Prevalence of respiratory diseases depends on concentration of endotoxins and allergens in the occupational and home environment
| Level of exposure to | Allergens | Low | Low | High | High |
|---|---|---|---|---|---|
| Level of exposure to | Endotoxins | Low | High | Low | High |
| Prevalence of | Allergic rhinitis/atopic asthma | Low | Low | High | Low |
| Prevalence of | Asthma-like syndrome/chronic bronchitis | Low | High | Low | High |