Table 1 Socio-demographics of participants enrolled in the study
Characteristics | Pre-pandemic period N (%) | Pandemic period N (%) |
|---|---|---|
Number | 323 | 368 |
Sex | Â | Â |
 Female | 164 (50.8) | 176 (47.8) |
 Male | 157 (48.6) | 188 (51.1) |
 Missing | 2 (0.6) | 4 (1.1) |
Age (in years) | Â | Â |
 3 | 217 (67.2) | 147 (39.9) |
 4 | 106 (32.8) | 221 (60.1) |
Study Region | Â | Â |
 Braunschweig | 147 (45.5) | 144 (39.1) |
 Hannover | 73 (22.6) | 77 (20.9) |
 Halle (Saale) | 17 (5.3) | 45 (12.2) |
 Munich | 40 (12.4) | 48 (13.0) |
 Bremen | 45 (13.9) | 51 (13.9) |
 Other | 1 (0.3) | 3 (0.8) |
Number of persons in household | Â | Â |
 2 | 5 (1.5) | 2 (0.5) |
 3 | 129 (39.9) | 152 (41.3) |
 4 | 138 (42.7) | 159 (43.2) |
 5 | 41 (12.7) | 43 (11.7) |
 ≥ 6 | 6 (1.9) | 7 (1.9) |
 Missing | 4 (1.2) | 5 (1.4) |
Socio economic status* | Â | Â |
 Low | 2 (0.6) | 2 (0.5) |
 Middle | 23 (7.1) | 30 (8.2) |
 High | 293 (90.7) | 330 (89.7) |
 Missing | 5 (1.5) | 6 (1.6) |
Total of submitted symptomatic nasal swabs | 457 | 261 |