Table 7 Conditional logistic regression estimated adjusted odds ratios (aORs) and 95% confidence intervals (CIs) for associations of allergic rhinitis with air pollutant concentrations, stratified by stress and gender

PM₁₀

1

Reference, reference

Reference, reference

2

0.94 (0.81, 1.13), 1.70 (1.54, 1.92)

1.02 (0.83, 1.30), 1.41 (1.01, 1.77)

3

0.91 (0.71, 1.28), 1.63 (1.41, 1.87)

0.95 (0.74, 1.23), 1.38 (1.00, 1.65)

4

1.07 (0.86, 1.36), 1.80 (1.61, 2.02) 0.03

1.11 (0.93, 1.42), 1.49 (1.18, 1.82) 0.01

NO₂

1

Reference, reference

Reference, reference

2

1.05 (0.84, 1.31) 1.89 (1.52, 2.13)

1.23 (1.04, 1.58), 1.51 (1.18, 1.95)

3

1.16 (0.93, 1.57) 1.90 (1.47, 2.25)

1.36 (1.17, 1.66), 1.78 (1.26, 2.20)

4

1.48 (1.03, 1.85) 1.98 (1.74, 2.43) 0.04

1.52 (1.21, 1.94), 2.10 (1.85, 2.55) 0.01