Table 2 Odds ratios depending of the temporal extent of exposure during the workday according to Torgén et al. [38]
From: Brachial plexopathy: a case–control study of the relation to physical exposures at work
Risk factor (Proportion of workday) | Controls(N) | Cases (N) | OR (95% CI) |
|---|---|---|---|
Sitting | |||
Almost never/not at all | 11 | 42 | 1.00 |
Approx. ¼ - ½ of workday | 27 | 18 | 0.54 (0.24 1.21) |
More than ½ of workday | 27 | 17 | 0.18 (0.05-0.71) |
Standing | |||
Almost never/not at all | 20 | 11 | 1.00 |
Approx. ¼ - ½ of workday | 31 | 18 | 1.11 (0.44-2.82) |
More than ½ of workday | 13 | 51 | 7.49 (2.90-19.37) |
Walking | |||
Almost never/not at all | 18 | 16 | 1.00 |
Approx. ¼ - ½ of workday | 35 | 32 | 1.02 (0.46-2.25) |
More than ½ of workday | 10 | 30 | 3.33 (0.69-7.15) |
Operating a computer | |||
Almost never/not at all | 23 | 54 | 1.00 |
Approx. ¼ - ½ of workday | 24 | 15 | 0.28 (0.12-0.62) |
More than ½ of workday | 17 | 11 | 0.29 (0.123-0.71) |
Extent of work with vibrating hand tools | |||
Almost never/not at all | 63 | 71 | 1.00 |
Approx. ¼ of workday or more | 1 | 8 | 7.11 (0.87-58.42) |
Extent of work with arms in or over shoulders | |||
Almost never/not at all | 51 | 43 | 1.00 |
Approx. ¼ - ½ of workday | 13 | 25 | 2.28 (1.04-4.99) |
More than ½ workday or more | 1 | 12 | 14.23 (1.77-113.91) |
Extent of work with arms extended more than 45 0 forward or to the side | |||
Almost never/not at all | 37 | 27 | 1.00 |
Approx. ¼ - ½ of workday | 21 | 26 | 1.79 (0.84-3.80) |
More than ½ of workday | 2 | 18 | 7.80 (2.67-22.80) |
Extent of work with almost maximal neck flexion | |||
Almost never/not at all | 44 | 39 | 1.00 |
Approx. ¼ - ½ of workday | 17 | 22 | 1.49 (0.69-3.19) |
More than ½ of workday | 1 | 10 | 10.35 (2.26-47.37) |
Extent of work with identical arm movements many times per minute | |||
Almost never/not at all | 41 | 24 | 1.00 |
Approx. ¼ - ½ of workday | 13 | 22 | 2.84 (1.22-6.62) |
More than ½ of workday | 10 | 33 | 5.54 (2.34-13.15) |
Extent of work with identical hand/finger movements many times per minute | |||
Almost never/not at all | 25 | 19 | 1.00 |
Approx. ¼ - ½ of workday | 21 | 22 | 1.36 (0.59-3.14) |
More than ½ of workday | 18 | 38 | 2.74 (1.22-6.16) |