Table 2.
Proportion of experienced symptoms stratified according to serostatus, sex and age
| Men (n = 4068) | Women (n = 5643) | |||||
|---|---|---|---|---|---|---|
| Seronegative (n = 3365) | Seropositive (n = 703) | Total | Seronegative (n = 4629) | Seropositive (n = 1014) | Total | |
| Elevated body temperature | ||||||
| 18–59 years | 31.9 | 57.6 | 36.2 | 43.1 | 61.8 | 46.4 |
| ≥60 years | 24.1 | 58.4 | 30.4 | 32.9 | 54.0 | 36.9 |
| Total | 29.2 | 57.9 | 34.2 | 40.5 | 59.7 | 43.9 |
| Fever | ||||||
| 18–59 years | 23.6 | 48.3 | 27.7 | 28.0 | 48.0 | 31.5 |
| ≥60 years | 14.9 | 54.6 | 22.2 | 23.7 | 49.6 | 28.6 |
| Total | 20.6 | 50.6 | 25.8 | 26.9 | 48.4 | 30.8 |
| Cold shivers | ||||||
| 18–59 years | 37.0 | 51.7 | 39.4 | 43.5 | 54.2 | 45.4 |
| ≥60 years | 23.8 | 44.7 | 27.6 | 34.1 | 48.9 | 36.9 |
| Total | 32.4 | 49.1 | 35.3 | 41.1 | 52.8 | 43.2 |
| General malaise | ||||||
| 18–59 years | 41.3 | 60.1 | 44.5 | 52.7 | 69.6 | 55.7 |
| ≥60 years | 33.9 | 67.6 | 40.1 | 48.5 | 73.9 | 53.3 |
| Total | 38.8 | 62.9 | 42.9 | 51.6 | 70.8 | 55.1 |
| Coughing | ||||||
| 18–59 years | 60.1 | 64.4 | 60.8 | 62.9 | 65.6 | 63.4 |
| ≥60 years | 46.3 | 56.5 | 48.1 | 51.1 | 59.1 | 52.6 |
| Total | 55.3 | 61.5 | 56.4 | 59.9 | 63.8 | 60.6 |
| Sore throat | ||||||
| 18–59 years | 59.0 | 56.7 | 58.6 | 69.7 | 66.5 | 69.1 |
| ≥60 years | 39.0 | 43.5 | 39.8 | 48.8 | 52.9 | 49.6 |
| Total | 52.1 | 51.8 | 52.0 | 64.3 | 62.8 | 64.1 |
| Runny nose | ||||||
| 18–59 years | 64.4 | 60.5 | 63.7 | 67.1 | 63.8 | 66.5 |
| ≥60 years | 51.2 | 47.7 | 50.5 | 49.9 | 52.5 | 50.4 |
| Total | 59.8 | 55.8 | 59.1 | 62.7 | 60.7 | 62.3 |
| Shortness of breath | ||||||
| 18–59 years | 31.0 | 43.1 | 33.0 | 37.3 | 46.9 | 39.0 |
| ≥60 years | 23.7 | 37.4 | 26.2 | 30.4 | 35.9 | 31.4 |
| Total | 28.4 | 41.0 | 30.6 | 35.6 | 43.9 | 37.1 |
| Pain when breathing | ||||||
| 18–59 years | 14.0 | 20.2 | 15.1 | 20.6 | 24.9 | 21.3 |
| ≥60 years | 9.4 | 15.3 | 10.4 | 16.9 | 24.3 | 18.3 |
| Total | 12.4 | 18.3 | 13.4 | 19.6 | 24.8 | 20.6 |
| Fatigue | ||||||
| 18–59 years | 51.4 | 69.4 | 54.4 | 64.8 | 80.5 | 67.6 |
| ≥60 years | 37.4 | 69.5 | 43.3 | 51.4 | 75.4 | 55.9 |
| Total | 46.6 | 69.4 | 50.5 | 61.4 | 79.1 | 64.5 |
| Myalgia | ||||||
| 18–59 years | 40.6 | 49.4 | 42.1 | 44.2 | 58.3 | 46.7 |
| ≥60 years | 28.5 | 51.1 | 32.7 | 35.4 | 51.4 | 38.4 |
| Total | 36.4 | 50.1 | 38.8 | 41.9 | 56.4 | 44.5 |
| Headache | ||||||
