First series | Second series | |
Men (mean (SD)) | 849 (6.4) | 3171 (4.1) |
Different jobs (mean (SD)) | 110 (5.0) | 184 (3.6) |
Self reported exposure (mean (SD)) (%) | 25.5 (1.5) | 25.8 (0.5) |
Men in each category of job (mean (SD)) (%): | ||
<10 | 40.2 (2.6) | 14.4 (0.8) |
10–19 | 17.9 (3.2) | 19.1 (1.4) |
20–49 | 25.9 (5.2) | 20.4 (1.8) |
⩾50 | 16.0 (4.4) | 46.0 (1.5) |
Significant positive associations (between exposure and FEV1) out of 100 draws (n): | ||
Self reported exposure | 6 | 8 |
Pp JEM | 16 | 61 |
P10–50 JEM | 15 | 63 |