|
All participants
|
Caucasian
|
AA
|
P value
|
---|
Baseline demographic characteristics
|
n = 1422
|
n = 1054
|
n = 368
| |
---|
Age, mean (SD), years
|
61.4 (9.0)
|
61.4 (8.8)
|
61.5 (9.4)
|
0.6967
|
BMI, mean (SD), kg/m2
|
28.9 (5.4)
|
28.3 (4.9)
|
30.6 (6.2)
|
<0.0001
|
<25 %
|
23.1
|
26.3
|
14.0
|
<0.0001
|
25 – <30 %
|
41.3
|
41.6
|
40.7
| |
30+ %
|
35.5
|
32.2
|
45.3
| |
Gender, % women
|
60.0
|
56.8
|
69.0
|
<0.0001
|
Educational attainment < HS, %
|
33.0
|
28.3
|
46.3
|
<0.0001
|
Smoking
| | | | |
Never %
|
51.2
|
49.4
|
56.3
|
<0.0001
|
Past %
|
32.0
|
35.2
|
22.8
| |
Current %
|
16.8
|
15.4
|
20.9
| |
Hip injury, %
|
2.4
|
2.3
|
2.6
|
0.5723
|
CES-D <16, %
|
8.0
|
7.4
|
9.9
|
0.0315
|
HAQ, mean (SD), score
|
0.3 (0.5)
|
0.3 (0.5)
|
0.3 (0.5)
|
0.1992
|
Follow-up time, mean (SD), years
|
6.0 (1.4)
|
5.8 (1.3)
|
6.5 (1.4)
|
<0.0001
|
-
AA African American, BMI body mass index, HS high school, CES-D Center for Epidemiologic Studies depression scale, HAQ health assessment questionnaire