| Reference | Location | Cancer | No. of exposed cases/controls | Relative risk | 95% CI | Comments |
|---|---|---|---|---|---|---|
| Hoar et al. (1986) | Kansas, USA | Non-Hodgkin's lymphoma | 54/275 24/99 | 1.5 1.1 | 0.9–2.4 0.6–2.2 | Insecticides; not adjusted for herbicide use Adjusted for herbicide use; farmers only |
| Hoar Zahm et al. (1988) | Kansas, USA | Hodgkin's disease | 38/275 32/214 25/132 | 0.8 0.9 1.1 | 0.5–1.4 0.5–1.5 0.6–1.9 | Insecticide use Insecticide use on animals Insecticide use on crops Unadjusted for other agricultural exposures |
| Hoar Zahm et al. (1990) | Nebraska, USA | Non-Hodgkin's lymphoma | 104/321 NA | 1.1 2.4 | 0.7–1.6 NA | Insecticides; not adjusted for herbicide use Organophosphates; adjusted for 2, 4-D use Risks rose with days per year of organo phosphate insecticides after adjustment for herbicides |
| Woods et al. (1987); Woods & Polissar (1989) | Washington, USA | Non-Hodgkin's lymphoma | NA NA NA NA | 1.6 1.8 1.6 1.7 | 0.7–3.8 1.0–3.2 0.5–5.1 0.9–3.3 | Chlordane DDT Chlordane for farmers only DDT for farmers only Not adjusted for other agricultural exposures |
| Persson et al. (1989) | Sweden | Non-Hodgkin's lymphoma | 0/3 | – | – | DDT exposure |
| Persson et al. (1989) | Sweden | Hodgkin's disease | 3/3 | 7.5 | 0.8–70.0 | DDT, adjusted for some agricultural exposures; 90% CI |
| Hardell et al. (1981) | Sweden | Malignant lymphoma | 22/26 7/11 | [1.8] [1.6] | [1.0–3.2] [0.6–4.1] | DDT, crude risk calculated from data in paper. Not adjusted for other agricultural exposures Crude risk for DDT, without exposure to phenoxyacetic acid herbicides |
NA, not available
From: Occupational exposures in spraying and application of insecticides
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