Socioeconomic background & company | Category | Total number (% of experienced MSD;% of experienced ≥10 service days lost due to MSDs) | HR for MSD incidence (n = 652) * | HR for MSD incidence (n = 652) ** | HR for long-term MSD incidence (≥10 service days lost) (n = 194) * | HR for long-term MSD incidence (≥10 service days lost) (n = 194) ** |
---|---|---|---|---|---|---|
Father's occupational group | Not physical | 325 (64; 20) | 1 (Referent) | 1 (Referent) | 1 (Referent) | 1 (Referent) |
 | Physical | 416 (70; 20) | 1.2 (1.0-1.4) | 1.1 (0.9-1.4) | 1.0 (0.7-1.4) | 0.9 (0.6-1.3) |
 | Unclear or unemployed | 185 (74; 24) | 1.3 (1.0-1.6) | 1.3 (1.1-1.7) | 1.2 (0.8-1.7) | 1.1 (0.7-1.7) |
School success (combination of school type attended and school success) | Excellent1 | 138 (52; 12) | 1 (Referent) | 1 (Referent) | 1 (Referent) | 1 (Referent) |
 | Good2 | 410 (70; 18) | 1.7 (1.3-2.2) | 1.4 (1.1-1.9) | 1.6 (0.9-2.7) | 1.1 (0.6-1.9) |
 | Satisfactory3 | 319 (72; 24) | 1.9 (1.5-2.5) | 1.5 (1.1-2.0) | 2.3 (1.3-3.8) | 1.3 (0.7-2.4) |
 | Poor4 | 67 (81; 37) | 2.7 (1.9-3.9) | 2.0 (1.3-3.0) | 4.2 (2.2-7.7) | 2.2 (1.1-4.5) |
Urbanisation level of the place of residence | ≥10000 inhabitants | 552 (70; 20) | 1 (Referent) | 1 (Referent) | 1 (Referent) | 1 (Referent) |
 | <10000 inhabitants | 382 (66; 21) | 1.0 (0.8-1.1) | 0.9 (0.8-1.1) | 1.1 (0.8-1.4) | 1.0 (0.7-1.4) |
Age | 18-19 years | 723 (68; 20) | 1 (Referent) | 1 (Referent) | 1 (Referent) | 1 (Referent) |
 | 20-28 years | 221 (71; 23) | 1.1 (0.9-1.3) | 1.1 (0.9-1.3) | 1.2 (0.9-1.6) | 1.2 (0.8-1.7) |
Company | Anti-tank company | 249 (61; 16) | 1 (Referent) | 1 (Referent) | 1 (Referent) | 1 (Referent) |
 | Signal company | 234 (66; 16) | 1.2 (1.0-1.5) | 1.3 (1.0-1.6) | 1.0 (0.7-1.6) | 1.1 (0.7-1.8) |
 | Mortar company | 69 (61; 9) | 1.0 (0.7-1.4) | 1.2 (0.8-1.7) | 0.5 (0.2-1.2) | 0.8 (0.3-1.9) |
 | Engineer company | 215 (76; 24) | 1.5 (1.2-1.8) | 1.5 (1.2-2.0) | 1.6 (1.0-2.3) | 1.5 (0.9-2.4) |
 | Infantry company | 100 (86; 36) | 2.1 (1.6-2.8) | 1.9 (1.4-2.6) | 2.6 (1.7-4.1) | 2.6 (1.6-4.3) |
 | Logistic company | 61 (77; 34) | 1.7 (1.2-2.4) | 1.7 (1.2-2.4) | 2.4 (1.4-4.1) | 2.2 (1.2-3.9) |
 | Other companies5 | 16 (50; 0) | 0.8 (0.4-1.7) | 1.0 (0.5-2.1) | 0.0 (0.0-∞) | 0.0 (0.0-∞) |