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Table 3 Characteristics of participants enrolled in an OAK programa

From: A randomised controlled trial of a self-management education program for osteoarthritis of the knee delivered by health care professionals

Characteristics

Control

OAK

Pvalue

Mean age (SD), years

65 (8.7)

65 (7.9)

 

Gender (M:F)

23:52

14:57

 

Socioeconomic index by post code [27] in quintiles, n (%)

  

   Top 25%

43 (57)

46 (65)

 

   50% to 75%

10 (13)

9 (13)

 

   25% to 50%

6 (8)

8 (11)

 

   10% to 25%

11 (15)

6 (8)

 

   Bottom 10%

5 (7)

2 (3)

 

Coexisting disease, n (%)a

  

   Total number

156

156

 

   Cardiovascular

48 (64)

56 (79)

 

   Gastrointestinal

17 (22)

21 (29)

 

   Musculoskeletal (other than knee OA)

32 (43)

12 (17)

 

   Mental health

6 (8)

7 (10)

 

   Endocrine

18 (24)

13 (18)

 

   Osteoporosis

8 (11)

8 (11)

 

   Other

27 (36)

39 (55)

 

   None

9 people (12%)

6 people (8.5%)

 

   Multiple coexisting diseases

49 people (65%)

43 people (60%)

 

   Mean (SD) incidence per person

2.39 (1.4)

2.43 (1.65)

 

SF-36b

   

   Physical function

43.98 (21.2)

50.41 (22.2)

0.078

   Role physical

28.38 (36.6)

40.00 (39.7)

0.070

   Body pain

42.00 (19.1)

49.73 (19.0)

0.016

   General health

64.81 (17.2)

65.05 (18.4)

0.936

   Vitality

52.70 (21.0)

55.86 (16.4)

0.321

   Social function

69.43 (26.1)

75.54 (22.1)

0.133

   Role emotional

57.66 (43.1)

66.19 (42.6)

0.235

   Mental health

74.92 (15.1)

75.94 (14.8)

0.683

   WOMAC pain

8.00 (3.6)

6.53 (3.7)

0.020

  1. aOA: osteoarthritis; OAK: Osteoarthritis of the Knee Self-Management Program; SF-36: Short Form 36 version 1 questionnaire; WOMAC: Western Ontario and McMaster Universities Arthritis Index. bPercentage adds to > 100% because some participants had more than one coexisting disease. cUnadjusted baseline values, mean (SD) control and OAK groups.