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Depression Health Center

Too Much Overtime May Raise Depression Risk

Workers Who Regularly Put in 11-Hour Days More Than Double Their Depression Risk, Researchers Say
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By Cari Nierenberg
WebMD Health News

Jan. 25, 2012 -- Working 11-hour days may seem the norm in this economy, but regularly logging long hours can more than double a worker’s risk of depression.

People who routinely put in more than 11-hour days more than double their chances of major depression, compared to employees who typically work about eight hours a day, a new study suggests.

Long workdays take a physical toll on the body, but there's been mixed evidence of their effects on the brain. And little is known about the link between long work hours and depression.

This research looked at more than 2,000 British civil servants who had no mental health problems when the study began in 1991, and whose average age was 47. About six years later, 66 cases of major depression were found in the workers after they received mental health screenings.

Men and women who worked more than 11-hour days had a more than twofold increased risk of depression, compared to public employees who spent less than eight hours at the office.

The civil servants who were more likely to become depressed were typically younger females in lower job grades who used alcohol moderately and also had a chronic disease.

The research appears in the online journal PLoS ONE.

Long Hours and Depression

A variety of genetic, physical, and emotional factors can make a person vulnerable to depression. At the workplace, the prolonged stress felt by people with long hours is one of the contributing factors to depression.

"Long working hours are likely to be related to less time to relax and less sleep," says study researcher Marianna Virtanen, PhD. She is a team leader of the Work and Mental Health team at the Finnish Institute of Occupational Health in Helsinki.

"It is also possible that excessive working hours result in problems with close relationships, which in turn, may trigger depression," Virtanen says.

The current economic climate has millions of people working extremely long hours -- or holding two or three jobs just to make ends meet. Many of us are working too much. So how can you tell if all those hours are affecting your mood?

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