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It is unknown whether the previously recognized disparities in cardiovascular disease (CVD) risk factors related to annual income and educational level have diminished, persisted, or worsened in recent decades. The objective of this study was to examine 31-year trends in CVD risk factors by annual income and educational levels among US adults.

Socioeconomic Status and Trends in Disparities in 4 Major Risk Factors for Cardiovascular Disease Among US Adults, 1971-2002