Table 4 Percentage reporting having had symptoms every week over the preceding three months, constituting normative data
| Â | Â | Â | Middle- | Middle- | Â | Â | Â | All | Â | Â | Â | Total | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Young | Young | aged | aged | Elderly | Elderly | All | middle- | All | All | All | sample | sample |
| Â | women | men | women | men | women | men | young | aged | elderly | women | men | unweighted | weighted |
|  | (n = 441) | (n = 265) | (n = 597) | (n = 455) | (n = 860) | (n = 788) | (n = 706) | (n = 1052) | (n = 1648) | (n = 1898) | (n = 1508) | (n = 3406) | (n = 3406) |
Airway symptoms | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Asthma or wheezing | 5.0 | 6.0 | 6.9 | 7.7 | 11.0 | 11.4 | 5.4 | 7.2 | 11.2 | 8.3 | 9.4 | 8.8 | 8.1 |
 Shortness of breath | 7.7 | 6.4 | 8.2 | 7.5 | 11.6 | 12.2 | 7.2 | 7.9 | 11.9 | 9.6 | 9.7 | 9.7 | 9.0 |
 Nasal congestion/discharge | 28.1 | 21.9 | 25.0 | 21.8 | 25.1 | 29.2 | 25.8 | 23.6 | 27.1 | 25.8 | 25.7 | 25.7 | 25.0 |
 Postnasal drip | 8.4 | 6.8 | 9.0 | 6.8 | 12.2 | 9.4 | 7.8 | 8.1 | 10.8 | 10.3 | 8.2 | 9.3 | 8.7 |
 Excessive mucus production | 3.4 | 3.8 | 4.2 | 5.7 | 8.1 | 8.8 | 3.5 | 4.8 | 8.4 | 5.8 | 7.0 | 6.3 | 5.7 |
 Nasal mucosa irritation/dryness | 13.8 | 8.7 | 22.8 | 12.5 | 28.8 | 17.8 | 11.9 | 18.3 | 23.5 | 23.4 | 14.6 | 19.5 | 17.3 |
 Sneezing | 27.9 | 20.4 | 24.1 | 23.7 | 30.8 | 26.8 | 25.1 | 24.0 | 28.9 | 28.0 | 24.7 | 26.6 | 25.6 |
 Coughing | 15.4 | 12.5 | 17.3 | 16.0 | 23.3 | 20.8 | 14.3 | 16.7 | 22.1 | 19.5 | 17.9 | 18.8 | 17.4 |
 Throat irritation/hoarseness | 11.6 | 9.8 | 12.7 | 10.8 | 19.8 | 17.1 | 10.9 | 11.9 | 18.5 | 15.6 | 13.9 | 14.9 | 13.8 |
Skin and eye symptoms | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Facial itching/stinging/tightness/heat | 5.9 | 0.4 | 6.5 | 3.3 | 7.2 | 3.8 | 3.8 | 5.1 | 5.6 | 6.7 | 3.1 | 5.1 | 4.6 |
 Facial redness | 7.0 | 3.0 | 8.2 | 4.2 | 7.2 | 4.1 | 5.5 | 6.5 | 5.7 | 7.5 | 3.9 | 5.9 | 5.5 |
 Dry facial skin | 37.2 | 15.1 | 24.3 | 13.4 | 20.0 | 8.5 | 28.9 | 19.6 | 14.5 | 25.3 | 11.1 | 19.1 | 19.1 |
 Body itching | 14.3 | 5.7 | 14.1 | 13.2 | 14.5 | 12.4 | 11.0 | 13.7 | 13.5 | 14.3 | 11.5 | 13.1 | 12.2 |
 Eye irritation/burning | 8.6 | 7.5 | 14.4 | 9.9 | 18.8 | 13.5 | 8.2 | 12.5 | 16.3 | 15.1 | 11.3 | 13.4 | 12.1 |
