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Table 2 WPAI outcomes

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

Variables n Mean (SD) Median (Q1 to Q3)
Patients working for pay 137   
Percent work time missed due to health 136 8.7 (25.2) 0 (0 to 0)
   Percent work time missed due to health (those with missed time >0) 26 45.5 (41.2) 18 (12 to 100)
Patients who actually worked in the past seven days 123   
Percent impairment while working due to health 122 24.0 (22.7) 20 (0 to 40)
   Percent impairment while working due to health (those with % impairment while working >0) 88 33.3 (20.1) 30 (20 to 50)
Percent overall work impairment due to health 135 29.1 (29.8) 20 (0 to 46)
All patients 150   
Percent activity impairment due to health 150 33.3 (27.6) 30 (10 to 60)
   Percent activity impairment due to health (those with % activity impairment >0) 123 40.7 (25.1) 30 (20 to 60)
  1. Q1, first quartile; Q3, third quartile