No onset | Onset | OR (95% CI)# | |
Subjects n | 18165 | 1619 | |
JEM classification | |||
Unexposed¶ | 8302 (46) | 737 (46) | 1.00 |
Biological dust | |||
Low | 2829 (16) | 236 (15) | 0.84 (0.72–0.99) |
High | 1147 (6) | 123 (8) | 0.92 (0.74–1.16) |
Mineral dust | |||
Low | 4158 (23) | 388 (24) | 0.88 (0.76–1.02) |
High | 1978 (11) | 168 (10) | 0.75 (0.62–0.91) |
Gases or fumes | |||
Low | 5173 (28) | 463 (29) | 0.89 (0.78–1.01) |
High | 2460 (14) | 204 (13) | 0.76 (0.64–0.91) |
Any combination of above | |||
Low | 5921 (33) | 535 (33) | 0.91 (0.80–1.03) |
High | 3942 (22) | 347 (21) | 0.79 (0.68–0.92) |
Classification as high-risk occupation+ | |||
No | 8919 (49) | 800 (49) | 1.00 |
Yes | 5931 (33) | 534 (33) | 0.85 (0.75–0.97) |
Possible | 3315 (18) | 285 (18) | 0.82 (0.70–0.96) |
Data are presented as n (%) unless otherwise indicated. OR: odds ratio; CI: confidence interval; JEM: job exposure matrix. #: random intercept model adjusted for age, sex, type of study sample and smoking status at the time of completion of full-time education; ¶: referent category (unexposed to biological dust, mineral dust and gases or fumes); +: by occupation/industry.