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Table 3 Risk factors for long-term nasal symptoms in a multiple logistic regression model

From: Smoking, environmental tobacco smoke and occupational irritants increase the risk of chronic rhinitis

  Chronic rhinitis Nasal congestion Runny nose Physician diagnosed allergic rhinitis
Unexposed 1 1 1 1
Smoker 1.22(1.00–1.49) 1.26(1.01–1.56) 1.08(0.86–1.36) 0.98(0.78–1.21)
ETS at home 0.75(0.49–1.14) 0.70(0.45–1.09) 0.75(0.47–1.21) 1.09(0.90–1.33)
ETS at work 0.99(0.58–1.73) 1.12(0.64–1.95) 0.57(0.30–1.09) 1.00(0.64–1.56)
Occupational irritants 1.28(0.97–1.69) 1.20(0.90–1.60) 1.49(1.11–1.99) 1.00(0.74–1.36)
ETS + occupational irritants 1.11(0.57–2.16) 1.31(0.66–2.58) 1.34(0.64–2.81) 1.37(0.67–2.78)
Smoker + occupational irritants 1.80(1.39–2.33) 1.82(1.40–2.35) 1.68(1.28–2.19) 0.94(0.71–1.25)
  1. The figures indicate odds ratios (CI 95%). ETS Environmental tobacco smoke