| 18–59 years | 52.5 | 63.5 | 54.3 | 68.8 | 73.8 | 69.7 |
| ≥60 years | 30.3 | 49.2 | 33.8 | 47.3 | 60.9 | 49.8 |
| Total | 44.8 | 58.2 | 47.1 | 63.3 | 70.3 | 64.6 |
| Stomach ache | ||||||
| 18–59 years | 18.3 | 17.7 | 18.2 | 24.8 | 22.9 | 24.5 |
| ≥60 years | 11.0 | 15.3 | 11.8 | 18.3 | 26.8 | 19.9 |
| Total | 15.8 | 16.8 | 16.0 | 23.2 | 24.0 | 23.3 |
| Diarrhoea | ||||||
| 18–59 years | 28.2 | 26.8 | 28.0 | 28.4 | 28.7 | 28.5 |
| ≥60 years | 20.3 | 23.7 | 21.0 | 25.8 | 32.2 | 27.0 |
| Total | 25.5 | 25.6 | 25.5 | 27.8 | 29.7 | 28.1 |
| Nausea | ||||||
| 18–59 years | 18.2 | 20.6 | 18.6 | 26.9 | 24.3 | 26.4 |
| ≥60 years | 12.3 | 18.3 | 13.4 | 21.4 | 33.7 | 23.7 |
| Total | 16.2 | 19.8 | 16.8 | 25.5 | 26.8 | 25.7 |
| Vomiting | ||||||
| 18–59 years | 7.6 | 8.6 | 7.8 | 10.6 | 8.9 | 10.3 |
| ≥60 years | 4.6 | 3.8 | 4.5 | 9.0 | 9.4 | 9.1 |
| Total | 6.6 | 6.8 | 6.6 | 10.2 | 9.1 | 10.0 |
| Loss of appetite | ||||||
| 18–59 years | 18.1 | 39.0 | 21.6 | 28.5 | 50.5 | 32.4 |
| ≥60 years | 14.5 | 46.9 | 20.5 | 28.8 | 59.8 | 34.7 |
| Total | 16.9 | 42.0 | 21.2 | 28.6 | 53.1 | 33.0 |
| Dizziness | ||||||
| 18–59 years | 20.0 | 20.2 | 20.0 | 27.9 | 30.6 | 28.3 |
| ≥60 years | 16.4 | 19.8 | 17.0 | 23.0 | 32.6 | 24.8 |
| Total | 18.7 | 21.1 | 19.0 | 26.6 | 31.2 | 27.4 |
| Irritability | ||||||
| 18–59 years | 13.9 | 19.5 | 14.8 | 16.5 | 19.4 | 17.0 |
| ≥60 years | 11.4 | 18.3 | 12.7 | 11.4 | 15.2 | 12.1 |
| Total | 13.0 | 19.1 | 14.1 | 15.2 | 18.2 | 15.7 |
| Eye pain | ||||||
| 18–59 years | 10.4 | 11.8 | 10.6 | 12.2 | 14.5 | 12.6 |
| ≥60 years | 8.4 | 6.5 | 8.1 | 13.8 | 13.8 | 13.8 |
| Total | 9.7 | 9.8 | 9.7 | 12.6 | 14.3 | 12.9 |
| Skin abnormalities | ||||||
| 18–59 years | 3.9 | 4.3 | 3.9 | 5.5 | 8.0 | 5.9 |
| ≥60 years | 5.1 | 5.3 | 5.1 | 6.0 | 5.8 | 5.9 |
| Total | 4.3 | 4.7 | 4.4 | 5.6 | 7.4 | 5.9 |
| Loss of taste | ||||||
| 18–59 years | 10.2 | 51.9 | 17.2 | 12.1 | 58.0 | 20.2 |
| ≥60 years | 7.0 | 42.4 | 13.5 | 13.9 | 49.6 | 20.6 |
| Total | 9.1 | 48.4 | 15.9 | 12.6 | 55.7 | 20.3 |
| Loss of smell | ||||||
| 18–59 years | 9.0 | 51.9 | 16.2 | 11.7 | 56.8 | 19.6 |
| ≥60 years | 7.2 | 38.9 | 13.0 | 11.7 | 47.5 | 18.5 |
| Total | 8.4 | 47.1 | 15.1 | 11.7 | 54.2 | 19.3 |
| No symptom experienced | ||||||
| 18–59 years | 11.2 | 3.6 | 9.9 | 6.9 | 2.2 | 6.1 |
| ≥60 years | 22.4 | 6.9 | 19.6 | 17.9 | 4.0 | 15.3 |
| Total | 15.1 | 4.8 | 13.3 | 9.8 | 2.7 | 8.5 |