Table 1.
Characteristics of participants tested for immunoglobulin class G (IgG) antibodies against SARS-CoV-2 (November 2020–September 2021).
| All (n = 1898) | Reported Past SARS-CoV-2 Infection n (%) 1112 (58.6%) |
No History of SARS-CoV-2 Infection n(%) 786 (41.4%) |
p-Value | |
|---|---|---|---|---|
| Age in years | ||||
| Median (IQR) | 46.0 (35.0–57.0) | 45.0 (33.0–55.0) | 47.0 (37.0–58.0) | <0.001 ‡ |
|
Gender,
n (%) |
||||
| Female | 770 (40.6) | 670 (60.2) | 456 (58.0) | 0.607 ¥ |
| Male | 1126 (59.3) | 441 (39.7) | 329 (41.9) | |
| Not Reported | 2 (0.1) | 1 (0.1) | 1 (0.1) | |
|
Place of residence,
n (%) |
||||
| Abroad | 78 (4.1) | 35 (3.2) | 43 (5.5) | |
| Ammochostos | 55 (2.9) | 31 (2.8) | 24 (3.1) | |
| Nicosia | 1413 (74.5) | 800 (71.9) | 613 (77.9) | <0.001 ¥ |
| Larnaca | 140 (7.4) | 79 (7.1) | 61 (7.8) | |
| Limassol | 150 (7.9) | 125 (11.2) | 25 (3.2) | |
| Paphos | 61 (3.1) | 41 (3.7) | 20 (2.5) | |
| Not Reported | 1 (0.1) | 1 (0.1) | 0 (0.0) | |
|
Nationality,
n (%) |
||||
| Cypriot | 1789 (94.3) | 1050 (94.4) | 739 (94.0) | 0.686 ¥ |
| Other | 104 (5.5) | 60 (5.4) | 44 (5.6) | |
| Not Reported | 5 (0.2) | 2 (0.2) | 3 (0.4) | |
|
HCW,
n (%) |
||||
| Yes | 314 (16.5) | 123 (11.1) | 191 (24.3) | <0.001 ¥ |
| No | 1584 (83.5) | 989 (88.9) | 595 (75.7) | |
|
Smoking,
n (%) |
||||
| Yes | 317 (16.7) | 158 (14.2) | 159 (20.2) | |
| No | 1571 (82.8) | 944 (84.9) | 627 (79.8) | <0.001 ¥ |
| No Answer | 10 (0.5) | 10 (0.9) | 0 (0.0) | |
HCW: Health-care workers; ‡ p-value of Mann–Whitney U test; ¥ p-value of chi-squared test.