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Table 4 Work Productivity and Activity Impairment Questionnaire - Rheumatoid Arthritis (WPAI-RA): mean presenteeism, absenteeism, and work productivity loss at baseline and least-squares mean change from baseline at week 24 and at week 52 among patients employed at baseline and at Week 24 or Week 52

From: Patient-reported outcomes of baricitinib in patients with rheumatoid arthritis and no or limited prior disease-modifying antirheumatic drug treatment

WPAI-RA questions administered to patients who were employeda

 

Baseline, Mean (SD)

Week 24, LSM (95% CI)

Week 52, LSM (95% CI)

 

MTX (N = 210)

Baricitinib 4 mg (N = 159)

Baricitinib 4 mg + MTX (N = 215)

MTX (n = 85)

Baricitinib 4 mg (n = 63)

Baricitinib 4 mg + MTX (n = 105)

MTX (n = 67)

Baricitinib 4 mg (n = 58)

Baricitinib 4 mg + MTX (n = 96)

Percent employed at time pointb, n (%)

94 (45)

67 (42)

117 (55)

80 (94)

59 (94)

94 (90)

57 (85)

55 (95)

80 (83)

Percent impairment while working due to RA (presenteeism)

49 (28)

49 (26)

50 (26)

− 20 (− 25, − 15)

− 29 (− 35, − 24)*

− 31 (− 35, − 26)**

− 26 (− 31, − 20)

− 29 (− 35, − 23)

− 31 (− 35, − 27)

Percent overall work impairment due to RA (work productivity loss)

53 (29)

51 (27)

55 (27)

− 18 (− 24, − 13)

− 29 (− 36, − 23)*

− 30 (− 35, − 25)**

− 23 (− 30, − 17)

− 30 (− 37 − 23)

− 32 (− 38, − 27)*

Percent work time missed due to RA (absenteeism)

19 (31)

14 (29)

15 (25)

− 2 (− 7, 2)

− 10 (− 15, − 5)*

− 9 (− 12, − 5)*

− 3 (− 7, 1)

− 8 (− 12, − 3)

− 8 (− 11, − 4)

  1. CI confidence interval, LSM least-squares mean, MTX methotrexate, RA rheumatoid arthritis
  2. aData are presented as mean (standard deviation) or LSM (95% CI)
  3. bFor weeks 24 and 52, the percentage of patients employed at baseline and who continued to be employed at that time point
  4. *p ≤ 0.05; **p ≤ 0.01 vs. MTX