Job category | Work classification | Exposure category | ||
Dust# | Soy antigen¶ | Peak dust+ | ||
Autopackaging operators | Production | High | Medium | High |
Autopackaging assistants | Production | High | Low | High |
Curd operators | Production | High | High | Medium |
Feed dryer operators | Production | Medium | Medium | High |
Production leads | Production | Medium | High | Medium |
Spray dryer operators | Production | Low | Medium | Medium |
Maintenance workers | Production support | Low | Low | Medium |
Sanitation workers | Production support | High | High | High |
Unloading operators | Production support | Medium | High | High |
Laboratory technicians | Non-production | Medium | Medium | Low |
Office workers | Non-production | Low | Low | Low |
Warehouse workers | Non-production | Low | Low | Low |
#: distributional tertiles of inhalable dust concentration (high, 0.75–1.6 mg·m−3; medium, 0.58–0.73 mg·m−3; low, 0.17–0.54 mg·m−3); ¶: distributional tertiles of inhalable soy antigen concentration (high, 2,635–25,958 ng·m−3; medium, 959–2,297 ng·m−3; low, 24–804 ng·m−3); +: peak dust concentration (high, ≥10 mg·m−3; medium, ≥1 mg·m−3 and <10 mg·m−3; low, all peaks <1 mg·m−3).