in absolute terms, ignoring increased ventilation during day-to-day activities could lead to an underestimation of the daily dose by a factor of 0.08−1.78. There is no single best method, and a multitude of methods are currently being used to approximate the dose. The choice of a suitable method for determining the dose in future studies will depend on both the size and the objectives of the study. | Notes: | Dons, E (reprint author), Hasselt Univ, Ctr Environm Sci, Agoralaan Bldg D, B-3590 Diepenbeek, Belgium. evi.dons@vito.be | Document URI: | http://hdl.handle.net/1942/23291 | ISSN: | 0013-936X | e-ISSN: | 1520-5851 | DOI: | 10.1021/acs.est.6b05782 | ISI #: | 000393738700097 | Rights: | © 2017 American Chemical Society | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2018 |
Appears in Collections: | Research publications |
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acs%2Eest%2E6b05782.pdf Restricted Access | Published version | 3.63 MB | Adobe PDF | View/Open Request a copy |
Dons,2017_wearables_inhaleddose.pdf | Peer-reviewed author version | 498.29 kB | Adobe PDF | View/Open |
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