Measured endotoxin exposure levels in agricultural workers, by job title
| Sector and job title | Participants in questionnaire study | Personal endotoxin measurements | Endotoxin exposure EU·m−3 |
| Flower bulb trade | |||
| Office worker | 40 | 3 | 15±1.1 |
| Fork-lift truck operator | 10 | 2 | 86±1.3 |
| Technician | 4 | 2 | 93±1.5 |
| Packer | 8 | 9 | 170±3.4 |
| Crop grower | 9 | 1 | 180 |
| Operator | 55 | 14 | 690±2.9 |
| Animal feed industry | |||
| Office worker | 9 | 6 | 35±2.1 |
| Lab worker | 3 | 4 | 59±2.1 |
| Control room worker | 31 | 19 | 250±4.1 |
| Truck driver | 6 | 10 | 250±8.9 |
| Operator | 44 | 27 | 320±6.8 |
| Technician | 10 | 7 | 400±2.5 |
| Crane driver | 4 | 5 | 950±7.5 |
| Cleaner | 2 | 3 | 1000±4.4 |
| Unloader | 5 | 5 | 9500±2.8 |
| Onion trade (modernised) | |||
| Office worker | 8 | 3 | 380±3.7 |
| Packer | 5 | 1 | 630 |
| Fork-lift truck operator | 13 | 2 | 1100±2.4 |
| Operator | 19 | 6 | 1300±3.3 |
| Onion trade (traditional) | |||
| Technician | 3 | 2 | 800±3.5 |
| Fork-lift truck operator | 13 | 6 | 4100±3.7 |
| Packer | 4 | 4 | 5300±1.4 |
| Operator | 32 | 15 | 10000±1.6 |
| Vegetable seed industry | |||
| Lab worker | 12 | 2 | 22±1.3 |
| Packer | 2 | 2 | 25±2.1 |
| Crop grower | 5 | 2 | 36±1.7 |
| Operator | 17 | 5 | 280±4.8 |
| Farming | |||
| Crop farmer | 137 | 30 | 63±2.2 |
| Livestock farmer, mainly dairy | 314 | 46 | 220±4.6 |
| Pig farmer | 53 | 6 | 3400±6.9 |
Data are presented as n or geometric mean±geometric sd. EU: endotoxin unit.