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Table 3 Workplace and household productivity at baseline (randomized set, observed cases)

From: Discriminant validity, responsiveness and reliability of the arthritis-specific Work Productivity Survey assessing workplace and household productivity in patients with psoriatic arthritis

  All randomized patients (n = 409)
WPS questiona n Mean (SD) Median
2. Number of days of work missed (absenteeism)b 243 2.0 (5.33) 0.0
3. Number of days with productivity ≤50% at work (presenteeism)b,c 243 4.7 (7.41) 0.0
4. Rate of arthritis interference with work productivityb,d 242 4.1 (2.83) 5.0
5. Number of days of household work missed 406 5.7 (8.41) 2.0
6. Number of days with productivity ≤50% in household workc 406 7.6 (8.67) 5.0
7. Number of days of family, social or leisure activities missed 406 3.7 (7.25) 0.0
8. Number of days with outside help 409 2.4 (6.43) 0.0
9. Rate of arthritis interference with household work productivityd 409 5.0 (2.95) 5.0
  1. SD, standard deviation. aRecall period for Work Productivity Survey (WPS) is 1 month. bAssessed in employed patients only. cDays counted exclude those counted in previous question. dScored using numeric rating scale of 0 to 10, where 0 = no interference and 10 = complete interference.