Table 1 Baseline demographic characteristics of study population
| Â | Baseline population n = 35331 | 1st follow up population n = 29910 |
|---|---|---|
Age of entering MCCS | 54.5 [8.6] | 54.5 [8.6] |
Age of entering joint replacement cohort | 62.2 [8.8] | 62.2 [8.8] |
Women, number (%) | 21580 (61.1) | 18305 (61.2) |
Body mass index, kg/m2 | 26.7 [4.4] | 26.5 [4.3] |
Country of birth, number (%) | Â | Â |
   Australia/United Kingdom | 27256 (77.1) | 24124 (80.7) |
   Italy/Greece | 8075 (22.9) | 5786 (19.3) |
Education, number (%) | Â | Â |
   Primary and some secondary | 19606 (55.8) | 15869 (53.3) |
   Completed secondary and degree/diploma | 15533 (44.2) | 13921 (46.7) |