Age (years) Total Total Total Non-smokers Non-smokers Non-smokers Smokers Smokers Smokers
Investigated, n Paranasal sinusitis Paranasal sinusitis Investigated, n Paranasal sinusitis Paranasal sinusitis Investigated, n Paranasal sinusitis Paranasal sinusitis
Participants, n
Proportion (95 % CI)
Participants, n
Proportion (95 % CI)
Participants, n
Proportion (95 % CI)
Total 4813 740 15.4 (14.4–16.4) 3757 502 13.4 (12.3–14.5) 1056 238 22.5 (20.0–25.1)
35–44 1214 153 12.6 (10.7–14.5) 1021 112 11.0 (9.1–12.9) 193 41 21.2 (15.5–27.0)
45–54 1797 287 16.0 (14.3–17.7) 1323 182 13.8 (11.9–15.6) 474 105 22.2 (18.4–25.9)
55–64 1066 176 16.5 (14.3–18.7) 812 116 14.3 (11.9–16.7) 254 60 23.6 (18.4–28.9)
65–75 736 124 16.5 (14.1–19.6) 601 92 15.3 (12.4–18.2) 135 32 23.7 (16.5–30.9)
p-value of trend 0.007 <0.001 0.499