Journal article
Improving Assessment of Lifetime Solar Ultraviolet Radiation Exposure in Epidemiologic Studies: Comparison of Ultraviolet Exposure Assessment Methods in a Nationwide U.S. Occupational Cohort
Photochemistry and Photobiology, Vol.94(6), pp.1297-1307
2018
Abstract
Solar ultraviolet radiation is the primary risk factor for skin cancers and sun-related eye disorders. Estimates of individual ambient ultraviolet irradiance derived from ground-based solar measurements and from satellite measurements have rarely been compared. Using self-reported residential history from 67 189 persons in a nationwide occupational US radiologic technologists' cohort, we estimated ambient solar irradiance using data from ground-based meters and noontime satellite measurements. The mean distance moved from city of longest residence in childhood increased from 137.6 km at ages 13-19 to 870.3 km at ages ≥65, with corresponding increases in absolute latitude difference moved. At ages 20/40/60/80, the Pearson/Spearman correlation coefficients of ground-based and satellite-derived potential solar ultraviolet exposure, using irradiance and cumulative radiant exposure metrics, were high (=0.87-0.92). There was also moderate correlation (Pearson/Spearman correlation coefficients = 0.51-0.60) between irradiance at birth and at last-known address, for ground-based and satellite data. Satellite-based lifetime estimates of ultraviolet radiation were generally 14-15% lower than ground-based estimates, albeit with substantial uncertainties, possibly because ground-based estimates incorporate fluctuations in cloud and ozone, which are incompletely incorporated in the single noontime satellite-overpass ultraviolet value. If confirmed elsewhere, the findings suggest that ground-based estimates may improve exposure assessment accuracy and potentially provide new insights into ultraviolet radiation-disease relationships in epidemiologic studies.
Details
- Title
- Improving Assessment of Lifetime Solar Ultraviolet Radiation Exposure in Epidemiologic Studies: Comparison of Ultraviolet Exposure Assessment Methods in a Nationwide U.S. Occupational Cohort
- Authors
- Mark P Little (Corresponding Author) - National Cancer InstituteZaria Tatalovich (Author) - National Cancer InstituteMartha S Linet (Author) - National Cancer InstituteMichelle Fang (Author) - National Cancer InstituteGerald M Kendall (Author) - University of OxfordMichael G Kimlin (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- Photochemistry and Photobiology, Vol.94(6), pp.1297-1307
- Publisher
- Wiley-Blackwell Publishing Inc.
- Date published
- 2018
- DOI
- 10.1111/php.12964
- ISSN
- 0031-8655
- Copyright note
- Copyright © 2018 The Author. This is the accepted version of the following article: Little, Mark P; Tatalovich, Zaria; Linet, Martha S; Fang, Michelle; Kendall, Gerald M; Kimlin, Michael G (2018) Improving Assessment of Lifetime Solar Ultraviolet Radiation Exposure in Epidemiologic Studies: Comparison of Ultraviolet Exposure Assessment Methods in a Nationwide U.S. Occupational Cohort, Photochemistry and Photobiology, 94:6, 1297-1307, which has been published in final form at http://dx.doi.org/10.1111/php.12964
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy
- Language
- English
- Record Identifier
- 99450759702621
- Output Type
- Journal article
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