KSOEM
Search
- Page Path
- HOME > Search
Original Article
- The risk of insomnia by work schedule instability in Korean firefighters
- Saebomi Jeong, Jeonghun Kim, Sung-Soo Oh, Hee-Tae Kang, Yeon-Soon Ahn, Kyoung Sook Jeong
- Ann Occup Environ Med 2024;36:e24. Published online September 10, 2024
- DOI: https://doi.org/10.35371/aoem.2024.36.e24
-
Abstract
Abstract in Korean
PDF
Supplementary Material
PubReader
ePub - Background
Firefighters are exposed to shift work, as well as unpredictable emergency calls and traumatic events, which can lead to sleep problems. This study aimed to investigate the risk of insomnia by work schedule instability in Korean firefighters.
Methods
This study used the Insomnia Severity Index to assess the insomnia in firefighters. The work schedule stability was classified with the frequency of the substitute work and the timing of notification for work schedule changes. Logistic regression analysis was used to assess the adjusted odds ratio of insomnia by work schedule stability with covariates including sex, age, education, smoking, alcohol, caffeine intake, shift type, job, and underlying conditions.
Results
Of the 8,587 individuals, 751 (8.75%) had moderate to severe insomnia (Insomnia Severity Index ≥ 15). The prevalence of insomnia was statistically significantly higher as the frequency of substitute work increased: <1 time per month (6.8%), 1–2 times (9.5%), 3–5 times (13.4%), and more than 5 times (15.7%) (p < 0.001). Additionally, the prevalence of insomnia was statistically significantly higher when the timing of the schedule change notification was urgent or irregular: no change or several weeks before (5.4%), several days before (7.9%), one day before or on the day (11.2%), irregularly notification (11.6%) (p < 0.001). In comparison to the group with good frequency of the substitute work/good timing of schedule change notification group, the adjusted odds ratios of insomnia were 1.480 (95% confidence interval [CI]: 1.237–1.771) for Good/Bad group, 1.862 (95% CI: 1.340–2.588) for Bad/Good group, and 1.885 (95% CI: 1.366–2.602) for Bad/Bad group.
Conclusions
Work schedule instability was important risk factor of insomnia in firefighters. It suggests that improving the stability of work schedules could be a key strategy for reducing sleep problems in this occupational group. - 한국 교대근무 소방관에서 근무 스케줄 불안정성에 따른 불면증 유병 위험
목적
한국 교대근무 소방관에서 근무 스케줄 불안정성이 불면증 유병 위험을 평가하였다.
방법
한국판 불면증 심각도 평가척도를 이용하여 불면증을 평가하였다. 근무 스케줄 안정성으로는 월별 대체 근무 횟수 및 근무일정 변경 통보 시점으로 분류하였다. 월별 대체 근무 횟수 및 근무일정 변경 통보 시점을 각각 좋음, 나쁨으로 분류하고, 두 요인을 조합하여 좋음/좋음, 좋음/나쁨, 나쁨/좋음, 나쁨/나쁨의 4개 그룹으로 나누었다. 통계분석은 카이제곱검정, t-검정, 로지스틱 회귀 분석을 사용하였다.
결과
8,587명 중 751명(8.75%)은 중등도 이상의 불면증이 있었다. 별 대체근무 일수가 증가할수록, 근무 일정 변화를 미리 고지하지 않을수록 불면증 유병률이 유의하게 높았다. 4개의 그룹으로 나누어 근무 예측 가능성과 불면증의 연관성을 분석한 결과, 대체 근무 빈도가 “좋음”그룹/근무일정 변경 통보 시점이 “좋음” 그룹과 비교하여 불면증의 보정 비차비는 “좋음/나쁨” 그룹은 1.480(95%신뢰구간: 1.237~1.771), “나쁨/좋음” 그룹은 1.862(95% CI: 1.340~2.588), “나쁨/나쁨”그룹은 1.885(95% CI: 1.366~2.602)였다.
결론
근무 스케줄 안정성이 좋지 못할수록 불면증의 위험성이 높았다.
- 1,454 View
- 210 Download
First
Prev
