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Mediating pathways and gender differences between shift work and subjective cognitive function.

Imelda S Wong1, Peter M Smith2, Selahadin Ibrahim3

  • 1National Institute for Occupational Safety and Health, Cincinnati, Ohio, USA.

Occupational and Environmental Medicine
|July 17, 2016
PubMed
Summary
This summary is machine-generated.

Shift work impacts cognitive function through work stress and sleep quality, not gender. Occupational health programs should address these factors for shift worker safety.

Keywords:
path analysessubjective cognitive function

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Area of Science:

  • Occupational Health
  • Sleep Science
  • Cognitive Psychology

Background:

  • Shift work is linked to increased injury risk, often attributed to sleep disruption-induced cognitive deficits.
  • The mediating roles of work stress and health, and potential gender differences, in this relationship remain underexplored.

Purpose of the Study:

  • To determine how work and non-work factors mediate the link between shift work, sleep, and cognitive function.
  • To investigate if these mediating pathways differ between men and women.

Main Methods:

  • Cross-sectional analysis of 4255 employed Canadians from the 2010 National Population Health Survey.
  • Path modeling examined direct and indirect relationships between shift work, sleep (duration, quality), and subjective cognitive function.
  • Multigroup analyses assessed gender differences, controlling for age, health, and work stress.

Main Results:

  • Work stress and sleep quality significantly mediated the impact of shift work on cognition.
  • Age and self-reported health confounded the relationship between sleep quality and cognitive function.
  • No significant gender differences were found in the mediating pathways.

Conclusions:

  • Occupational health and safety initiatives must integrate stress management and health support alongside sleep hygiene education.
  • Addressing work stress and health factors is crucial for mitigating cognitive function deficits in shift workers.