Table 1.
Demographic characteristics in different groups of participants
| Characteristic | Symptomatic | Asymptomatic | ||
|---|---|---|---|---|
| PCR+ (N = 30) | PCR– (N = 100) | PCR+(N = 30) | PCR– (N = 100) | |
| Median age, years | 46.5 | 32 | 33.5 | 33 |
| Sex | ||||
| Male | 15 (50%) | 54 (54%) | 29 (96%) | 76 (76%) |
| Female | 15 (50%) | 46 (46%) | 1 (4%) | 24 (24%) |
| Population category | ||||
| Traveler | 0 (0%) | 0 (0%) | 19 (63.3%) | 27 (27%) |
| Student | 4 (13.3%) | 19 (19%) | 2 (6.7%) | 1 (1%) |
| Healthcare worker | 3 (10%) | 6 (6%) | 0 (0%) | 2 (2%) |
| General population | 23 (76.6%) | 75 (75%) | 9 (30%) | 70 (70%) |
| Symptom spectrum† | – | – | ||
| Fever alone | 1 (3.3%) | 13 (13%) | ||
| Fever+cough | 4 (13.3%) | 7 (7%) | ||
| Fever+headache | 0 (0%) | 5 (5%) | ||
| Fever+cough+headache | 5 (16.7%) | 10 (10%) | ||
| Symptoms without fever | 7 (23.3%) | 35 (35%) | ||
| History of contact | 15 (50%) | 43 (43%) | 7 (23.3%) | 3 (3%) |
| History of regular use of mask | 27 (90%) | 89 (89%) | 24 (80%) | 97 (97%) |
†
Other symptoms not mentioned include sore throat, shortness of breath, diarrhea, loss of taste and/or smell, generalized weakness