| |
percentage
|
|
Age (years): ≥ 65
|
30.5
|
46.4
|
|
Women
|
70.9
|
55.0
|
|
Education
| | |
|
≤ High school
|
31.0
|
15.3
|
|
≥ Some college
|
69.0
|
84.7
|
|
Income ($)
| | |
|
≤ 50,000
|
66.5
|
36.9
|
|
50,000–100,000
|
25.9
|
38.2
|
|
>100,000
|
7.6
|
24.8
|
|
Married/partnered
|
37.2
|
72.7
|
|
Insurance covers prescriptions
|
84.6
|
87.5
|
|
Kellgren-Lawrence Grade
| | |
|
2
|
33.5
|
31.5
|
|
3
|
49.4
|
47.2
|
|
4
|
17.1
|
21.3
|
|
Symptom-related multi-joint osteoarthritis
|
68.5
|
68.9
|
|
History of knee injury or surgery
|
46.9
|
56.3
|
|
Obesity
|
66.1
|
38.5
|
| |
mean (standard deviation)
|
|
KOOS Pain
|
61.6 (23.0)
|
78.3 (18.1)
|
|
KOOS Symptoms
|
63.7 (21.6)
|
78.6 (17.6)
|
|
KOOS Quality of Life
|
51.2 (23.4)
|
65.5 (22.1)
|
|
KOOS Function in Daily Life
|
67.9 (22.3)
|
84.8 (16.2)
|
|
KOOS Function in Sports and Recreational Activities
|
52.8 (24.3)
|
69.9 (21.5)
|
|
SF-12 Mental Health Score
|
52.1 (10.1)
|
54.3 (7.6)
|
|
SF-12 Physical Health Score
|
42.3 (10.8)
|
48.9 (8.7)
|
