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Table 5 Rhinitis in relation to traffic.

From: Traffic exposure associated with allergic asthma and allergic rhinitis in adults. A cross-sectional study in southern Sweden

   Rhinitis
   Allergic rhinitisa Non-allergic rhinitisb
   nc n, % Adj ORd nc n, % Adj ORd
Heavy traffic No 5641 1154(20.5%) 1.00 4887 400(8.2%) 1.00
  Yes 3070 710(23.1%) 1.13(1.01–1.26) 2565 205(8.0%) 0.99(0.83–1.18)
Heaviest road radie <100 m no heavy road 3523 715(20.3%) 1.00 3040 232(7.6%) 1.00
  <2 cars/min 2087 421(20.2%) 0.99(0.87–1.14) 1814 148(8.2%) 1.08(0.87–1.34)
  2–5 cars/min 1684 373(22.1%) 1.11(0.96–1.28) 1447 136(9.4%) 1.27(1.01–1.58)
  6–10 cars/min 835 201(24.1%) 1.27(1.06–1.53) 685 51(7.4%) 0.96(0.70–1.32)
  >10 cars/min 544 143(26.3%) 1.30(1.05–1.61) 435 34(7.8%) 1.07(0.73–1.56)
NOx (ug/m3) 0–8 1759 329(18.7%) 1.00 1526 96(6.3%) 1.00
  8–11 1729 391(22.6%) 1.30(1.10–1.53) 1464 126(8.6%) 1.39(1.05–1.83)
  11–14 1731 368(21.3%) 1.16(0.98–1.38) 1487 124(8.3%) 1.37(1.04–1.80)
  14–19 1721 347(20.2%) 1.14(0.96–1.35) 1511 137(9.1%) 1.47(1.12–1.93)
  >19 1733 418(24.1%) 1.33(1.13–1.57) 1433 118(8.2%) 1.37(1.03–1.81)
    p-trend 0.006   p-trend 0.057
  1. a Rhinitis triggered by pollen, furred animals, house-dust or mould
  2. bRhinitis triggered by other factors
  3. c Individuals with non-allergic rhinitis were excluded from the analysis of allergic rhinitis in relation to traffic, and vice versa.
  4. d OR:s, 95% CI. Adjusted for age, sex and smoking