Income Shifts and Your Health: Study Examines the Connection


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COLUMBUS, Ohio - Nearly one-in-three American households experiences a dramatic change in income each year, and new research reveals this volatility could have a serious impact on health.

Researchers collected data over a 15-year period from nearly 4,000 people living in four diverse U.S. cities.

Study author Tali Elfassy, an assistant professor of epidemiology at the University of Miami in Florida, says researchers found a connection between unpredictable variations in personal income during young adulthood and an increased risk of heart disease, or dying from any cause.

"Fluctuations in income are actually very common," she stats. "So almost 50 percent of the study population had changes in income, increases and decreases, across the study period."

Elfassy notes that the largest income shifts were associated with nearly double the risk of death and more than double the risk for heart disease.

The research also found high income volatility and income drops were experienced more by women and African-Americans than white men.

Elfassy says changes in personal income, especially drops in wages, make it difficult for families to cover regular expenses, pay down debt or save for the future.

"After you account for inflation, wages in the past 30 years have actually been relatively stagnant or even dropping and there aren't that many mechanisms in place that really help families deal with the increased burden associated with these financial woes," she points out.

The study was observational and not intended to prove cause and effect. However, Elfassy contends that the health impacts of changes in personal income need further investigation.

"In particular, stress has been hypothesized to lead to adverse events and cardiovascular disease, so if there are specific coping mechanisms that individuals or families might use to help them through these hard times, that's certainly something that we would want to look into," she states.

The research was published Monday in the American Heart Association's journal Circulation.

Reporting by Ohio News Connection in association with Media in the Public Interest and funded in part by The George Gund Foundation.

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