Table 5
Lymphohaematopoietic cancer incidence according to employment duration in selected departments and biological exposure categories
| Exposed | Duration of employment | p value* | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Not exposed | 1–4 years | 5–14 years | 15+ years | |||||||||||||
| Obs | SIR | 95% CI | Obs | SIR | 95% CI | Obs | SIR | 95% CI | Obs | SIR | 95% CI | Obs | SIR | 95% CI | ||
| *Test for trend over the not exposed and the three duration of employment categories. | ||||||||||||||||
| Department | ||||||||||||||||
| Slaughterboard | 4 | 0.65 | 0.22 to 1.53 | 7 | 0.95 | 0.42 to 1.87 | 1 | 0.42 | 0.04 to 1.94 | 0 | 0.00 | 0.00 to 1.04 | 3 | 2.12 | 0.59 to 5.64 | 0.44 |
| Processing | 3 | 2.08 | 0.58 to 5.56 | 8 | 0.66 | 0.31 to 1.25 | 1 | 1.51 | 0.14 to 7.06 | 0 | 0.00 | 0.00 to 5.36 | 2 | 6.25 | 1.25 to 20.03 | 0.01 |
| Plant services | 4 | 1.90 | 0.63 to 4.51 | 7 | 0.61 | 0.27 to 1.20 | 1 | 0.93 | 0.08 to 4.32 | 2 | 3.12 | 0.62 to 10.02 | 1 | 2.56 | 0.23 to 11.95 | 0.03 |
| Biological exposure | ||||||||||||||||
| Raw meat | 4 | 0.46 | 0.15 to 1.10 | 7 | 1.44 | 0.64 to 2.82 | 1 | 0.28 | 0.03 to 1.30 | 0 | 0.00 | 0.00 to 0.76 | 3 | 1.62 | 0.45 to 4.30 | 0.97 |
| Urine | 9 | 0.84 | 0.42 to 1.54 | 2 | 0.69 | 0.14 to 2.22 | 1 | 0.23 | 0.02 to 1.06 | 4 | 1.00 | 0.33 to 2.37 | 4 | 1.77 | 0.59 to 4.21 | 0.05 |
| Faeces | 11 | 1.20 | 0.64 to 2.08 | 0 | 0.00 | 0.00 to 0.56 | 2 | 0.53 | 0.11 to 1.69 | 4 | 1.20 | 0.40 to 2.87 | 5 | 2.44 | 0.93 to 5.35 | <0.001 |
| Blood | 8 | 0.82 | 0.39 to 1.55 | 3 | 0.79 | 0.22 to 2.11 | 2 | 0.48 | 0.10 to 1.54 | 2 | 0.57 | 0.11 to 1.83 | 4 | 1.91 | 0.64 to 4.53 | 0.13 |
