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Related Experiment Video

Updated: May 22, 2026

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Published on: June 13, 2025

Shiftwork and metabolic dysfunction.

Philip Tucker¹, Jean-Claude Marquié, Simon Folkard

¹Department of Psychology, Swansea University, Swansea, UK. p.t.tucker@swansea.ac.uk

Chronobiology International

|May 25, 2012

Summary

This summary is machine-generated.

Shiftwork increases the risk of developing metabolic syndrome, characterized by obesity, high blood pressure, and abnormal glucose levels. Prolonged exposure, over 10 years, further elevates this risk, highlighting the need for health monitoring in shift workers.

Related Experiment Videos

Last Updated: May 22, 2026

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Published on: June 13, 2025

Area of Science:

Occupational Health
Metabolic Health
Epidemiology

Background:

Shiftwork is associated with increased prevalence of health issues, potentially linked to metabolic syndrome.
Previous research indicates a link between shiftwork and metabolic syndrome, but the impact of exposure duration is less understood.

Purpose of the Study:

To confirm the association between shiftwork and metabolic syndrome.
To investigate how the duration of shiftwork exposure influences the risk of developing metabolic syndrome.

Main Methods:

Analysis of data from the VISAT study (1757 participants, 989 shiftworkers).
Statistical adjustment for covariates including age, sex, socioeconomic status, smoking, alcohol intake, perceived stress, and sleep difficulty.
Examination of metabolic syndrome symptoms in relation to shiftwork status and duration of rotating shiftwork exposure.

Main Results:

Shiftworkers were more likely to exhibit metabolic syndrome symptoms (OR 1.78, 95% CI 1.03-3.08), independent of strain or sleep difficulty.
Participants with over 10 years of rotating shiftwork experience showed a higher likelihood of metabolic syndrome (OR 1.96, 95% CI 1.03-3.75) compared to dayworkers.

Conclusions:

Shiftwork is confirmed as a risk factor for metabolic syndrome.
Exposure duration, particularly over 10 years of rotating shiftwork, significantly increases metabolic syndrome risk.
Occupational health monitoring should focus on metabolic dysfunction in long-term shift workers.