{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T11:18:14Z","timestamp":1792063094471,"version":"4.4.0"},"reference-count":51,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,2,20]],"date-time":"2019-02-20T00:00:00Z","timestamp":1550620800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001734","name":"K\u00f8benhavns Universitet","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001734","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Photoderm Photoimm Photomed"],"published-print":{"date-parts":[[2019,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The risk of photoaging and actinic keratosis caused by work related solar ultraviolet radiation exposure has not previously been investigated in Nordic countries. The objectives of this study were to describe the occurrence of photoaging, actinic keratosis, and keratinocyte cancer in a population of Danish outdoor and indoor workers, and investigate the association between these clinical findings and semi\u2010objective measures of work related solar ultraviolet radiation exposure in the same population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A clinical cross\u2010sectional study of the occurrence of facial wrinkles, actinic keratosis, keratinocyte cancer, and melanocytic nevi in a population of Danish outdoor and indoor workers and associations with semi\u2010objective measures of work related solar ultraviolet radiation exposure based on a combination of dosimetry and self\u2010report.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Work related solar ultraviolet radiation exposure was significantly positively associated with occurrence of facial wrinkles (\u03b1\u00a0=\u00a00.05). Actinic keratosis was associated to status as outdoor worker (<jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\u00a0=\u00a04.272, <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> [1.045\u201017.471]) and age (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001, <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> [1.077\u20101.262]) and twice as common in outdoor workers (10.3% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> [0.05, 0.15]) compared to indoor workers (5.1% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> [0.00, 0.10]). Only two cases of keratinocyte cancer were diagnosed (&lt;1%). Older age was negatively associated with occurrence of melanocytic nevi.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Outdoor work in Denmark is associated with increased occurrence of facial wrinkles and actinic keratosis from solar ultraviolet radiation exposure, thus justifying sun safety at Danish workplaces from a clinical perspective.<\/jats:p><\/jats:sec>","DOI":"10.1111\/phpp.12451","type":"journal-article","created":{"date-parts":[[2019,1,28]],"date-time":"2019-01-28T09:06:15Z","timestamp":1548666375000},"page":"201-207","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Photoaging and actinic keratosis in Danish outdoor and indoor workers"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3593-0155","authenticated-orcid":false,"given":"Kasper","family":"Grandahl","sequence":"first","affiliation":[{"name":"The Department of Occupational Medicine Copenhagen University Holbaek  Holbaek Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonas","family":"Olsen","sequence":"additional","affiliation":[{"name":"The Department of Dermatology Zealand University Hospital Roskilde  Roskilde Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kersti Brosb\u00f8l Engelund","family":"Friis","sequence":"additional","affiliation":[{"name":"The Department of Dermatology Zealand University Hospital Roskilde  Roskilde Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ole Steen","family":"Mortensen","sequence":"additional","affiliation":[{"name":"The Department of Occupational Medicine Copenhagen University Holbaek  Holbaek Denmark"},{"name":"Department of Public Health Section of Social Medicine University of Copenhagen  Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristina Sophie","family":"Ibler","sequence":"additional","affiliation":[{"name":"The Department of Dermatology Zealand University Hospital Roskilde  Roskilde Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,2,20]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.maturitas.2011.04.011"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.2011.10416.x"},{"key":"e_1_2_7_4_1","doi-asserted-by":"crossref","first-page":"993","DOI":"10.1097\/DSS.0000000000000457","article-title":"Optical Coherence tomography imaging of normal, chronologically aged, photoaged and photodamaged skin","volume":"41","author":"Mamalis A","year":"2015","journal-title":"Dermatologic Surg"},{"key":"e_1_2_7_5_1","author":"Agner T","journal-title":"A scientific review addressing occupational skin cancer"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/exd.12388"},{"key":"e_1_2_7_7_1","unstructured":"The Canadian Dermatology Association information home page; topic photoaging.https:\/\/dermatology.ca\/public-patients\/skin\/photoaging\/. 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