Frequency and percentage of the variables in relation to bodily discomfort and crude and adjusted associations between bodily discomfort and individual and work organisational factors
| Bodily discomfort | Crude | Adjusted | |||||
| Yes, n (%) | No, n (%) | Total | OR (95% CI) | p value | OR (95% CI) | p value | |
| Age | 1.01 (0.99 to 1.02) | 0.426 | – | – | |||
| Gender | <0.001* | <0.001** | |||||
| Female | 443 (77.0) | 132 (23.0) | 575 | 2.03 (1.52 to 2.72) | 1.77 (1.30 to 2.41) | ||
| Male | 218 (62.3) | 132 (37.7) | 350 | 1 | 1 | ||
| Length of time working at the company | 0.169* | 0.073 | |||||
| <5 years | 258 (69.5) | 113 (30.5) | 371 | 1.00 (0.71 to 1.41) | 0.76 (0.53 to 1.10) | ||
| 5.1–10 years | 220 (75.6) | 71 (24.4) | 291 | 1.36 (0.93 to 1.97) | 1.16 (0.78 to 1.72) | ||
| >10 years | 183 (69.6) | 80 (30.4) | 263 | 1 | 1 | ||
| Work shifts | 0.397 | – | |||||
| Morning | 253 (69.9) | 109 (30.1) | 362 | 0.88 (0.66 to 1.18) | – | ||
| Afternoon | 408 (72.5) | 155 (27.5) | 563 | 1 | – | ||
| Task characteristics | <0.001* | 0.015** | |||||
| Repetitive | 612 (73.2) | 224 (26.8) | 836 | 2.23 (1.43 to 3.48) | 1.81 (1.12 to 2.91) | ||
| Non-repetitive | 49 (55.1) | 40 (44.9) | 89 | 1 | 1 | ||
| Rest breaks | 0.228 | – | |||||
| Yes | 620 (71.0) | 253 (29.0) | 873 | 0.66 (0.33 to 1.3) | – | ||
| No | 41 (78.8) | 11 (21.2) | 52 | 1 | – | ||
| Frequency of rest breaks | 0.200* | 0.072 | |||||
| 0 break | 41 (78.8) | 11 (21.2) | 52 | 1 | 1 | ||
| 1 break | 21 (56.8) | 16 (43.2) | 37 | 0.35 (0.14 to 0.89) | 0.26 (0.10 to 0.68) | ||
| 2 breaks | 125 (74.4) | 43 (25.6) | 168 | 0.78 (0.37 to 1.65) | 0.61 (0.28 to 1.33) | ||
| 3 breaks | 270 (71.2) | 109 (28.8) | 379 | 0.67 (0.33 to 1.34) | 0.48 (0.23 to 1.02) | ||
| ≥4 breaks | 204 (70.6) | 85 (29.4) | 289 | 0.64 (0.32 to 1.31) | 0.51 (0.24 to 1.08) | ||
| Job rotation | 0.883 | – | |||||
| Yes | 444 (71.6) | 176 (28.4) | 620 | 1.02 (0.76 to 1.39) | – | ||
| No | 217 (71.1) | 88 (28.9) | 305 | 1 | – | ||
| Tool use | 0.504 | – | |||||
| Yes | 314 (72.5) | 119 (27.5) | 433 | 1.10 (0.83 to 1.47) | – | ||
| No | 347 (70.5) | 145 (29.5) | 492 | 1 | – | ||
| Perception of cold | <0.001* | <0.001** | |||||
| Yes | 426 (77.7) | 122 (22.3) | 548 | 2.11 (1.58 to 2.82) | 2.05 (1.44 to 2.91) | ||
| No | 235 (62.3) | 142 (37.7) | 377 | 1 | 1 | ||
| Ambient temperature | 0.065* | 0.415 | |||||
| Natural | 129 (66.2) | 66 (33.8) | 195 | 0.73 (0.52 to 1.02) | 1.20 (0.78 to 1.85) | ||
| Artificially cold environment | 532 (72.9) | 198 (27.1) | 730 | 1 | |||
Adjusted for gender, work shifts, task characteristics, perception of cold and ambient temperature.
*p<0.20, **p≤0.05.