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dc.contributor.authorBooker, Lauren A-
dc.contributor.authorBarnes, Maree-
dc.contributor.authorAlvaro, Pasquale-
dc.contributor.authorCollins, Allison L-
dc.contributor.authorChai-Coetzer, Ching Li-
dc.contributor.authorMcMahon, Marcus A-
dc.contributor.authorLockley, Steven W-
dc.contributor.authorRajaratnam, Shantha M W-
dc.contributor.authorHoward, Mark E-
dc.contributor.authorSletten, Tracey L-
dc.identifier.citationSleep 2019; online first: 22 October-
dc.description.abstractA high proportion (20%-30%) of shift workers experience Shift Work Disorder (SWD), characterized by chronic sleepiness and/or insomnia associated with work schedules. The reasons for individual variation in shift work tolerance are not well understood, however. The aim of this study was to identify individual factors that contribute to the risk of SWD. Nurses (n = 202) were categorized as low or high risk of SWD based on the Shift Work Disorder Questionnaire. Participants provided demographic and lifestyle information and completed the Sleep Hygiene Index (SHI) and Morningness-Eveningness Questionnaire (MEQ). High risk of SWD was associated with poorer sleep hygiene (SHI, 35.41 ± 6.19 vs. 31.49 ± 7.08, p < .0001) and greater eveningness (MEQ, 34.73 ± 6.13 vs. 37.49 ± 6.45, p = .005) compared to low risk. No other factors, including body mass index, marital status, having children, or caffeine or alcohol intake were significant. Logistic regression showed that SHI was the most significant contributing factor to SWD risk (odds ratio [OR] = 1.09, 95% confidence interval [CI] = 1.04 to 1.14). Standardized odds ratio further revealed that with every unit increase on the SHI score, the odds of being at high risk of SWD increased by 80% (OR = 1.84). Most individuals at high risk of SWD reported "always" or "frequently" going to bed at different times (79%) and waking at different times (83%; compared to 58%, p = .017, and 61%, p = .002, respectively for the low-risk group), as well as going to bed stressed/angry (67% vs. 41%, p < .0001) and/or planning/worrying in bed (54% vs. 22%, p < .0001). Interventions aimed at improving sleep hygiene practices and psychological health of shift workers may help reduce the risk of SWD.-
dc.subjectcircadian rhythm-
dc.subjecthealth care-
dc.subjectshift work-
dc.titleThe role of sleep hygiene in the risk of Shift Work Disorder in nurses.-
dc.typeJournal Article-
dc.identifier.affiliationFlinders University, School of Psychology, Adelaide, South Australia, Australiaen
dc.identifier.affiliationRespiratory and Sleep Services, Southern Adelaide Local Health Network, SA Health, Adelaide, South Australia, Australiaen
dc.identifier.affiliationDepartment of Medicine, University of Melbourne, Parkville, Victoria, Australiaen
dc.identifier.affiliationSchool of Psychological Sciences and Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Victoria, Australiaen
dc.identifier.affiliationDepartment of Medicine, Cooperative Research Centre for Alertness, Safety and Productivity, University of Melbourne, Melbourne, Victoria, Australiaen
dc.identifier.affiliationDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, MAen
dc.identifier.affiliationDivision of Sleep Medicine, Harvard Medical School, Boston, MAen
dc.identifier.affiliationInstitute for Breathing and Sleep, Austin Health, Heidelberg, Victoria, Australiaen
dc.identifier.affiliationAdelaide Institute for Sleep Health: A Flinders Centre of Research Excellence, Flinders University, Adelaide, South Australia, Australiaen
dc.type.austinJournal Article-
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