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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Working hours and the regulations for night shift workers.

Tae-Won Jang1

  • 1Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul, Korea.

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|November 6, 2023
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Korean shift workers, comprising over 13% of the workforce, face significantly longer hours than day workers. Regulations are needed to limit night shift work hours and prevent adverse health outcomes.

Keywords:
Night workRegulationsShift workWorking hours

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Area of Science:

  • Occupational Health
  • Public Health Policy
  • Sociology of Work

Background:

  • Shift work is prevalent in Korea, encompassing various patterns like rotating, 24-hour, and fixed night shifts.
  • Shift workers constitute a significant portion (11.6%-13.9%) of the Korean wage labor force.

Purpose of the Study:

  • To analyze the working hours of Korean shift workers in comparison to day workers.
  • To highlight the lack of regulation for night shift working hours in Korea.
  • To advocate for legal regulation of night shift working hours to protect worker health.

Main Methods:

  • Analysis of data from the 8th Korea National Health and Nutrition Examination Survey.
  • Analysis of data from the 6th Korean Working Condition Survey.

Main Results:

  • Weekly working hours for shift workers averaged 57.69 hours (24-hour shift) and 49.97 hours (fixed night shift), exceeding those of day workers.
  • Korea lacks specific regulations on daily working hours for night work, unlike many other countries.

Conclusions:

  • Korean shift workers, particularly those on 24-hour and fixed night shifts, experience extended working hours.
  • The absence of legal limits on night shift duration in Korea poses health risks.
  • Implementing legal regulations for night shift working hours is crucial for mitigating health consequences and reducing excessive work duration.