Number of person-years | Number of occupational injuries | Incidence rate per 1000 person-years | Adjusted risk ratio and 95% CI | ||
All sample | 446 120 | 15 195 | 34.1 | ||
Age (years) | |||||
<25 | 16 465 | 891 | 54.1 | 0.94 | 0.77 to 1.16 |
25–29 | 43 383 | 2040 | 47.0 | 0.86 | 0.72 to 1.04 |
30–34 | 43 332 | 1772 | 40.9 | 0.83 | 0.70 to 0.98 |
35–39 | 78 296 | 2676 | 34.2 | 0.86 | 0.75 to 1.00 |
40–44 | 108 486 | 3474 | 32.0 | 0.89 | 0.79 to 1.01 |
45–49 | 93 414 | 2781 | 29.8 | 0.96 | 0.86 to 1.07 |
50–55 | 62 744 | 1561 | 24.9 | 1.00 | |
Length of service (years) | |||||
<1 | 15 454 | 592 | 38.3 | 1.87 | 1.49 to 2.34 |
1 | 13 446 | 751 | 55.9 | 2.64 | 2.12 to 3.29 |
2 | 11 856 | 664 | 56.0 | 2.72 | 2.18 to 3.39 |
3–4 | 13 614 | 656 | 48.2 | 2.29 | 1.84 to 2.84 |
5–9 | 37 028 | 1691 | 45.7 | 1.99 | 1.64 to 2.40 |
10–14 | 20 179 | 741 | 36.7 | 1.86 | 1.55 to 2.24 |
15–19 | 99 961 | 3329 | 33.3 | 1.67 | 1.44 to 1.94 |
20–24 | 110 192 | 3618 | 32.8 | 1.52 | 1.33 to 1.74 |
25–29 | 74 855 | 2215 | 29.6 | 1.41 | 1.24 to 1.61 |
≥30 | 49 534 | 938 | 19.0 | 1.00 | |
Job category | |||||
Train customer accompaniment operators | 25 945 | 693 | 26.7 | 1.00 | |
Mechanical/diagnostic/electrotechnical operators and boilermakers-welders | 44 248 | 3525 | 79.7 | 2.87 | 2.53 to 3.26 |
Railway maintenance operators | 44 155 | 2963 | 67.1 | 2.49 | 2.19 to 2.83 |
Signposting/telecommunication/energy-electric traction/specialized mechanical operators | 26 882 | 1161 | 43.2 | 1.66 | 1.45 to 1.91 |
Other conception/construction/basic equipment/rolling equipment operators | 46 824 | 922 | 19.7 | 0.78 | 0.67 to 0.90 |
Transport production operators | 37 612 | 2175 | 57.8 | 2.23 | 1.96 to 2.54 |
Traffic operators | 34 057 | 623 | 18.4 | 0.69 | 0.59 to 0.80 |
Other operational production operators | 21 575 | 622 | 28.8 | 1.12 | 0.96 to 1.30 |
Train drivers | 51 564 | 1238 | 24.0 | 0.82 | 0.72 to 0.94 |
Other jobs | 113 258 | 1273 | 11.2 | 0.48 | 0.42 to 0.55 |
Risk ratios were computed using negative binomial regression models featuring age, length of service and job.