Table 5

Frequency of exposure to fumigants: individual compounds

Individual compounds+NHL n = 517Controls n = 1506ORa (95% CI)ORadjb (95% CI)
n exposed% exposedn exposed% exposed
Malathionc122.3231.51.49 (0.72–3.11)1.54 (0.74–3.22)
Carbon tetrachlorided132.5181.2 2.13 (1.02–4.47) 2.42 (1.19–5.14)
  • a ORs calculated with strata for the variables age and province of residence.

  • b ORs adjusted for statistically significant medical variables (history of measles, mumps, cancer, allergy desensitization shots, and a positive family history of cancer in a first-degree relative) and with strata for the variables age and province of residence.

  • c Malathion is an organophosphorus insecticide which has been used indoors as a fumigant.

  • d Carbon tetrachloride was used as a grain fumigant.