Table 3 .
Demographics and clinical characteristics.
| Variables | n = 2182 |
| Age (years) | 70.4 ± 11.2 |
| Men | 1367 (62.7%) |
| Non-Hispanic white ethnicity | 2029 (97.6%) |
| Upper midwest residency* | 1856 (84.9%) |
| Atherosclerotic vascular disease phenotype | |
| Carotid artery disease | 1041 (48%) |
| Carotid endarterectomy/carotid stenting | 521 (24%) |
| Abdominal aortic aneurysm | 448 (21%) |
| Repair of abdominal aortic aneurysm | 190 (9%) |
| Peripheral arterial disease | 834 (38%) |
| Lower extremity revascularization/amputation | 224 (10%) |
| Conventional risk factors | |
| Hypertension | 1712 (78%) |
| Diabetes | 632 (29%) |
| Dyslipidemia | 1585 (73%) |
| Ever Smoking | 1538 (70%) |
| Comorbid conditions | |
| Coronary artery disease | 841 (37%) |
| Coronary revascularization | 513 (24%) |
| Heart failure | 255 (12%) |
| Cerebrovascular disease | 427 (20%) |
| Chronic kidney disease | 418 (19%) |
*Upper Midwest includes the following states: Minnesota, Iowa, Illinois, Wisconsin, Michigan, North and South Dakota.