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Table 6 Hazard ratios (HR) and 95% confidence intervals (CI) for selected cancers among male and female livestock farmers and farm workers in CanCHEC (1991–2010)

From: Cancer risks in a population-based study of 70,570 agricultural workers: results from the Canadian census health and Environment cohort (CanCHEC)

Cancer Site (ICD-O-3)

Men

Women

 

Cases

HR

(95% CI)a

Cases

HR

(95% CI)a

Any cancerb

240

0.94

(0.83–1.07)

160

0.90

(0.77–1.05)

Prostate (C61.9)

90

1.26

(1.03–1.55)

-

-

-

Breast (C50)

0

-

-

45

0.76

(0.57–1.02)

Lung (C34)

30

0.69

(0.48–0.98)

20

0.61

(0.37–0.99)

Colon (C18, C26.0)

20

0.97

(0.63–1.49)

20

1.35

(0.87–2.09)

Rectum (C19.9, C20.9)

10

0.93

(0.54–1.60)

5

0.86

(0.36–2.06)

Non-Hodgkin Lymphomac

15

0.89

(0.54–1.45)

5

0.72

(0.33–1.61)

Melanoma (C44)

15

1.44

(0.82–2.53)

5

1.11

(0.53–2.33)

Thyroid (C73.9)

10

3.01

(1.35–6.73)

10

1.28

(0.57–2.85)

Oral (C00-C14)

10

1.16

(0.62–2.15)

5

2.70

(1.28–5.68)

 Lip (C00.0-C00.9)

5

2.91

(1.08–7.80)

<5

-

-

Stomach (C16)

10

1.22

(0.63–2.35)

<5

-

-

Bladder (C67)

10

0.72

(0.40–1.31)

<5

-

-

Kidney (C64.9)

5

0.57

(0.26–1.27)

<5

-

-

Leukemiac

5

0.82

(0.37–1.83)

<5

-

-

Pancreas (C25)

<5

-

-

5

1.14

(0.51–2.54)

Cervix (C53)

-

-

-

5

1.55

(0.70–3.46)

Larynx (C32)

5

1.46

(0.61–3.52)

0

-

-

Multiple Myelomac

<5

-

-

<5

-

-

Esophagus (C15)

<5

-

-

<5

-

-

Liver (C22.0, C22.1)

<5

-

-

<5

-

-

Brain (C70-C72)

<5

-

-

<5

-

-

Nasal (C30)

<5

-

-

0

-

-

Bone (C40, C41)

<5

-

-

0

-

-

Hodgkin Lymphomac

<5

-

-

0

-

-

Ovary (C56.9)

-

-

-

<5

-

-

Testis (C62)

0

-

-

-

-

-

Mesotheliomac

0

-

-

0

-

-

  1. 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
  2. aAdjusted for age at baseline (age group categories), province of residence at baseline, and education level at baseline
  3. bIncident primary cancers excluding non-melanoma skin cancer
  4. 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)