Table 3

Work limitations among those who had fully or partially returned to work 4 months post injury

Partially RTW, n (%)Fully RTW, n (%)P-value
Number completing Work Limitations Questionnaire28123
Reported any problems (for ≥50% of the time)
Time management demands
 1a. Work the required number of hours4 (14.3)[3]13 (10.6)[5]0.484
 1b. Get going easily at the beginning6 (21.4)[1]14 (11.4)[4]0.154
 1c. Start on your job4 (14.3)[2]6 (4.9)[7]0.066
 1d. Do your work without stopping8 (28.6)[3]15 (12.2)[6]0.018
 1e. Stick to a routine or schedule4 (14.3)[4]9 (7.3)[10]0.186
Time management score (median, IQR)20 (0–33)[1]0 (0–15)[5]0.002
Physical demands
 2a. Walk or move around work locations4 (14.3)[2]18 (14.6)[5]0.987
 2b. Lift, carry, or move objects at work9 (32.1)[3]19 (15.4)[24]0.072
 2c. Sit, stand, or stay in one position4 (14.3)[2]19 (15.4)[8]0.887
 2d. Repeat the same motions over4 (14.3)[4]16 (13.0)[16]0.833
 2e. Bend, twist, or reach while working6 (21.4)[3]26 (21.1)[8]0.881
 2f. Use hand-held tools or equipment3 (10.7)[4]12 (9.8)[3]0.714
Physical score (median, IQR)18 (4–38)[2]7 (0–25)[3]0.068
Mental demands
 3a. Keep your mind on your work6 (21.4)[2]12 (9.8)[4]0.069
 3b. Think clearly when working4 (14.3)[2]8 (6.5)[4]0.146
 3c. Do work carefully3 (10.7)[2]8 (6.5)[4]0.401
 3d. Concentrate on your work4 (14.3)[2]9 (7.3)[4]0.206
 3e. Work without losing thought4 (14.3)[1]7 (5.7)[3]0.109
 3f. Easily read or use your eyes2 (7.1)[1]8 (6.5)[6]0.916
 4a. Speak with people1 (3.6)[3]5 (4.1)[9]0.931
 4b. Control your temper4 (14.3)5 (4.1)[6]0.049
 4c. Help other people3 (10.7)[3]5 (4.1)[10]0.142
Mental score (median, IQR)3 (0–19)[1]0 (0–11)[4]0.107
Output demands
 5a. Handle the workload4 (14.3)10 (8.1)[4]0.340
 5b. Work fast enough5 (17.9)[2]11 (8.9)[4]0.141
 5c. Finish work on time2 (7.1)[2]8 (6.5)[10]0.913
 5d. Do your work without mistakes3 (10.7)8 (6.5)[3]0.462
 5e. Feel you’ve done what you needed6 (21.4)10 (8.1)[2]0.043
Output score (median, IQR)15 (0–25)0 (0-15)[3]0.014
Productivity loss score (median, IQR)4.6 (0.7–7.4)[4]1.1 (0.0–4.6)[7]0.028
  • [ ] number of missing values. Domain scores represent the percentage of time work is limited due to problems performing domain-specific tasks. Productivity loss score represents the percentage reduction in output between those with work limitations and a group of employees who have no limitations. IQR = interquartile range. RTW = return to work.