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PUBLIC RELEASE DATE:
11-Jun-2012

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Contact: Shilo Rea
shilo@cmu.edu
412-268-6094
Carnegie Mellon University
@CMUScience

Who's stressed in the US? Carnegie Mellon researchers study adult stress levels from 1983-2009

Results show women report more stress, stress decreases with age, and the recent economic downturn mostly affected white, middle-aged men with college educations and full-time jobs

IMAGE: Until now, comparing stress levels in individuals across the United States over time was not possible due to a lack of historical data that tracks stress using accepted comparable measures. New...

Click here for more information.

PITTSBURGH--Until now, comparing stress levels in individuals across the United States over time was not possible due to a lack of historical data that tracks stress using accepted comparable measures.

New research from Carnegie Mellon University's Sheldon Cohen and Denise Janicki-Deverts used telephone survey data from 1983 that polled 2,387 U.S. residents over the age of 18 and online surveys from 2006 and 2009 that polled 2,000 American adults each. All three surveys used the Perceived Stress Scale (PSS), a measure created by Cohen to assess the degree to which situations in life are perceived as stressful.

Cohen and Janicki-Deverts used the respondents' answers to determine if psychological stress is associated with gender, age, education, income, employment status and/or race and ethnicity, and if the distributions of stress across demographics were constant over the 26-year period.

Published in the Journal of Applied Social Psychology, the results show that women, individuals with lower income and those with less education reported more stress in all three surveys. They also show that as Americans age, they experience less stress and that retirees consistently report low levels of stress, indicating that retirement is not experienced as an adverse event.

IMAGE: Until now, comparing stress levels in individuals across the United States over time was not possible due to a lack of historical data that tracks stress using accepted comparable measures. New...

Click here for more information.

"We know that stress contributes to poorer health practices, increased risk for disease, accelerated disease progression and increased mortality," said Cohen, the Robert E. Doherty Professor of Psychology within CMU's Dietrich College of Humanities and Social Sciences who is a leading expert on the relationship between stress and disease. "Differences in stress between demographics may be important markers of populations under increased risk for physical and psychological disorders."

Using the 2006 and 2009 surveys, Cohen and Janicki-Deverts found that those most negatively affected by the 2008-09 economic downturn were white, middle-aged men with college educations and full-time jobs. The authors suggested that this group may have had the most to lose since both their jobs and their savings were at risk.

Their results also showed between a 10 and 30 percent increase in stress in all the demographic categories over the 26 years between 1983 and 2009, however Cohen cautions against drawing the conclusion that Americans are more stressed today.

"It's hard to say if people are more stressed now than before because the first survey was conducted by phone and the last two were done online," Cohen said. "But, it's clear that stress is still very much present in Americans' lives, putting them at greater risk for many diseases such as cardiovascular, asthma and autoimmune disorders."

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