SES Factor Table (IMAGE) Princeton University Caption The study examined the contribution of seven individual socioeconomic factors (above) to racial differences in life expectancy, and also determined the influence of various combinations of factors. As stand-alone factors, racial differences in income and education were the most influential. When combined with income and education, racial imbalances in other factors exhibited little power to explain racial differences in mortality. The impact of other factors when grouped with income and education can be determined by subtracting the combined influence of income and education: 62 percent for men and 63 percent for women. Credit M. Geruso Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.