| Men | Women | |
| N | 11 026 | 16 934 |
| Age in years, mean (SD) (range) | 59.2 (7.0) (46–73) | 57.4 (7.8) (45–73) |
| Smokers, % | 29 | 28 |
| BMI, kg/m2 | 26.0 (23.9–28.3) | 24.7 (22.5–27.0) |
| Waist, cm | 93 (87–100) | 76 (70–83) |
| Weight, kg | 81 (74–89) | 66 (60–74) |
| WHR | 0.94 (0.90–0.98) | 0.79 (0.76–0.83) |
| Body fat % | 20 (17–24) | 31 (28–34) |
| Height, cm | 176 (172–181) | 164 (160–168) |
| Follow-up in years, mean (SD) | 11.2 (2.6) | 11.3 (2.2) |
| TKR for osteoarthritis, n (rate per 1000 person-years) | 173 (1.4) | 298 (1.6) |
| THR for osteoarthritis, n (rate per 1000 person-years) | 186 (1.5) | 365 (1.9) |
Data are presented as medians (interquartile range) unless otherwise stated. BMI, body mass index; THR, total hip replacement; TKR, total knee replacement; WHR, waist–hip ratio.