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Table 2 Description of the sample by OA diagnosis, including pain, functional status and quality of life results (SF-36 and EQ-5D): EpiReumaPt ages 50–64 (n = 1286)

From: The impact of osteoarthritis on early exit from work: results from a population-based study

 

OA (n = 382)

NON-OA (n = 904)

Age (years)

57.5

56.0 (p < 0.001)*

Gender (female)

72.3%

39.6% (p < 0.001)

Employment Status

 Unemployment

17.7%

9.9% (p = 0.002)

 Early Retirement

32.6%

29.1% (p = 0.437)

 Exit from Work

61.8%

47.6% (p = 0.004)

Educational Level

 Primary or less

57.9%

47.9%

 Medium

20.2%

25.4%

 High

21.8%

26.7% (p = 0.148)

Body Mass Index

 Underweight (< 18.5m2/kg)

0.5%

0.4%

 Normal (18.5-25 m2/kg)

26.9%

29.5%

 Overweight (25-30 m2/kg)

42.3%

48.3%

 Obese (≥30m2/kg)

30.3%

21.8% (p = 0.207)

Chronic Diseases (self-reported)

 Cardiovascular

68.9%

61.0% (p = 0.108)

 Diabetes

15.5%

9.5% (p = 0.027)

 Pulmonary

7.7%

7.5% (p = 0.962)

 Allergy

29.7%

22.8% (p = 0.158)

 Gastrointestinal

32.0%

18.3% (p < 0.001)

 Neoplasic

4.0%

5.2% (p = 0.454)

 Mental

19.3%

13.8% (p = 0.029)

 Neurologic

3.5%

2.9% (p = 0.602)

Comorbidity Score

2.3

1.7 (p < 0.001)

Longstanding Musculoskeletal Pain

52.5%

34.1% (p < 0.001)

SCORE HAQ (0–3 from best to worst)

0.64

0.28 (p < 0.001)

SCORE EQ-5D (0–100 from worst to best imaginable health state)

0.68

0.83 (p < 0.001)

SF-36 physical function (0–100 from worst to best)

65.2

80.8 (p < 0.001)

SF-36 role limitations because of physical health problems

59.8

77.3 (p < 0.001)

SF-36 bodily pain

54.9

72.6 (p < 0.001)

SF-36 social functioning

80.3

87.8 (p < 0.001)

SF-36 general mental health

58.8

69.7 (p < 0.001)

SF-36 role limitations because of emotional problems

71.2

85.3 (p < 0.001)

SF-36 vitality

51.4

61.9 (p < 0.001)

SF-36 general health perceptions

47.8

56.6 (p < 0.001)

  1. All results were computed as weighted proportions to keep in account the sampling design of the survey
  2. *All p values: OA versus non-OA. OA, Osteoarthritis; HAQ, Health Assessment Questionnaire; EQ-5D, European Quality of Life index; SF-36, Short-Form Health Survey