Why the study?
Does shift work reduce heart rate variability during sleep in blue-collar workers?
Population
665 blue-collar workers aged 18-68 years in different occupations from two Danish cohort studies
Comparison
Shift work (including night and non-night shifts) vs Day work
Design
Cohort
Authors
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Suggests autonomic effects of shift work in men; hypothesis-generating for cardiovascular risk and needs prospective confirmation.
Does shift work reduce heart rate variability during sleep in blue-collar workers?
Shift work is associated with reduced heart rate variability during sleep in men, suggesting a potential autonomic mechanism for increased cardiovascular risk in this population.
Hulsegge et al. (2018) studied this question.
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