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Table 1 Characteristics of participants included in the Malmö osteoarthritis study (MOA)

From: Association of knee pain and different definitions of knee osteoarthritis with health-related quality of life: a population-based cohort study in southern Sweden

 

Reference group (n = 744)

Knee pain without knee OA (n = 169)

Knee pain with knee OA (n = 402)

Radiographic knee OA without pain (n = 186)

Women, %

63.0

70.4

63.7

61.3

Age, years (SD)

68.7 (7.2)

68.4 (7.3)

70.1 (7.2)

71.5 (6.7)

BMI (SD)

26.7 (4.3)

27.8 (4.8)

28.9 (5.5)

28.8 (5.1)

Comorbidity, %

 Single

32.5

26.6

23.1

28.0

 Multiple

46.1

59.2

64.9

53.2

Years of education, %

  ≤ 9 years

35.0

30.3

43.3

34.4

  > 9 years &  ≤ 12 years

38.3

43.2

34.7

44.8

 >12 years

26.7

26.5

22.0

20.8

Smoking, %

 Current smoker

14.1

12.7

12.3

11.8

 Ex-smoker

45.1

46.4

46.0

42.5

Employment, %

 Employed

25.3

23.7

14.7

15.6

 Retired

72.2

72.8

80.9

81.7