ANN ARBOR, Mich.---Persistent job insecurity poses a major threat to worker health, according to a new study published in the September issue of the peer-reviewed journal Social Science and Medicine.
The study used long-term data from two nationally representative sample surveys of the U.S. population to assess the impact of chronic job insecurity apart from actual job loss.
"Dramatic changes in the U.S. labor market have weakened bonds between employers and employees and fueled perceptions of job insecurity," said University of Michigan sociologist Sarah Burgard, a research assistant professor at the U-M Institute for Social Research. "This study provides the strongest evidence to date that persistent job insecurity has a negative impact on worker health. In fact, chronic job insecurity was a stronger predictor of poor health than either smoking or hypertension in one of the groups we studied."
Burgard and colleagues Jennie Brand at the University of California, Los Angeles, and James House at U-M, analyzed data on more than 1,700 adults collected over periods from three to 10 years. By interviewing the same people at different points in time, the researchers were able to disentangle the connection between poor health and job insecurity, and to control for the impact of actual job loss and other factors. One of the studies was conducted between 1986 and 1989, the other between 1995 and 2005.
"It may seem surprising that chronically high job-insecurity is more strongly linked with health declines than actual job loss or unemployment," said Burgard, who is also affiliated with U-M's Department of Sociology and School of Public Health. "But there are a number of reasons why this is the case. Ongoing ambiguity about the future, inability to take action unless the feared event actually happens, and the lack of institutionalized supports associated with perceived insecurity are among them."
To measure feelings of job insecurity, participants in one study were asked, "How likely is that during the next couple of years you will involuntarily lose your main job?" Participants in the other study were asked, "If you wanted to stay in your present job, what are the chances you could keep it for the next two years." At any given time, as many as 18 percent of those surveyed felt insecure about their jobs. But only about 5 percent of respondents in the first survey and 3 percent of respondents in the second survey reported feeling anxious about their jobs both times they were interviewed.
To reduce the chances that underlying pessimism or negativity was responsible for the degree of job insecurity participants felt, the researchers also controlled for neuroticism, asking participants to what extent they would describe themselves as moody, a worrier, nervous and calm. They also controlled for race, marital status, education and job characteristics, including self-employment.
According to Burgard, the findings have potential implications for both policy and intervention.
"Programs designed for displaced or unemployed workers are unlikely to solve the problems faced by workers who are still employed but are persistently insecure about their jobs," she said. "When you consider that not only income but so many of the important benefits that give Americans some piece of mind---including health insurance and retirement benefits---are tied to employment for most people, it's understandable that persistent job insecurity is so stressful.
"We need to learn more about the conditions that generate or change worker perceptions of their job insecurity. Then organizations might want to intervene to reduce perceptions of insecurity or perhaps broader governmental policies might help to mitigate the degree of stress associated with perceived job insecurity. Additional acute and chronic strains at work and in other areas of life might also worsen or mitigate the health impact of long-term job insecurity.
"Certainly job insecurity is nothing new, but the numbers experiencing persistent job insecurity could be considerably higher during this global recession, so these findings could apply much more broadly today than they did even a few years ago."
The researchers received support for this work from the Robert Wood Johnson Foundation and the National Institute of Child Health and Human Development. The research uses data from the Americans' Changing Lives Study, supported in part by the National Institute on Aging and from the Midlife in the United States Study, funded in part by the John D. and Catherine T. MacArthur Foundation.
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Established in 1949, the Institute for Social Research is the world's largest academic social science survey and research organization, and a world leader in the development and application of social science methodology. ISR conducts some of the most widely cited studies in the nation, including the Survey of Consumer Attitudes, the National Election Studies, the Monitoring the Future Study, the Panel Study of Income Dynamics, the Health and Retirement Study, the Columbia County Longitudinal Study and the National Survey of Black Americans. ISR researchers also collaborate with social scientists in more than 60 nations on the World Values Surveys and other projects, and the institute has established formal ties with universities in Poland, China and South Africa. ISR is also home to the Inter-University Consortium for Political and Social Research, the world's largest computerized social science data archive. Visit the ISR Web site at http://www.