| ARIC baseline survey | ARIC visit 3 | ||
---|---|---|---|---|
Characteristic | ARIC Minneapolis and Forsyth County (N = 8044) | ABI reliability study (N = 119) | ARIC Minneapolis and Forsyth County (N = 6839)†| ABI reliability study (N = 119) |
Age, y* | 54.2 (5.79) | 55.0 (5.68) | 60.2 (5.73) | 61.0 (5.67) |
Female, % | 52.8 | 58.8 | 53.4 | 58.8 |
Race/ethnicity, % | Â | Â | Â | Â |
   White | 93.3 | 84.0§ | 94.5 | 84.0§ |
   African American | 6.3 | 16.0 | 5.1 | 16.0 |
   American or Alaskan Indian | 0.1 | 0 | 0.1 | 0 |
   Asian or Pacific Islander | 0.3 | 0 | 0.3 | 0 |
Field center, % | Â | Â | Â | Â |
   Forsyth County, NC | 50.2 | 64.7‡ | 48.9 | 64.7§ |
   Minneapolis, Minn | 49.8 | 35.3 | 51.1 | 35.3 |
Weight, kg* | 76.0 (16.21) | 75.7 (15.63) | 78.1 (16.79) | 78.4 (17.12) |
Body mass index, kg/m2* | 26.7 (4.73) | 27.0 (4.78) | 27.6 (5.03) | 28.1 (5.34) |
Diabetes, % | 6.7 | 7.6 | 12.0 | 11.8 |
Smoking status, % | Â | Â | Â | Â |
   Current | 26.8 | 23.5 | 18.2 | 19.3 |
   Former | 35.7 | 33.6 | 44.8 | 42.9 |
   Never | 37.5 | 42.9 | 37.0 | 37.8 |
Hypertension, % | 26.6 | 26.9 | 34.4 | 35.3 |
Coronary heart disease, % | 4.6 | 18.0§ | 6.8 | 23.7§ |
Ankle brachial index* | 1.14 (0.130) | 1.13 (0.137) | 1.19 (0.150) | 1.17 (0.150) |