Why the study?
Does higher perceived psychological stress affect all-cause and cause-specific mortality in men?
Population
5388 men (mean age 48 years) from 27 workplaces in Scotland.
Comparison
Higher perceived psychological stress vs Lower perceived psychological stress
Design
Cohort
Follow-up
21 years
Authors
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Apparent stress-cancer protection attenuates after adjustment; confirms confounding and leaves open any causal mortality effect.
Does higher perceived psychological stress affect all-cause and cause-specific mortality in men?
The study demonstrates that apparent protective associations between psychological stress and mortality are likely driven by confounding rather than true causal effects.
John Macleod (2001) studied this question.
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