HR and corresponding 95% CI for firefighters compared with police, and police compared with firefighters, excluding all other workers in the ODSS cohort, 1983–2020
| ICD-10 code | Cancer site | Firefighters (n=13 642) | Police (n=22 595) | ||
| Cases (n) | HR* (95% CI) | Cases (n) | HR* (95% CI) | ||
| C0–C97 | Any cancer | 1730 | 1.03 (0.96 to 1.09) | 2377 | 0.97 (0.91 to 1.04) |
| C00 | Lip | 11 | 1.35 (0.57 to 3.22) | 11 | 0.66 (0.28 to 1.53) |
| C01–C14 | Oral | 56 | 1.03 (0.72 to 1.46) | 79 | 1.05 (0.74 to 1.48) |
| C15 | Oesophagus | 29 | 0.93 (0.57 to 1.50) | 43 | 1.17 (0.72 to 1.88) |
| C16 | Stomach | 34 | 0.79 (0.51 to 1.21) | 57 | 1.33 (0.87 to 2.06) |
| C18 | Colon | 152 | 0.97 (0.78 to 1.20) | 203 | 1.06 (0.86 to 1.32) |
| C20 | Rectum | 66 | 1.19 (0.85 to 1.68) | 76 | 0.81 (0.58 to 1.14) |
| C22 | Liver | 25 | 0.92 (0.54 to 1.56) | 36 | 1.17 (0.69 to 1.99) |
| C25 | Pancreas | 53 | 1.09 (0.75 to 1.59) | 63 | 0.88 (0.61 to 1.28) |
| C30 | Nasal | <6 | <6 | ||
| C32 | Larynx | 15 | 1.09 (0.54 to 2.18) | 18 | 0.94 (0.47 to 1.88) |
| C34 | Lung | 210 | 1.11 (0.92 to 1.35) | 237 | 0.89 (0.74 to 1.08) |
| C45 | Mesothelioma | 11 | 3.21 (1.01 to 10.20) | <6 | |
| C40 | Bone | <6 | 15 | 4.38 (0.99 to 19.5) | |
| C43 | Melanoma | 125 | 1.01 (0.80 to 1.28) | 184 | 0.98 (0.78 to 1.24) |
| C50 | Breast (female) | 7 | 0.78 (0.36 to 1.71) | 80 | 1.27 (0.59 to 2.75) |
| C50 | Breast (male) | <6 | 8 | 1.58 (0.47 to 5.28) | |
| C53 | Cervix | <6 | 12 | 0.58 (0.13 to 2.62) | |
| C56 | Ovary | <6 | 9 | 0.49 (0.11 to 2.27) | |
| C61 | Prostate | 492 | 0.99 (0.88 to 1.12) | 623 | 1.03 (0.91 to 1.16) |
| C62 | Testis | 30 | 1.96 (1.19 to 3.23) | 29 | 0.58 (0.35 to 0.95) |
| C64 | Kidney | 94 | 1.31 (0.98 to 1.75) | 97 | 0.75 (0.56 to 1.00) |
| C67 | Bladder | 120 | 0.94 (0.74 to 1.19) | 169 | 1.13 (0.89 to 1.43) |
| C69 | Eye | <6 | 8 | 2.08 (0.55 to 7.90) | |
| C71 | Brain | 37 | 1.05 (0.68 to 1.62) | 53 | 0.91 (0.59 to 1.38) |
| C73 | Thyroid | 27 | 0.75 (0.47 to 1.20) | 72 | 1.16 (0.74 to 1.81) |
| C81 | Hodgkin’s lymphoma | 10 | 1.33 (0.57 to 3.12) | 13 | 0.68 (0.29 to 1.60) |
| C82 | Non-Hodgkin’s lymphoma | 104 | 1.21 (0.92 to 1.58) | 128 | 0.85 (0.65 to 1.11) |
| C90 | Myeloma | 29 | 0.94 (0.57 to 1.53) | 42 | 1.01 (0.62 to 1.65) |
| C91 | Leukaemia | 64 | 1.15 (0.81 to 1.62) | 71 | 0.80 (0.57 to 1.12) |
Statistically significant (α=0.05) increased risks are in bold, while statistically significant decreased risks are in italics.
*Adjusted for age at start of follow-up, birth year and sex.
ICD-10, International Classification of Diseases 10th Revision; ODSS, Occupational Disease Surveillance System.