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Overwork and cerebrocardiovascular disease in Korean adult workers

Tae-Won Jang1, Hyoung-Ryoul Kim, Hye-Eun Lee

  • 1Department of Occupational and Environmental Medicine, College of Medicine, The Catholic University of Korea.

Journal of Occupational Health
|November 21, 2014
PubMed

Insights

Overwork increases cerebrocardiovascular disease risk, especially with high physical demands and poor fitness. Adjusting work hours to individual capacity is crucial for prevention.

Area of Science:

  • Occupational Health
  • Cardiovascular Epidemiology
  • Work Physiology

Background:

  • Long work hours and overwork can elevate cardiovascular load.
  • Cardiovascular strain is influenced by work's physical demand, worker's fitness, and hours worked.
  • Distinguishing between long hours and overwork is essential for accurate risk assessment.

Purpose of the Study:

  • To investigate the association between overwork and cerebrocardiovascular disease.
  • To account for physical work demand, physical fitness, and actual work hours in the analysis.
  • To identify specific risk factors contributing to occupational cerebrocardiovascular disease.

Main Methods:

  • Cross-sectional study utilizing surveillance data on occupational cerebrocardiovascular disease.
  • Questionnaire surveys collected general and work-related characteristics.
  • Calculated an overwork index based on maximum acceptable work time relative to actual work hours, considering physical demands and fitness.

Main Results:

  • In moderate to high physical demand work, elevated overwork indexes (1.01-1.20, 1.21-1.50, >1.50) showed significantly increased odds ratios for cerebrocardiovascular disease.
  • Adjusted odds ratios for overwork indexes were 2.679, 3.124, and 4.331, respectively.
  • The risk escalated with higher levels of overwork.

Conclusions:

  • Workers with long hours, high physical demand, and poor fitness face elevated cerebrocardiovascular disease risk.
  • Recommends aligning work hours with individual physical fitness and job demands.
  • Proposes that tailored work hour adjustments can mitigate cerebrocardiovascular disease risks.
Abstract

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