Night and shift work and incidence of cerebrovascular disease – a prospective cohort study of healthcare employees in Stockholm

Sep 24, 2021Scandinavian journal of work, environment & health

Night and shift work linked to stroke and brain blood vessel disease in Stockholm healthcare workers

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Abstract

An excess risk of cerebrovascular disease (CeVD) is observed among employees working night shifts, with a hazard ratio of 1.69 for those working ≥3 consecutive night shifts more than 15 times.

  • Employees working night shifts more than 30 times in a year have a 44% increased risk of CeVD.
  • Those with a long duration of night shift work, exceeding 5 years, show a 87% increased risk of CeVD.
  • Frequent quick returns from night shifts (less than 28 hours) are associated with a 52% increased risk of CeVD.
  • A dose-response pattern is evident, indicating that the more frequent or longer the night shift work, the higher the risk of CeVD.

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