Gender | Â | Â |
 | Male, n (%) | 385 (19%) |
 | Female, n (%) | 1643 (81%) |
Age | Â | Â |
 | Median [range] | 46 [18, 72] |
Race | Â | Â |
 | White/Caucasian, n (%) | 1960 (97%) |
 | Black, n (%) | 44 (2%) |
 | Other, n (%) | 24 (1%) |
Smoking | Â | Â |
 | Current, n (%) | 204 (11%) |
 | Quit, n (%) | 711 (38%) |
 | Never, n (%) | 948 (51%) |
 | Not known, n (%) | 165 (8%) |
Any alcohol use | Â | Â |
 | Yes, n (%) | 729 (41%) |
 | No, n (%) | 1029 (59%) |
 | Not known, n (%) | 270 (13%) |
Height (inches) | Â | Â |
 | Mean (SD) | 65.5 (3.4) |
 | Median [range] | 65.0 [54.8, 78.0] |
Weight (pounds) | Â | Â |
 | Mean (SD) | 303 (64) |
 | Median [range] | 292 [180, 614] |
BMI (kg/m2) | Â | Â |
 | Mean (SD) | 49.6 (8.8) |
 | Median [range] | 47.9 [32.5, 94.3] |
Waist circumference | Â | Â |
 | Mean (SD) | 53.5 (6.5) |
 | Median [range] | 52.8 [39.0, 76.0] |