Table 1 Occupational group and exposure characteristics for 436 distinct jobs reported by 348 subjects over two interviews 2 years apart
CharacteristicFrequency, n (%)
Occupation group
    Professional, managerial, administrative, sales350 (80%)
    Technician, service, trades, agriculture86 (20%)
Exposure likelihood by JEM
    Low likelihood of exposure316 (72%)
    Moderate likelihood of exposure104 (24%)
    High likelihood of exposure16 (4%)
Self-reported exposure to VGDF193 (44%)
    No self-reported specific exposure to any of 19 specific10 (5%)
    Self-reported specific exposure to any of 19 specific materials*183 (95%)
        Exposure to irritant gases or fumes (6 items)*122 (67%)
        Exposure to biological materials (6 items)*162 (87%)
        Exposure to synthetic organic chemicals (7 items)*99 (54%)
  • *Percent of n from preceding header.

  • If the same job is reported at both interviews, self-reported exposure is based on the first interview response. JEM, job-exposure matrix; VGDF, vapours, gas, dust or fumes. Irritant gases or fumes includes: cleaners or bleach; irritant chemicals; smoke or combustion by-products; metal fumes or dust; refrigerants; flux or solder. Biological materials includes: plant dust or pollen; natural latex; cotton dust; wood dust; grain dusts or flours; animal hairs or dander; enzymes. Synthetic organic chemicals includes: paints, dyes or inks; pharmaceuticals; formaldehyde; sealant or shellac; urethanes; epoxies or other glues; photographic chemicals.