Table 2 Description of longitudinal general population cohort studies of asthma published June 1999–2007 in which the population attributable risk (PAR) for occupational exposures and asthma was either published or can be derived.
Ref | Subject n Case n | Country | Asthma Definition | Occupational Exposure | PAR |
|---|---|---|---|---|---|
19 | 59,058 588 | Israel | Physician-diagnosed | Military exposures: Combat or maintenance versus clerical | 44%* |
20 | 1,852,848 49,575 | Finland | Incident asthma symptoms and at least one criteria of airway reversibility | Occupations at baseline a priori classified as exposed | 29% men, 17% women, weighted 22% |
21 | 2,723†, 101 | Norway | Physician-diagnosed incident asthma | Self-reported exposure to much dust or fumes at baseline | 14% |
22 | 52,325 1,426 | Singapore | Adult-onset physician-diagnosed asthma | Occupations at baseline a priori classified as exposed to: I: dust, II:smoke, III: vapors | I – 2.7%*, II – 1.7%*, III – 4.2%*, cumulative 8.6% |
23 | 6,837 133 3,994 38 | International | A. Incident asthma symptoms or medication B. Incident asthma symptoms or medication and new hyperesponsiveness | I. Exposure to high-risk substances (at baseline and during follow-up) by job-exposure matrix II. Occupations a priori classified as exposed | AI – 11%, AII – 1.7%, BI – 23%, BII – 26%, mean 18.5%* |
24 | 5,933‡ 271 | Sweden | Physician-diagnosed asthma | Manual workers in industry | 9% |