Table 5.
Hazard ratios (HR) and 95% confidence intervals (CI) for selected cancers among male and female crop farmers and farm workers in CanCHEC (1991–2010)
| Cancer Site (ICD-O-3) | Men | Women | ||||
|---|---|---|---|---|---|---|
| Cases | HR | (95% CI)a | Cases | HR | (95% CI)a | |
| Any cancerb | 270 | 0.84 | (0.75–0.95) | 355 | 0.85 | (0.76–0.94) |
| Breast (C50) | 0 | - | - | 110 | 0.85 | (0.70–1.02) |
| Prostate (C61.9) | 80 | 0.82 | (0.66–1.02) | - | - | - |
| Leukemia3 | 80 | 1.08 | (0.60–1.95) | 15 | 2.01 | (1.24–3.25) |
| Lung (C34) | 50 | 0.85 | (0.64–1.13) | 30 | 0.44 | (0.31–0.63) |
| Melanoma (C44) | <5 | - | - | 25 | 1.79 | (1.17–2.73) |
| Colon (C18, C26.0) | 30 | 1.10 | (0.77–1.56) | 20 | 0.62 | (0.39–0.97) |
| Rectum (C19.9, C20.9) | 15 | 0.88 | (0.53–1.46) | 15 | 0.96 | (0.58–1.59) |
| Non-Hodgkin Lymphomac | 15 | 1.16 | (0.48–2.80) | 15 | 0.74 | (0.47–1.18) |
| Bladder (C67) | 15 | 0.75 | (0.47–1.20) | <5 | - | - |
| Thyroid (C73.9) | 0 | - | - | 15 | 1.55 | (0.96–2.51) |
| Ovary (C56.9) | - | - | - | 15 | 1.08 | (0.66–1.77) |
| Cervix (C53) | - | - | - | 10 | 1.13 | (0.59–2.18) |
| Multiple Myelomac | 10 | 0.84 | (0.52–1.38) | 10 | 2.25 | (1.16–4.37) |
| Kidney (C64.9) | 10 | 0.90 | (0.48–1.68) | 10 | 0.82 | (0.39–1.74) |
| Stomach (C16) | 10 | 0.61 | (0.32–1.18) | 10 | 1.05 | (0.50–2.21) |
| Oral (C00-C14) | 10 | 1.26 | (0.71–2.22) | 5 | 0.82 | (0.34–1.98) |
| Lip (C00.0-C00.9) | 10 | 3.59 | (1.69–7.62) | 0 | - | - |
| Pancreas (C25) | 5 | 0.87 | (0.41–1.83) | 5 | 1.02 | (0.53–1.96) |
| Brain (C70-C72) | <5 | - | - | 5 | 1.06 | (0.47–2.37) |
| Larynx (C32) | 5 | 1.50 | (0.67–3.36) | 0 | - | - |
| Bone (C40, C41) | <5 | - | - | <5 | - | - |
| Liver (C22.0, C22.1) | <5 | - | - | 0 | - | - |
| Nasal (C30) | <5 | - | - | 0 | - | - |
| Esophagus (C15) | 0 | - | - | <5 | - | - |
| Mesotheliomac | 0 | - | - | <5 | - | - |
| Hodgkin Lymphomac | 0 | - | - | <5 | - | - |
| Testis (C62) | 0 | - | - | - | - | - |
Note: case counts below 5 have been suppressed and all counts have been randomly rounded to base 5 in accordance with Statistics Canada disclosure rules
aAdjusted for age at baseline (age group categories), province of residence at baseline, and education level at baseline
bIncident primary cancers excluding non-melanoma skin cancer
cCancers defined using ICD-O-3 Histology codes: Mesothelioma (9050–9055), Hodgkin lymphoma (9650–9667); non-Hodgkin lymphoma (9590–9596,9670–9719, 9727–9729, 9823, 9827); Multiple myeloma (9731,9732,9734); Leukemia (9733, 9742, 9800–9801, 9805, 9820, 9826, 9831–9837, 9840, 9860–9861, 9863, 9866–9867, 9870–9876,9891,9895–9897,9910, 9920, 9930–9931, 9940, 9945–9946, 9948, 9963–9964, 9823, 9827)