Population attributable fraction (PAF) of lifetime occupational exposures for adult onset asthma by age 42
| Exposure categories | Prevalence* | PAF (%) | 95% CI (%) |
|---|---|---|---|
| Considering individual exposures | |||
| Non-exposed | 1864 (26.3%) | – | – |
| Ever a low-risk exposure (but never a high-risk) | 2087 (29.4%) | 4.0 | −1.5 to 9.2 |
| Ever a high-risk exposure (but never a low-risk)) | 595 (8.4%) | 3.4 | 0.7 to 6.0 |
| Worked in both low-risk jobs and in high-risk jobs | 2542 (35.9%) | 8.9 | 2.0 to 15.3 |
| Considering all exposures combined | |||
| Exposure to any occupation exposure (low, high or both) | 5224 (73.7%) | 16.3 | 3.8 to 27.1 |
*309 individuals who had provided insufficient information to be certain regarding exposure status for their entire working life were excluded.
ASJEM, Asthma Specific Job Exposure Matrix.