Table 1.
Basic characteristics of wood dust measurements included in the final dataset.
| Covariates | Dust measurements, | |
|---|---|---|
| n (%) | ||
| General characteristics | ||
| Type of measurements | Personal | 12653 (100) |
| Reason for sampling | Survey | 4734 (37.4) |
| Inspection/compliance | 160 (1.3) | |
| Unknown | 7759 (61.3) | |
| Sampling strategy | Representative | 12471 (98.6) |
| Not representative | 182 (1.4) | |
| OAs-JEM score | No exposure | 735 (5.8) |
| Low exposure | 2800 (22.1) | |
| High exposure | 9118 (72.1) | |
| Year of measurement | Year, mean (SD) | 1997 (4.7) |
| Country | Denmark | 3719 (29.4) |
| Norway | 39 (0.3) | |
| The Netherlands | 342 (2.7) | |
| Finland | 642 (5.1) | |
| United Kingdom | 499 (3.9) | |
| France | 7412 (58.6) | |
| Measurement characteristics | ||
| Sampling duration | Minutes, mean (SD) | 265.9 (108.8) |
| Type of sampler | Closed-faced cassette | 7752 (61.3) |
| Open faced cassette | 129 (1.0) | |
| 7-Hole sampler | 136 (1.1) | |
| IOM sampler | 4636 (36.6) | |
| Measurements < LOD | 403 (3.2) | |