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DC FieldValueLanguage
dc.contributor.author장태원-
dc.date.accessioned2019-12-01T13:21:29Z-
dc.date.available2019-12-01T13:21:29Z-
dc.date.issued2017-10-
dc.identifier.citationANNALS OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE, v. 29, Article no. 48en_US
dc.identifier.issn2052-4374-
dc.identifier.urihttps://aoemj.org/DOIx.php?id=10.1186/s40557-017-0203-y-
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/115898-
dc.description.abstractBackground: Sleepiness while driving has been regarded as a major cause of death due to traffic accidents. We compared the degree of sleepiness across five different working time periods (first, morning, post-lunch, afternoon, and last) among Korean bus drivers with different shift types (Daily two shift/Alternating day shift).Method: We interviewed 332 bus drivers with two shift types (Daily two shift, 128; Alternating day shift, 204). The questionnaire included demographic information (age, alcohol consumption and history of disease), a sleep disorder diagnosed by a doctor, job duration, the number of workdays in the past month, average working hours per workday and week, sleepiness while driving (Karolinska Sleepiness Scale), and sleeping time for both workdays and off-days. We conducted log-binomial regression analyses and produced prevalence ratios (PRs) of severe sleepiness (KSS >= 7) while driving with 95% confidence intervals (95% CI) to identify the difference in sleepiness for five working times between both groups.Results: For the first and morning periods, there were no statistically significant differences in the KSS scores between the two groups. However, from lunch to last driving, drivers with Alternating day shift had a much larger proportion of severe sleepiness than those on Daily two shift. Thirteen (10.2%), 2 (1.6%) and 7 (5.5%) Daily two shift workers reported severe sleepiness in the post-lunch, afternoon and last periods. In contrast, 81 (39.7%), 63 (30.9%) and 64 (31.4%) of Alternating day shift drivers experienced severe sleepiness during the post-lunch, afternoon and last driving periods (p < 0.0001). According to the log-binomial regression analyses, Alternating day shift was associated with severe sleepiness from lunch to last driving. After adjusting for job duration, alcohol consumption and sleeping time on workdays, the PRs were 3.97 (95% CI: 2.29-6.90) post-lunch, 18.26 (95% CI: 4.51-73.89) in the afternoon and 5.71 (95% CI: 2.51-12.99) for the last driving period.Conclusion: We found that Alternating day shift bus drivers suffered from more sleepiness while driving from lunch to last driving than Daily two shift bus drivers. This difference may be because Alternating day shift drivers had more irregular work schedules and longer working hours per day and week.en_US
dc.language.isoen_USen_US
dc.publisherBIOMED CENTRAL LTDen_US
dc.subjectSleepinessen_US
dc.subjectShiftworken_US
dc.subjectBus driversen_US
dc.subjectKarolinska sleepiness scaleen_US
dc.subjectTraffic accidentsen_US
dc.subjectOccupational driversen_US
dc.titleSleepiness while driving and shiftwork patterns among Korean bus driversen_US
dc.typeArticleen_US
dc.relation.no1-
dc.relation.volume29-
dc.identifier.doi10.1371/journal.pone.0185369-
dc.relation.page1-8-
dc.relation.journalAnnals of Occupational and Environmental Medicine-
dc.contributor.googleauthorLee, Seyoung-
dc.contributor.googleauthorKim, Hyoung-Ryoul-
dc.contributor.googleauthorByun, Junsu-
dc.contributor.googleauthorJang, Taewon-
dc.relation.code2017021353-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF MEDICINE[S]-
dc.sector.departmentDEPARTMENT OF MEDICINE-
dc.identifier.pidom1024-


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