Table 1 Study sample demographics by pain status among subjects (N = 576) with radiographic knee osteoarthritis^a

Age mean (SD)

67.1 (9.0)

66.8 (10.7)

Age minimum

40.0

40.0

Age maximum

89.0

89.0

BMI^b‡ mean (SD)

30.4 (6.4)

27.5 (4.9)

BMI minimum

18.9

18.9

BMI maximum

65.6

46.6

Female^† (%)

71.1

60.3

High-risk occupation (%)

33.1

32.4

Education (no high school) (%)

10.1

11.0

Diabetes (%)

1.2

0.8

Heart disease (%)

8.2

9.7

Stroke (%)

4.3

2.8