Demographic characteristics of the study participants
| n=15 308 | Mean±SD | Median | 25th–75th IQR |
| Race: Caucasians: 13,244 (87%); African-Americans: 2064 (13%) | – | – | |
| Gender: Females: 7486 (49%); Males: 7822 (51%) | – | – | |
| Age (years) | 56±14 | 57 | 47–67 |
| Height (cm) | 168±10 | 168 | 160–175 |
| Weight (kg) | 82±21 | 80 | 67–96 |
| Body surface area (m2) | 1.9±0.3 | 1.9 | 1.7–2.1 |
| Body mass index (kg/m2) | 29±7 | 28 | 24–33 |