Table 1 Characteristics of study population by country of birth
| Â | Italy-born n = 5,083 | Greece-born n = 4,304 | Australia-born n = 26,789 | UK-born n = 2,847 |
|---|---|---|---|---|
Age when entering MCCS, years | 56.2 ± 7.9 | 55.0 ± 7.6 | 54.7 ± 8.9 | 54.7 ± 8.5 |
Age when entering JR cohort, years | 64.8 ± 8.1 | 63.5 ± 7.7 | 62.3 ± 9.1 | 61.6 ± 8.5 |
Womena | 2,888 (56.8) | 2,381 (55.3) | 16,518 (61.7) | 1,539 (54.1) |
Body mass index, kg/m2 | 28.9 ± 4.3 | 28.9 ± 4.1 | 26.2 ± 4.3 | 26.4 ± 4.0 |
Educationa | Â | Â | Â | Â |
   Primary and some secondary | 4,218 (84.8) | 3,575 (85.4) | 13,174 (49.2) | 1,144 (40.3) |
   Completed secondary and degree/diploma | 756 (15.2) | 609 (14.6) | 13,604 (50.8) | 1,694 (59.7) |
Self description of health statusa | Â | Â | Â | Â |
   Poor/Fair |  |  |  |  |
   Good/Very good/Excellent | 1,211 (33.1) 2,444 (66.9) | 837 (27.4) 2,214 (72.6) | 2,960 (12.4) 20,929 (87.6) | 333 (13.4) 2,151 (86.6) |
Physical function limitationa | Â | Â | Â | Â |
   None (score = 5) | 1,137 (31.8) | 1,221 (41.0) | 6,997 (29.9) | 748 (30.8) |
   Mild (score 6–10) | 1,659 (46.3) | 1,073 (36.0) | 11,825 (50.5) | 1,221 (50.2) |
   Moderate (score 11–15) | 551 (15.4) | 416 (14.0) | 2,963 (12.7) | 303 (12.5) |
   Severe (score 16–25) | 232 (6.5) | 268 (9.0) | 1,610 (6.9) | 159 (6.5) |
Any primary JRa | 84 (1.7) | 40 (0.9) | 812 (3.0) | 73 (2.6) |
JR in private hospitalsa | 42 (0.8) | 10 (0.2) | 658 (2.4) | 50 (1.8) |
JR in public hospitalsa | 42 (0.8) | 30 (0.7) | 154 (0.6) | 23 (0.8) |
Primary hip JRa | 39 (0.8) | 14 (0.3) | 383 (1.4) | 32 (1.1) |
Primary knee JRa | 45 (0.9) | 26 (0.6) | 429 (1.6) | 41 (1.4) |