| |
Primary knee replacement (n = 541)
|
Primary hip replacement (n = 468)
|
No primary joint replacement (n = 38,014)
|
|---|
|
Age of entering the MCCS (years)
|
60.3 ± 6.8
|
59.7 ± 7.1
|
54.8 ± 8.6
|
|
Age of entering the JR cohort (years)
|
68.1 ± 6.9
|
67.3 ± 7.2
|
62.6 ± 8.8
|
|
Age on JR (years)
|
70.7 ± 6.9
|
70.1 ± 7.2
| |
|
Women, number (%)
|
344 (63.6)
|
283 (60.5)
|
22,699 (59.7)
|
|
Height (cm)
|
164.7 ± 9.9
|
165.7 ± 8.8
|
165.0 ± 9.3
|
|
Weight (kg)
|
80.7 ± 14.9
|
75.5 ± 13.2
|
73.1 ± 13.6
|
|
Body mass index (kg/m2)
|
29.8 ± 5.1
|
27.5 ± 4.3
|
26.8 ± 4.4
|
|
Waist circumference (cm)
|
91.7 ± 12.8
|
86.3 ± 12.7
|
85.1 ± 12.8
|
|
Waist-to-hip ratio
|
0.85 ± 0.09
|
0.84 ± 0.10
|
0.84 ± 0.09
|
|
Fat mass (kg)
|
32.3 ± 10.4
|
27.8 ± 9.1
|
26.0 ± 9.1
|
|
Percentage fat (%)
|
39.7 ± 8.6
|
36.5 ± 8.3
|
35.3 ± 8.6
|
|
Country of birth, number (%)
| | | |
|
Australia
|
429 (79.3)
|
383 (81.8)
|
25,977 (68.3)
|
|
United Kingdom
|
41 (7.6)
|
32 (6.8)
|
2,774 (7.3)
|
|
Italy
|
45 (8.3)
|
39 (8.3)
|
4,999 (13.2)
|
|
Greece
|
26 (4.8)
|
14 (3.0)
|
4,264 (11.2)
|
|
Education level, number (%)
| | | |
|
Primary school
|
85 (15.8)
|
50 (10.7)
|
7,107 (18.8)
|
|
Some high school
|
255 (47.3)
|
192 (41.2)
|
14,422 (38.2)
|
|
Completed high school
|
112 (20.8)
|
102 (21.9)
|
7,814 (20.7)
|
|
Degree/diploma
|
87 (16.1)
|
122 (26.2)
|
8,426 (22.3)
|
- Data reported as the mean ± standard deviation, except where indicated. MCCS, Melbourne Collaborative Cohort Study; JR, joint replacement.
