A study in Circulation: Cardiovascular Quality and Outcomes found that poverty was associated with a higher risk of developing peripheral artery disease. Using National Health and Nutrition Exam Survey data from 1994 to 2001, researchers found that the PAD risk for those in the poorest group based on self-reported income was twice that for people in the highest income group. A link between education levels and PAD risk was not significant after other factors were accounted for, the study team said.

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