|
Body mass index (kg/m2) at 36y
|
24.1 (3.7)
|
2646
|
24.8 (3.2)
|
1289
|
23.5 (3.9)
|
1357
|
<0.001
|
|
Body mass index (kg/m2) at 43y
|
25.4 (4.2)
|
2745
|
25.7 (3.5)
|
1336
|
25.2 (4.7)
|
1409
|
0.001
|
|
Body mass index (kg/m2) at 53y
|
27.4 (4.8)
|
2917
|
27.4 (4.0)
|
1438
|
27.4 (5.5)
|
1479
|
0.812
|
| |
%
|
N
|
%
|
N
|
%
|
N
|
p-value
a
|
|
Knee osteoarthritis clinical observation at 53y
| | | | | | | |
|
Yes
|
10.2
|
302
|
7.5
|
109
|
12.8
|
193
|
<0.001
|
|
Disabling/life-threatening health conditions at 53y
|
11.9
|
353
|
11.6
|
169
|
12.2
|
184
|
0.604
|
|
1 or more
| | | | | | | |
|
Family history of arthritis
| | | | | | | |
|
Yes
|
39.3
|
1099
|
35.5
|
486
|
42.9
|
613
|
<0.001
|
|
History of knee injury
| | | | | | | |
|
Yes
|
22.8
|
673
|
27.5
|
399
|
18.2
|
274
|
<0.001
|
|
Education at 26y
| | | | | | | |
|
Degree or higher
|
9.9
|
277
|
14.8
|
203
|
5.2
|
74
| |
|
GCE ‘A’ level, Burnham B or A2
|
25.6
|
714
|
28.0
|
384
|
23.3
|
330
| |
|
GCE ‘O’ level or Burnham C
|
20.1
|
561
|
14.6
|
200
|
25.5
|
361
| |
|
Sub GCE or vocational course
|
7.5
|
208
|
5.9
|
82
|
8.9
|
126
| |
|
No qualifications
|
36.9
|
1031
|
36.7
|
504
|
37.2
|
527
|
<0.001
|
|
Income at 53 y
| | | | | | | |
|
>£50,000
|
8.4
|
234
|
9.7
|
137
|
7.0
|
97
| |
|
£25,000-£49,999
|
26.1
|
732
|
27.7
|
391
|
24.5
|
341
| |
|
<£24,999
|
65.5
|
1835
|
62.6
|
882
|
68.5
|
953
|
0.002
|
