Table 5—

Adjusted odds ratios (95% confidence interval) for upper airway symptoms (UAS) with respect to farming characteristics

Farming characteristicnPollen-induced UASPet-induced UASFarm work-induced UAS
No farming26811
Part-time farming741.0 (0.6–1.9)0.4 (0.2–1.1)1
Full-time farming1240.4 (0.2–0.8)0.2 (0.1–0.6)1.9 (1.0–3.8)
Type of farm
 No farming26811
 Dairy farming1090.5 (0.3–0.9)0.3 (0.1–0.8)10.0 (2.9–35.0)
 Other animal husbandry290.6 (0.2–1.8) # 7.2 (1.7–30.0)
 Crop farming500.7 (0.3–1.5)0.2 (0.1–1.0)1
Visits in cow shed during the last 12 months
 No visits194111
 Once a day or less1770.9 (0.5–1.4)0.6 (0.3–1.1)2.1 (0.4–10.0)
 More than once daily950.7 (0.4–1.4)0.2 (0.1–0.7)5.2 (1.1–24.0)
Duration of work with animals
 Not at all231111
 <5 yrs451.0 (0.5–2.1)1.1 (0.4–2.8)2.3 (0.3–15.0)
 5–15 yrs670.6 (0.3–1.3)1.1 (0.5–2.4)5.3 (1.1–26.0)
 >15 yrs960.4 (0.2–0.8)0.4 (0.1–1.1)8.5 (1.9–39.0)
  • #: none of the 29 farmers working with animals but not participating in dairy farming complained of pet-induced UAS

  • : farm work-induced UAS analysis was confined to the 198 farmers only