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Table 4 WPAI outcomes between two patient groups defined by the median for each health status outcome

From: Validity of the work productivity and activity impairment questionnaire - general health version in patients with rheumatoid arthritis

  

Function

Pain

Pt global estimate

Fatigue

PtGA

Percent work time missed

Better

4.2 (19.0)‡

1.5 (7.2)

2.0 (7.7)†

3.9 (15.8)‡

1.6 (7.1)

 

Worse

15.5 (31.5)

16.3 (34.0)

15.6 (33.9)

14.5 (32.4)

16.9 (34.6)

 

Effect size

0.46

0.61

0.55

0.43

0.63

Percent impairment while working

Better

14.5 (18.8)

11.6 (15.0)

10.9 (13.1)

12.8 (16.8)

11.7 (14.3)

 

Worse

39.1 (20.1)

39.6 (21.1)

40.0 (21.7)

38.7 (21.0)

41.2 (21.0)

 

Effect size

1.27

1.56

1.66

1.38

1.69

Percent overall work impairment

Better

17.6 (24.8)

12.2 (16.7)

11.8 (15.7)

14.8 (22.1)

12.3 (16.1)

 

Worse

46.5 (28.2)

47.4 (30.0)

47.2 (30.3)

46.0 (28.9)

48.9 (30.1)

 

Effect size

1.10

1.46

1.48

1.22

1.55

Percent activity impairment

Better

19.0 (21.1)

15.7 (17.0)

15.1 (17.0)

19.6 (21.0)

17.5 (19.0)

 

Worse

52.7 (23.3)

51.9 (24.4)

52.0 (23.7)

49.9 (25.6)

51.9 (24.5)

 

Effect size

1.53

1.73

1.79

1.30

1.58

  1. Pt global estimate, patient global estimate on health impact; PtGA, patient global assessment of disease activity
  2. If not indicated, t test P values <0.001; †, t test P values <0.01; ‡, t test P values <0.05
  3. Better status, ≤median; Worse status, >median. The median for each health status outcome was shown in Table 1
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Arthritis Research & Therapy

ISSN: 1478-6362

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