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Table 3 Work and health related outcomes at six and nine months from questionnaires

From: Job retention vocational rehabilitation for employed people with inflammatory arthritis (WORK-IA): a feasibility randomized controlled trial

Outcome Six months Nine months
Intervention (n = 23) Control (n = 21) Intervention (n = 22) Control (n = 21)
RA-Work Instability Scale (0–23): Mean [sd] 13.1 [6.3]
(n = 22) 		15.5 [5.8]
(n = 21) 		12.3 [7.8]
(n = 21) 		14 [6.2]
(n = 21)
Workplace Activity Limitations Scale (0–36): Mean [sd] 10.7 [6.5]
(n = 22) 		13.2 [6.4]
(n = 21) 		10.4 [6.8]
(n = 21) 		13.5 [9.0]
(n = 21)
Workplace Limitations Questionnaire (0–100):
  Productivity Loss: Mean [sd] 9.3 [5.8]
(n = 21) 		10.3 [4.6]
(n = 19) 		7.5 [5.3]
(n = 20) 		9.3 [6.3]
(n = 20)
  Time management demands: Mean [sd] 39.3 [29.6]
(n = 22) 		47.1 [22.8]
(n = 19) 		33.3 [26.1]
(n = 21) 		41.8 [28.4]
(n = 20)
  Physical demands: Mean [sd] 36.6 [18.6]
(n = 22) 		46.3 [24.5]
(n = 21) 		35.7 [26.9]
(n = 20) 		37 [18.9]
(n = 21)
  Mental/interpersonal demands: Mean [sd] 31.5 [23.2]
(n = 22) 		32.5 [18]
(n = 20) 		25.8 [20.1]
(n = 21) 		28.5 [23.4]
(n = 21)
  Output demands: Mean [sd] 36 [28]
(n = 21) 		41.3 [24.6]
(n = 20) 		25.2 [23.3]
(n = 21) 		38.5 [32.2]
(n = 21)
  WLQ Summed: Mean [sd] 35.4 [21.1]
(n = 21) 		41.3 [18.1]
(n = 19) 		29.8 [19.7]
(n = 20) 		35.9 [21.5]
(n = 20)
Work Self-Efficacy: Mean[sd] (0–10) 7.6 [2.2]
(n = 22) 		6.5 [2.8]
(n = 21) 		7.8 [2.1]
(n = 21) 		6.5 [2.2]
(n = 21)
Confidence managing arthritis at work: Mean[sd] (0–10) 7.1 [2.5]
(n = 22) 		6.1 [2.7]
(n = 21) 		7.5 [2.1]
(n = 21) 		6.4 [2.6]
(n = 21)
SF12v2 Health Survey (0–100):
  Physical component: Mean [sd] 37.7 [10.1] 32.4 [10.6] 38.7 [10.5] 34.3 [10.9]
  Mental component: Mean [sd] 41.3 [12.8] 42 [9.5] 41.6 [12.5] 44.2 [11.4]
Multidimensional Health Assessment Questionnaire (0–3):
  Functional status: Mean [sd] 0.6 [0.5] 0.8 [0.5] 0.6 [0.6] 0.7 [0.6]
  Psychological status: Mean [sd] 0.9 [0.7] 1.0 [0.5] 0.9 [0.7] 0.9 [0.6]
Pain VAS (0–100): Mean [sd] 43.1 [27.1] 48.5 [27.3] 40.5 [27.6] 44.1 [27.0]
Hand Pain VAS (0–100): Mean [sd] 43.0 [31.0] 52 [28.9] 39.8 [30.1] 52.3 [27.1]
Fatigue VAS (0–100): Mean [sd] 54.4 [30.2] 57.7 [21.9] 54.3 [33.3] 58.7 [23.8]
Perceived Health Status VAS (0–100): Mean [sd] 41 [26.5] 52 [22.2] 38.5 [25.2] 44.2 [23.7]
EQ5D VAS Health State mean [sd] 63.2 [23.4] 63.1 [20.1] 59.1 [26.0] 60.4 [22.4]
  1. Key: For all variables, higher scores indicate worse work/health status, apart from work self-efficacy where higher scores indicate increased confidence and SF12v2 measures where higher scores indicate better health status
  2. One participant in the intervention group who returned the questionnaire booklets stopped working during the 6-month follow-up period and did not complete the presenteeism outcomes at either timepoint. At nine months, pain, hand pain, fatigue and perceived health status VAS were not completed by one participant in the control group, who returned the questionnaire
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