Skip to main content

Advertisement

Table 7 Multivariate analysis of variables associated with GPA

From: Association between environmental exposures and granulomatosis with polyangiitis in Canterbury, New Zealand

Model Variables included Significant variables (OR (95 % CI))  
Gardening Digging, planting, mowing and time in garden Digging 2.6 (1.2–5.7)
Mowing 2.3 (1.0–5.0)
Farming Farm worker, livestock, sheep, farm any in 12 months prior to index date, farm visit in 12 months prior to index date Farm visit 9.3 (3.2–26.7)
Farm worker 4.4 (1.9–10.3)
Dusts Any dust, grain dust, silica dust, chemical sprays, construction, petrol/diesel fumes, hobby dust silica, solvent, metals Grain dust 7.2 (2.7–19.4)
Hobby dust 8.1 (2.6–24.7)
Petrol/diesel 5.1 (1.2–19.9)
Solvent exposure 1.03 (1.01–1.05)
Vaccination Vaccination   0.4 (0.2–0.9)
Combined Digging, mowing, farm visit, farm worker, grain dust, hobby dust, petrol/diesel fumes, solvent exposure, vaccination Grain dust 4.0 (1.1–13.8)
Hobby dust 8.3 (2.4–28.3)
Farm worker 3.5 (1.1–11.5)
Farm visit 8.9 (2.6–29.9)
Petrol/diesel 6.2 (1.2–32.7)
Solvent exposure 1.04 (1.02–1.07)
  1. CI confidence interval, GPA granulomatosis with polyangiitis, OR odds ratio