Table 4

Seasonal variation of nasal symptoms.

SpringSummerAutumnWinter
Nasal symptoms due to:
Tree pollen79.666.729.224.1
Grass pollen69.969.631.324.4
Animals59.051.731.728.6
Dust64.354.448.447.2
Mould64.854.049.046.9
Damp/cold air61.843.256.658.5
Dry air57.646.952.050.0
Tobacco fumes62.048.947.346.7
Strong smelling scents65.953.948.045.8
Spicy food66.750.456.055.6
Red wine65.050.551.052.0
Stress or discomfort59.145.754.352.4
  • Data presented as per cent of those who reported symptoms due to each particular kind of exposure.