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Table 2 Sick leave in the intervention and control groups as a function of weeks.

From: Return to work after a workplace-oriented intervention for patients on sick-leave for burnout - a prospective controlled study

  Sick leave (%) χ2 p
  0 25 50 75 100   
  Week 0   
Control 20.3 (15) 10.8 (8) 21.6 (16) 2.7 (2) 44.6 (33) 5.83 .22
IG 9.5 (7) 12.2 (9) 24.3 (18) 9.5 (7) 44.6 (33)   
  Week 10   
Control 41.9 (31) 13.5 (10) 10.8 (8) 1.4 (1) 32.4 (24) 16.62 .001
IG 14.9 (11) 12.2 (9) 28.4 (21) 2.7 (2) 41.9 (31)   
  Week 20   
Control 55.4 (41) 6.8 (5) 8.1 (6) 0 (0) 29.7 (22) 22.45 <.001
IG 23.0 (17) 13.5 (10) 25.7 (19) 5.4 (4) 32.4 (24)   
  Week 30   
Control 51.4 (38) 6.8 (5) 10.8 (8) 0 (0) 31.1 (23) 16.38 .002
IG 28.4 (21) 14.9 (11) 24.3 (18) 6.8 (5) 25.7 (19)   
  Week 40   
Control 56.8 (42) 6.8 (5) 6.8 (5) 1.4 (1) 28.4 (21) 8.77 .061
IG 41.9 (31) 10.8 (8) 20.3 (15) 4.1 (3) 23.0 (17)   
  Week 50   
Control 56.8 (42) 5.4 (4) 8.1 (6) 1.4 (1) 28.4 (21) 8.45 .074
IG 44.6 (33) 13.5 (10) 16.2 (12) 5.4 (4) 20.3 (15)   
  Week 60   
Control 64.9 (48) 8.1 (6) 5.4 (4) 1.4 (1) 20.3 (15) 5.16 .275
IG 54.1 (40) 10.8 (8) 10.8 (8) 6.8 (5) 17.6 (13)   
  Week 70   
Control 62.2 (46) 4.1 (3) 6.8 (5) 0 (0) 27.0 (20) 8.06 .078
IG 56.8 (42) 8.1 (6) 16.2 (12) 2.7 (2) 16.2 (12)   
  Week 80   
Control 63.5 (47) 4.1 (3) 5.4 (4) 0 (0) 27.0 (20) 11.64 .013
IG 63.5 (47) 6.8 (5) 16.2 (12) 2.7 (2) 10.8 (8)   
  1. Distributions of sick leave (percentages and number of persons) at week 80 in the intervention group (IG) and the control group (Control) throughout the study period.