Association between chronotype and psychomotor performance of rotating shift workers

Abstract It is known that the chronotype potentially mediates the performance and tolerance to work in shifts and that shift rotation is associated with negative effects on psychomotor performance. This study aimed to evaluate the effect of chronotype on psychomotor performance throughout a complete...

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Autores principales:	Dayane Eusenia Rosa, Luisa Pereira Marot, Marco Túlio de Mello, Elaine Cristina Marqueze, Fernanda Veruska Narciso, Lúcio Borges de Araújo, Cibele Aparecida Crispim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2829c940bc334cc1b528c95f54f12bc2
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spelling	oai:doaj.org-article:2829c940bc334cc1b528c95f54f12bc22021-12-02T11:45:01ZAssociation between chronotype and psychomotor performance of rotating shift workers10.1038/s41598-021-86299-82045-2322https://doaj.org/article/2829c940bc334cc1b528c95f54f12bc22021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86299-8https://doaj.org/toc/2045-2322Abstract It is known that the chronotype potentially mediates the performance and tolerance to work in shifts and that shift rotation is associated with negative effects on psychomotor performance. This study aimed to evaluate the effect of chronotype on psychomotor performance throughout a complete shift rotation schedule. Thirty males working in clockwise rotating shifts from a mining company were evaluated under a real-life condition over the following shift schedule: 2 days of day work, 2 days of evening work and 2 days of night work. The chronotype was determined using the Munich Chronotype Questionnaire adapted for shift workers and the obtained scores were categorized by tertiles (early-type, intermediate-type and late-type). Work performance was evaluated by Psychomotor Vigilance Test (PVT) daily just before shift starts and after shift ends. Sleep duration was evaluated by actigraphy over the whole shift. No isolated effect of the shift or interaction between shift and chronotype was found in the performance variables evaluated. A significant isolated effect of the chronotype showed that the early-type individuals had higher values of pre- and post-work Mean of Reaction Time (MRT) (308.77 ± 10.03 ms and 306.37 ± 8.53 ms, respectively) than the intermediate-type (257.61 ± 6.63 ms and 252.91 ± 5.97 ms, respectively, p < 0.001) and the late-type (273.35 ± 6.96 ms and 262.88 ± 6.05 ms, respectively, p < 0.001). In addition, late individuals presented a greater number of lapses of attention (5.00 ± 0.92; p < 0.05) than early (1.94 ± 0.50, p < 0.05) and intermediate (1.33 ± 0.30, p < 0.001) ones. We concluded that, compared with intermediates, late-type workers had a greater number of lapses of attention on the shift schedule as a whole, while early-type workers showed the highest pre- and post-work MRT. These findings show that the psychomotor performance of rotating shift workers seems to be influenced by the chronotype, but not by the shift rotation.Dayane Eusenia RosaLuisa Pereira MarotMarco Túlio de MelloElaine Cristina MarquezeFernanda Veruska NarcisoLúcio Borges de AraújoCibele Aparecida CrispimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Dayane Eusenia Rosa Luisa Pereira Marot Marco Túlio de Mello Elaine Cristina Marqueze Fernanda Veruska Narciso Lúcio Borges de Araújo Cibele Aparecida Crispim Association between chronotype and psychomotor performance of rotating shift workers
description	Abstract It is known that the chronotype potentially mediates the performance and tolerance to work in shifts and that shift rotation is associated with negative effects on psychomotor performance. This study aimed to evaluate the effect of chronotype on psychomotor performance throughout a complete shift rotation schedule. Thirty males working in clockwise rotating shifts from a mining company were evaluated under a real-life condition over the following shift schedule: 2 days of day work, 2 days of evening work and 2 days of night work. The chronotype was determined using the Munich Chronotype Questionnaire adapted for shift workers and the obtained scores were categorized by tertiles (early-type, intermediate-type and late-type). Work performance was evaluated by Psychomotor Vigilance Test (PVT) daily just before shift starts and after shift ends. Sleep duration was evaluated by actigraphy over the whole shift. No isolated effect of the shift or interaction between shift and chronotype was found in the performance variables evaluated. A significant isolated effect of the chronotype showed that the early-type individuals had higher values of pre- and post-work Mean of Reaction Time (MRT) (308.77 ± 10.03 ms and 306.37 ± 8.53 ms, respectively) than the intermediate-type (257.61 ± 6.63 ms and 252.91 ± 5.97 ms, respectively, p < 0.001) and the late-type (273.35 ± 6.96 ms and 262.88 ± 6.05 ms, respectively, p < 0.001). In addition, late individuals presented a greater number of lapses of attention (5.00 ± 0.92; p < 0.05) than early (1.94 ± 0.50, p < 0.05) and intermediate (1.33 ± 0.30, p < 0.001) ones. We concluded that, compared with intermediates, late-type workers had a greater number of lapses of attention on the shift schedule as a whole, while early-type workers showed the highest pre- and post-work MRT. These findings show that the psychomotor performance of rotating shift workers seems to be influenced by the chronotype, but not by the shift rotation.
format	article
author	Dayane Eusenia Rosa Luisa Pereira Marot Marco Túlio de Mello Elaine Cristina Marqueze Fernanda Veruska Narciso Lúcio Borges de Araújo Cibele Aparecida Crispim
author_facet	Dayane Eusenia Rosa Luisa Pereira Marot Marco Túlio de Mello Elaine Cristina Marqueze Fernanda Veruska Narciso Lúcio Borges de Araújo Cibele Aparecida Crispim
author_sort	Dayane Eusenia Rosa
title	Association between chronotype and psychomotor performance of rotating shift workers
title_short	Association between chronotype and psychomotor performance of rotating shift workers
title_full	Association between chronotype and psychomotor performance of rotating shift workers
title_fullStr	Association between chronotype and psychomotor performance of rotating shift workers
title_full_unstemmed	Association between chronotype and psychomotor performance of rotating shift workers
title_sort	association between chronotype and psychomotor performance of rotating shift workers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2829c940bc334cc1b528c95f54f12bc2
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Association between chronotype and psychomotor performance of rotating shift workers

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