Those in the service industry, including waitresses and nursing aides, who have high work demand and less control over their jobs are much more stressed than natural scientists and architects who command more respect and enjoy higher control over their jobs, the researchers pointed out.

"It is possible that high stress jobs lead to more unhealthy behaviours, such as poor eating habits, smoking and a lack of exercise," explained senior study author Dingli Xu from Southern Medical University in Guangzhou, China.

The analysis looked at available research on job strain and stroke risk. The six studies analysed involved a total of 138,782 participants who were followed for three to 17 years. Jobs were classified into four groups based on how much control workers had over their jobs and how hard they worked, or the psychological demands of the job.

The job demands included time pressure, mental load and coordination burdens. Physical labour and total number of hours worked were not included. Low stress jobs are those with low demand and high control.

Active jobs with high demand and high control include doctors, teachers and engineers. While people in passive and active jobs did not have any increased risk of stroke, those with high stress jobs had a significantly higher risk of stroke.

The study appeared online in Neurology, the medical journal of the American Academy of Neurology.

 

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