 Dry eyes | 11.8 | 7.2 | 14.7 | 8.8 | 21.6 | 11.3 | 10.1 | 12.2 | 16.7 | 17.2 | 9.8 | 13.9 | 12.5 |
Cardiac, dizziness and nausea symptoms | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Heart pounding | 8.8 | 1.9 | 8.9 | 6.4 | 12.1 | 7.0 | 6.2 | 7.8 | 9.6 | 10.3 | 5.9 | 8.4 | 7.5 |
 Chest discomfort | 6.8 | 3.4 | 5.4 | 5.3 | 7.6 | 7.4 | 5.5 | 5.3 | 7.5 | 6.7 | 6.0 | 6.4 | 6.0 |
 Dizziness/lightheadedness | 10.9 | 1.5 | 8.9 | 3.3 | 10.6 | 7.6 | 7.4 | 6.5 | 9.2 | 10.1 | 5.2 | 8.0 | 6.9 |
 Nausea | 14.3 | 2.3 | 7.2 | 5.5 | 5.8 | 2.8 | 9.8 | 6.5 | 4.4 | 8.2 | 3.5 | 6.1 | 6.1 |
Head-related and gastrointestinal symptoms | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Headache | 41.0 | 23.8 | 36.3 | 24.0 | 23.1 | 9.9 | 34.6 | 31.0 | 16.8 | 31.5 | 16.6 | 24.9 | 25.9 |
 Head pressure | 10.7 | 3.8 | 9.5 | 5.5 | 4.9 | 2.7 | 8.1 | 7.8 | 3.8 | 7.7 | 3.7 | 5.9 | 6.0 |
 Head fullness | 19.0 | 9.8 | 15.1 | 10.5 | 11.9 | 6.0 | 15.6 | 13.1 | 9.0 | 14.5 | 8.0 | 11.7 | 11.9 |
 Abdominal gas | 44.9 | 32.5 | 37.7 | 37.1 | 37.0 | 30.8 | 40.2 | 37.5 | 34.0 | 39.0 | 33.0 | 36.4 | 36.5 |
 Abdominal swelling/bloating | 29.7 | 7.2 | 21.9 | 11.2 | 17.1 | 8.8 | 21.2 | 17.3 | 13.1 | 21.5 | 9.2 | 16.1 | 15.8 |
Cognitive and affective symptoms | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Memory difficulties | 13.4 | 9.8 | 20.3 | 14.1 | 14.8 | 17.1 | 12.0 | 17.6 | 15.9 | 16.2 | 14.9 | 15.6 | 14.7 |
 Concentration difficulties | 24.9 | 16.6 | 22.3 | 16.0 | 13.7 | 8.8 | 21.8 | 19.6 | 11.3 | 19.0 | 12.3 | 16.1 | 16.7 |
 Absent-minded | 33.8 | 23.8 | 25.3 | 15.8 | 15.5 | 12.2 | 30.0 | 21.2 | 13.9 | 22.8 | 15.3 | 19.5 | 20.7 |
 General discomfort | 12.2 | 3.8 | 8.5 | 7.5 | 4.0 | 2.7 | 9.1 | 8.1 | 3.3 | 7.3 | 4.3 | 6.0 | 6.3 |
 Sleep disturbance | 26.1 | 16.6 | 32.3 | 22.6 | 33.6 | 19.5 | 22.5 | 28.1 | 26.9 | 31.5 | 20.0 | 26.4 | 24.9 |
 Fatigue | 62.8 | 41.1 | 55.6 | 39.6 | 38.6 | 25.8 | 54.7 | 48.7 | 32.5 | 49.6 | 32.6 | 42.1 | 43.2 |
 Irritable/edgy | 31.7 | 21.5 | 26.3 | 17.1 | 10.3 | 7.7 | 27.9 | 22.3 | 9.1 | 20.3 | 13.0 | 17.1 | 18.6 |
 Worried | 29.3 | 18.1 | 21.4 | 18.0 | 17.4 | 9.1 | 25.1 | 20.0 | 13.5 | 21.4 | 13.4 | 17.9 | 18.6 |
 Tensed/nervous | 23.4 | 8.3 | 16.2 | 10.8 | 7.0 | 2.7 | 17.7 | 13.9 | 4.9 | 13.7 | 6.1 | 10.3 | 11.1 |
 Depressed | 31.5 | 16.2 | 18.1 | 15.2 | 14.8 | 8.0 | 25.8 | 16.8 | 11.5 | 19.7 | 11.6 | 16.1 | 17.0 |