SF-36 Domains

Presence of Comorbidity

Mean

N

Mean

Non-Musculoskeletal Disorders

Musculoskeletal Disorders

Physical Function

Yes (n = 135)

44.24 ± 21.60

Yes (n = 46)

48.58 ± 21.43

No (n = 65)

46.02 ± 20.17

No (n = 154)

43.69 ± 20.96

Role Physical

Yes (n = 135)

36.75 ± 26.11***

Yes (n = 46)

42.39 ± 26.83

No (n = 65)

50.48 ± 27.04

No (n = 154)

40.86 ± 27.29

Bodily Pain

Yes (n = 135)

36.20 ± 15.95

Yes (n = 46)

41.73 ± 14.55**ǂ

No (n = 65)

39.61 ± 16.45

No (n = 154)

35.98 ± 16.41

General Health

Yes (n = 135)

51.40 ± 18.73

Yes (n = 46)

54.90 ± 15.97

No (n = 65)

57.80 ± 17.44

No (n = 154)

53.05 ± 19.25

Vitality

Yes (n = 135)

43.03 ± 20.18

Yes (n = 46)

45.38 ± 19.15

No (n = 65)

42.46 ± 18.99

No (n = 154)

42.09 ± 19.92

Social Functioning

Yes (n = 135)

67.96 ± 26.38

Yes (n = 46)

72.82 ± 24.33

No (n = 65)

70.57 ± 25.71

No (n = 154)

67.61 ± 2 6.60

Role Emotional

Yes (n = 135)

78.20 ± 26.31

Yes (n = 46)

81.34 ± 24.03

No (n = 65)

77.94 ± 26.37

No (n = 154)

77.16 ± 26.89

Mental Health

Yes (n = 135)

77.55 ± 17.65

Yes (n = 46)

78.55 ± 17.09

No (n = 65)

78.98 ± 15.99

No (n = 154)

77.85 ± 17.16

Physical Component

Yes (n = 135)

34.17 ± 11.86

Yes (n = 46)

35.64 ± 9.90

No (n = 65)

35.65 ± 7.35

No (n = 154)

34.35 ± 10.82

Mental Component

Yes (n = 135)

52.99 ± 9.99

Yes (n = 46)

53.85 ± 9.31

No (n = 65)

53.93 ± 9.46

No (n = 154)

53.13 ± 9.97