Estimating personal solar ultraviolet radiation exposure through time spent outdoors, ambient levels and modelling approaches

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• dc.contributor.author Soueid, Lara
• dc.contributor.author Triguero Mas, Margarita, 1985-
• dc.contributor.author Dalmau Bueno, Albert
• dc.contributor.author Barrera Gómez, Jose
• dc.contributor.author Alonso García, Lucia
• dc.contributor.author Basagaña Flores, Xavier
• dc.contributor.author Thieden, Elisa
• dc.contributor.author Wulf, Hans Christian
• dc.contributor.author Diffey, Brian
• dc.contributor.author Young, Antony R.
• dc.contributor.author Nieuwenhuijsen, Mark J.
• dc.contributor.author Dadvand, Payam
• dc.date.accessioned 2022-04-29T06:43:36Z
• dc.date.available 2022-04-29T06:43:36Z
• dc.date.issued 2022
• dc.description.abstract Background: Evidence on validation of surrogates applied to evaluate the personal exposure levels of solar ultraviolet radiation (UVR) in epidemiological studies is scarce. Objectives: To determine and compare the validity of three approaches, including (i) ambient UVR levels, (ii) time spent outdoors and (iii) a modelling approach integrating the aforementioned parameters, to estimate personal UVR exposure over a period of 6 months among indoor and outdoor workers and in different seasons (summer/winter). Methods: This validation study was part of the European Commission-funded ICEPURE project and was performed between July 2010 and January 2011 in a convenience sample of indoor and outdoor workers in Catalunya, Spain. We developed linear regression models to quantify the variation in the objectively measured personal UVR exposure that could be explained, separately, by the ambient UVR, time spent outdoors and modelled UVR levels. Results: Our 39 participants - mostly male and with a median age of 35 years - presented a median daily objectively measured UVR of 0·37 standard erythemal doses. The UVR dose was statistically significantly higher in summer and for outdoor workers. The modelled personal UVR exposure and self-reported time spent outdoors could reasonably predict the variation in the objectively measured personal UVR levels (R2 range 0·75-0·79), whereas ambient UVR was a poor predictor (R2 = 0·21). No notable differences were found between seasons or occupation. Conclusions: Time outdoors and our modelling approach were reliable predictors and of value to be applied in epidemiological studies of the health effects of current exposure to UVR.
• dc.description.sponsorship This work forms part of the ICEPURE project which was funded by the European Commission Framework Program 7 (grant no. 227020). We are thankful to Mr Juan R. Moreta from the State Meteorological Agency (AEMET) for supplying us with the ambient UVR data. M.T.-M. is funded by a Juan de la Cierva fellowship (FJCI-2017-33842) and P.D. is funded by a Ramón y Cajal fellowship (RYC-2012-10995); both are awarded by the Spanish Ministry of Economy and Competitiveness. We acknowledge support from the Spanish Ministry of Science and Innovation through the ‘Centro de Excelencia Severo Ochoa 2019–2023’ Program (CEX2018-000806-S), and support from the Generalitat de Catalunya through the CERCA Program. The sponsor or funding organizations had no role in the design or conduct of this research, and all the authors declare that they have no conflict of interests.
• dc.format.mimetype application/pdf
• dc.identifier.citation Soueid L, Triguero-Mas M, Dalmau A, Barrera-Gómez J, Alonso L, Basagaña X, Thieden E, Wulf HC, Diffey B, Young AR, Nieuwenhuijsen M, Dadvand P. Estimating personal solar ultraviolet radiation exposure through time spent outdoors, ambient levels and modelling approaches. Br J Dermatol. 2022 Feb;186(2):266-73. DOI: 10.1111/bjd.20703
• dc.identifier.doi http://dx.doi.org/10.1111/bjd.20703
• dc.identifier.issn 0007-0963
• dc.identifier.uri http://hdl.handle.net/10230/52937
• dc.language.iso eng
• dc.publisher Wiley
• dc.relation.ispartof Br J Dermatol. 2022 Feb;186(2):266-73
• dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/227020
• dc.rights © 2021 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
• dc.title Estimating personal solar ultraviolet radiation exposure through time spent outdoors, ambient levels and modelling approaches
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion