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Table 1 Sociodemographic and descriptive characteristics of participants with radiographic-confirmed knee OA by BMI level (N = 2,675)

From: CAM use among overweight and obese persons with radiographic knee osteoarthritis

 

BMI ≥ 35 kg/m2

BMI between 30 and <35 kg/m2

BMI between 25 and <30 kg/m2

BMI < 25 kg/m2

(n = 364)

(n = 804)

(n = 1,042)

(n = 465)

 

Percentage

Age (years): ≥ 65

27.5

39.6

48.9

49.9

Women

69.0

57.8

50.3

69.0

Race/ethnicity: White

58.8

72.7

82.7

89.3

  African American

38.7

24.3

13.3

6.5

  Latino

1.1

0.8

1.8

1.7

  Other

1.4

2.2

2.1

2.6

Education:≥College graduate

40.8

50.4

59.9

66.2

  Some college

36.9

28.2

22.7

21.3

  ≤ High school

22.4

21.3

17.5

12.6

Income ($):>100,000

15.6

20.1

24.3

22.4

  50 k–100 k

29.9

35.8

36.2

40.0

  25 k–50 k

31.4

27.9

26.7

24.0

  ≤ 25,000

23.1

16.2

12.8

13.7

Married/partnered

53.4

62.9

68.8

73.9

Working (for pay)

65.1

61.1

57.0

52.3

Health insurance

91.6

96.1

98.3

98.5

Insurance covers prescriptions

83.3

87.5

87.9

86.7

CES-D > 16 (Depressed)

15.9

10.1

7.2

7.5

 

Mean (standard deviation)

Weight at age 25 (kg)

71.7 (14.9)

70.8 (14.7)

67.7 (13.1)

60.7 (10.1)

SF-12* Mental summary

52.3 (9.5)

53.4 (8.6)

54.7 (7.5)

53.9 (7.9)

SF-12* Physical summary

42.4 (10.6)

46.8 (9.3)

48.6 (9.0)

50.9 (8.0)

  1. *SF-12 (range: 0 to 100 with higher scores indicating better health).