Uncategorized — 28 March 2014

Researchers have determined that although a mentally demanding job may lead to stress issues during a person’s working career, this type of vocation has a protective effect on mental health functioning later in life.

“Based on data spanning 18 years, our study suggests that certain kinds of challenging jobs have the potential to enhance and protect workers’ mental functioning in later life,” said Gwenith Fisher, Ph.D., a faculty associate at the University of Michigan Institute for Social Research.

Investigators analyzed data on 4,182 participants in the University of Michigan Health and Retirement Study, which surveys a representative sample of more than 20,000 older Americans every two years.

Participants were interviewed about eight times between 1992 and 2010, starting when they were between the ages of 51 and 61. The interviewers discovered respondents worked in a wide variety of jobs and had been doing the same type of work for more than 25 years, on average, before they retired.bigstock_A_senior_man_taking_a_break_23782178

Fisher and colleagues examined the mental requirements of each job that participants reported having during that period.

These requirements included analyzing data, developing objectives and strategies, making decisions, solving problems, evaluating information, and thinking creatively.

Investigators also assessed participants’ mental functioning, using standard tests of episodic memory and mental status.

The tests included recalling a list of 10 nouns immediately after seeing it and also after a time delay, and counting backwards from 100 by sevens.

In addition, the researchers controlled for participants’ health, symptoms of depression, economic status and demographic characteristics, including years of education.

They found that people who had worked in jobs with greater mental demands were more likely to have better memories before they retired and more likely to have slower declines in memory after retiring than people who had worked in jobs with fewer mental demands.

The differences at the time of retirement were not large, but they grew over time.

“These results suggest that working in an occupation that requires a variety of mental processes may be beneficial to employees,” said Jessica Faul, Ph.D., an assistant research scientist.

“It’s likely that being exposed to new experiences or more mentally complex job duties may benefit not only newer workers but more seasoned employees as well,” she said.

“Employers should strive to increase mental engagement at work and, if possible, outside of work as well, by emphasizing lifelong learning activities.”

“The study did not establish causal relations between mental work demands and cognitive change after retirement,” the researchers said, “so it could be the case that people with higher levels of mental functioning picked jobs with more mental demands. But the study did control for formal education and income.”

“What people do outside of work could also be a factor,” Fisher said.

“Some people may be very active in hobbies and other activities that are mentally stimulating and demanding, while others are not.”

The study can be found in the Journal of Occupational Health Psychology.

This article first appeared on Psych Central on 26 March, 2014.


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