Association between sleep quality and type of shift work in Korean firefightersopen access
- Authors
- Oh, Hyun-Jeong; Sim, Chang Sun; Jang, Tae-Won; Ahn, Yeon Soon; Jeong, Kyoung Sook
- Issue Date
- Oct-2022
- Publisher
- Korean Soc Occupational & Environmental Medicine
- Keywords
- Firefighters; Shift work; PSQI; Sleep quality
- Citation
- ANNALS OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE, v.34, pp.1 - 12
- Indexed
- SCOPUS
KCI
- Journal Title
- ANNALS OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
- Volume
- 34
- Start Page
- 1
- End Page
- 12
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/185217
- DOI
- 10.35371/aoem.2022.34.e27
- ISSN
- 1225-3618
- Abstract
- Background: Shift work that interferes with normal sleep patterns, is known to be a cause of sleep disturbance and has been studied through various occupational groups. However, it is not known which shift type is better for sleep health.Methods: This study included 568 firefighters. Sleep quality was evaluated using Pittsburgh Sleep Quality Index. Sleep quality was categorized into 2 groups; good quality (<= 5 points) and poor quality (>= 6 points). Demographic variables, depression, anxiety, type of shift, and job were collected by self-reported questionnaires. The chi 2 test, t-test, and multiple logistic regression analysis were used to evaluate the effect of shift type on the sleep quality of firefighters. Results: Three hundred thirty-seven firefighters (59.3%) have poor sleep quality. Compared to day workers, the odds ratios (ORs) of poor sleep quality were 2.169 (95% confidence interval: 1.137-4.134) in 6-day cycle, 2.161 (1.150-4.062) in 9-day cycle, 1.805 (1.087-2.997) in 21-day cycle, and 1.485 (0.718-3.069) in 3-day cycle. The ORs of poor sleep quality were 1.697(1.021-2.823) in fire suppression and 2.325 (1.213-4.455) in emergency medical service compared to administration.Conclusions: All shift work type except for the 3-day cycle was associated with poor sleep quality compared to day work.
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