Percentage of the working time with trunk flexed ≥30°: |
≤5 | 75 | 441 | 1.00 | 1.00 | 1.00 |
5–10 | 32 | 116 | 1.75 (1.12 to 2.67) | 1.36 (0.83 to 2.21) | 0.90 (0.39 to 1.97) |
10–15 | 32 | 67 | 2.83 (1.81 to 4.32) | 2.03 (1.19 to 3.40) | 3.01 (1.23 to 7.27) |
15–20 | 24 | 35 | 4.02 (2.40 to 6.45) | 3.24 (1.80 to 5.69) | 9.16 (2.44 to 33.0) |
>20 | 21 | 43 | 3.01 (1.80 to 4.84) | 2.33 (1.32 to 3.97) | 1.69 (0.46 to 5.42) |
Percentage of the working time with trunk flexed: |
≤5 ≥30° | 75 | 441 | 1.00 | 1.00 | 1.00 |
5–10 ≥30° | 32 | 116 | 1.75 (1.12 to 2.67) | 1.37 (0.83 to 2.21) | 0.93 (0.40 to 2.05) |
>10 ≥30° and ≤5 ≥60° | 48 | 97 | 2.91 (1.97 to 4.25) | 2.27 (1.45 to 3.52) | 3.15 (1.33 to 7.41) |
>5 ≥60° | 29 | 48 | 3.65 (2.31 to 5.62) | 2.65 (1.59 to 4.32) | 3.59 (1.36 to 9.27) |
Percentage of the working time with trunk rotated ≥30°: |
≤5 | 106 | 544 | 1.00 | 1.00 | 1.00 |
5–10 | 69 | 125 | 2.90 (2.11 to 3.97) | 2.12 (1.45 to 3.07) | 2.78 (1.36 to 5.67) |
>10 | 9 | 33 | 1.65 (0.78 to 3.10) | 1.10 (0.49 to 2.21) | 0.33 (0.02 to 2.02) |
Number of lifts/8 hour working day: |
Never | 32 | 251 | 1.00 | 1.00 | 1.00 |
Never ≥10 kg/working day | 27 | 112 | 2.31 (1.35 to 3.92) | 2.47 (1.42 to 4.29) | 3.10 (1.13 to 8.80) |
Never ≥25 kg/working day | 65 | 208 | 2.76 (1.78 to 4.39) | 2.32 (1.41 to 3.89) | 2.46 (1.02 to 6.48) |
1–15 ≥25 kg/working day | 37 | 82 | 3.60 (2.18 to 5.99) | 2.27 (1.25 to 4.14) | 2.06 (0.69 to 6.30) |
>15 ≥25 kg/working day | 23 | 49 | 3.81 (2.14 to 6.68) | 2.18 (1.07 to 4.37) | 2.77 (0.81 to 9.56) |