PuSH - Publikationsserver des Helmholtz Zentrums München

Rabstein, S.* ; Burek, K.* ; Lehnert, M.* ; Beine, A.* ; Vetter, C.* ; Harth, V.* ; Putzke, S.* ; Kantermann, T.* ; Walther, J.* ; Wang-Sattler, R. ; Pallapies, D.* ; Brüning, T.* ; Behrens, T.*

Differences in twenty-four-hour profiles of blue-light exposure between day and night shifts in female medical staff.

Sci. Total Environ. 653, 1025-1033 (2019)
DOI Verlagsversion bestellen
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Light is the strongest zeitgeber currently known for the synchronization of the human circadian timing system. Especially shift workers are exposed to altered daily light profiles. Our objective is the characterization of differences in blue-light exposures between day and night shift taking into consideration modifying factors such as chronotype. We describe 24-hour blue-light profiles as measured with ambient light data loggers (LightWatcher) during up to three consecutive days with either day or night shifts in 100 female hospital staff including 511 observations. Linear mixed models were applied to analyze light profiles and to select time-windows for the analysis of associations between shift work, individual factors, and log mean light exposures as well as the duration of darkness per day. Blue-light profiles reflected different daily activities and were mainly influenced by work time. Except for evening (7-9 p.m.), all time windows showed large differences in blue-light exposures between day and night shifts. Night work reduced the duration of darkness per day by almost 4 h (beta = -3:48 hh:mm, 95% CI (-4:27;-3.09)). Late chronotypes had higher light exposures in the morning and evening compared to women with intermediate chronotype (e.g. morning beta = 0.50 log(mW/m(2)/nm), 95% CI (0.08; 0.93)). Women with children had slightly higher light exposures in the afternoon than women without children (beta = 0.48, 95% CI (-0.10; 1,06)). Time windows for the description of light should be chosen carefully with regard to timing of shifts. Our results are helpful for future studies to capture relevant light exposure differences and potential collinearities with individual factors. Improvement of well-being of shift workers with altered light profiles may therefore require consideration of both - light at the workplace and outside working hours. (c) 2018 Elsevier B.V. All rights reserved.
Weitere Metriken?
Zusatzinfos bearbeiten [➜Einloggen]
Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Artificial Light At Night (alan) ; Circadian Disruption ; Light At Night (lan) ; Field Study ; Work Exposure ; Lifestyle; Melatonin Levels; Ganglion-cells; Work; Sleep; Mechanisms; Cancer; Risk
ISSN (print) / ISBN 0048-9697
e-ISSN 1879-1026
Quellenangaben Band: 653, Heft: , Seiten: 1025-1033 Artikelnummer: , Supplement: ,
Verlag Elsevier
Verlagsort Po Box 211, 1000 Ae Amsterdam, Netherlands
Begutachtungsstatus Peer reviewed