Sunday, October 19, 2008

Is Wealth Really Associated with Stroke Risk?

According to the American Heart Association, every year there are about 780,000 Americans suffering strokes; about 27 percent of which occur before the age of 65.

If someone tells you that “a person’s risk of getting stroke depends on how rich he or she is”, do you believe? Initially, I was doubtful about the statement because many health experts have in fact linked many health hazards like heart disease, diabetes, hypertension, obesity, stroke, etc. with the prevailing wealthy lifestyles.

Nevertheless, the statement was supported by a study conducted by Erasmus Medical Center, Rotterdam, The Netherlands and its findings were published in the American Heart Association's journal “Stroke”.

The researchers found that people who aged 50 to 64 years old and wealthy seems to protect them against stroke, but wealth appears to make little difference in stroke risk after the age of 65.

In other words, lower wealth, education and income are associated with increased stroke risk up to the age of 65, and wealth is the strongest predictor of stroke among the factors sought by the researchers.

In the study, the effect of income (annual earnings), wealth (total of all assets minus liabilities) and education on stroke risk were assessed in 19,445 Americans in the ongoing University of Michigan Health and Retirement Study (HRS) that surveys Americans of the age of 50 and above every 2 years.

All of these participants were free from stroke when they were assessed in 1992, 1993 or 1998. During an average of 8.5 years, 1,542 people in the study were found to have a stroke. According to the researchers, the stroke risk of the 10 percent of people with the lowest wealth at the age of 50 to 64 was 3 times higher than that of those with the highest wealth.

It appears that the lack of material resources, in particularly wealth, would strongly affect people’s chances of a first stroke. This also means that closing the wealth gap for people of the age of 50 to 64 could actually help reduce the large disparities in stroke.

It is believed that wealth would increase access to medical care as well as other material and psychosocial resources. However, the researchers were quite surprised to see that stroke risk was not significantly different between the 2 wealth groups for both men and women who aged 65 and above.

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