Characteristics of workers
| Total | Slaughterhouse workers | Care workers | |
| N=1502 | n=1092 | n=410 | |
| N (%) | n (%) | n (%) | |
| Sex | |||
| Women | 566 (37.7) | 167 (15.3) | 399 (97.3) |
| Men | 838 (55.8) | 827 (75.7) | 11 (2.7) |
| Missing | 98 (6.5) | 98 (9.0) | 0 (0.0) |
| Age group, years | |||
| 18–30 | 175 (11.7) | 133 (12.2) | 42 (10.2) |
| 30–46 | 473 (31.5) | 345 (31.6) | 128 (31.2) |
| 46–60 | 687 (45.7) | 493 (45.1) | 194 (47.3) |
| >60 | 164 (10.9) | 118 (10.8) | 46 (11.2) |
| Missing | 3 (0.2) | 3 (0.3) | 0 (0.0) |
| Seniority, years | |||
| <1 | 69 (4.6) | 47 (4.3) | 22 (5.4) |
| 1–5 | 280 (18.6) | 207 (19.0) | 73 (17.8) |
| 6–10 | 227 (15.1) | 167 (15.3) | 60 (14.6) |
| >10 | 923 (61.5) | 668 (61.2) | 255 (62.2) |
| Missing | 3 (0.2) | 3 (0.3) | 0 (0.0) |
| Work unit | |||
| Packing | 271 (18.0) | 271 (24.8) | N/A |
| Slaughter line | 308 (20.5) | 308 (28.2) | N/A |
| Trimming | 285 (19.0) | 285 (26.1) | N/A |
| Cutting | 200 (13.3) | 200 (18.3) | N/A |
| Nursing home | 207 (13.8) | N/A | 207 (50.5) |
| Home care | 203 (13.5) | N/A | 203 (49.5) |
| Missing | 28 (1.9) | 28 (2.6) | 0 (0.0) |
| Mental health | |||
| Very good | 592 (39.4) | 494 (45.2) | 98 (23.9) |
| Intermediate | 748 (49.8) | 483 (44.2) | 265 (64.6) |
| Poor | 153 (10.2) | 111 (10.2) | 42 (10.2) |
| Missing | 9 (0.6) | 4 (0.4) | 5 (1.2) |
| Perceived management priority, mean (SD) | 2.7 (0.6) | 2.5 (0.5) | 3.0 (0.6) |
| Work group pain acceptance, mean (SD) | 2.6 (0.6) | 2.7 (0.6) | 2.3 (0.5) |
| Sickness absence MSK pain | |||
| ≤5 days | 1295 (86.2) | 933 (85.4) | 362 (88.3) |
| >5 days | 193 (12.8) | 155 (14.2) | 38 (9.3) |
| Missing | 14 (0.9) | 4 (0.4) | 10 (2.4) |
| Sickness absence other illness | |||
| ≤5 days | 1302 (86.7) | 958 (87.7) | 344 (83.9) |
| >5 days | 186 (12.4) | 130 (11.9) | 56 (13.7) |
| Missing | 14 (0.9) | 4 (0.4) | 10 (2.4) |
| No of pain sites, mean (SD) | 3.0 (2.0) | 3.0 (2.0) | 3.1 (1.9) |
MSK, musculoskeletal; N/A, not available.