Independent variables | N (%) | Anti-SARS-CoV-2 positivity | Past infection | Recent infection | Univariate analysis | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No (%) | Yes (%) | p-value* | No (%) | Yes (%) | p-value* | No (%) | Yes (%) | p-value* | OR (95% CI) | p-value | ||
Overall | 343 (100) | 327 (95.3) | 16 (4.7) | 332 (96.8) | 11 (3.2) | 338 (98.5) | 5 (1.5) | |||||
Age groups | ||||||||||||
< 20y | 7 (2.0) | 6 (85.7) | 1 (14.3) | 0.443 | 6 (85.7) | 1 (14.3) | 0.206 | 7 (100) | 0 (0.0) | 0.933 | 4.58 (0.36–58.4) | 0.241 |
20–40y | 279 (81.3) | 266 (95.3) | 13 (4.7) | 270 (96.8) | 9 (3.2) | 275 (98.6) | 4 (1.1) | 1.34 (0.30–6.13) | 0.402 | |||
> 40y | 57 (16.6) | 55 (96.5) | 2 (3.5) | 56 (98.2) | 1 (1.8) | 56 (98.2) | 1 (1.8) | 1.00 | – | |||
Gender | ||||||||||||
Female | 24 (7.0) | 24 (100) | 0 (0.0) | 0.261 | 24 (100) | 0 (0.0) | 0.355 | 24 (100) | 0 (0.0) | 0.537 | 0 (0.0–0.0) | 0.998 |
Male | 319 (93.0) | 303 (95.0) | 16 (5.0) | 308 (96.6) | 11 (3.4) | 314 (98.4) | 5 (1.6) | 1.00 | – | |||
Residence area | ||||||||||||
Rural | 214 (62.4) | 202 (94.4) | 12 (5.6) | 0.286 | 206 (96.3) | 8 (3.7) | 0.472 | 210 (98.1) | 4 (1.9) | 0.413 | 1.86 (0.59–5.88) | 0.293 |
Urban | 129 (37.6) | 125 (96.9) | 4 (3.1) | 126 (97.7) | 3 (2.3) | 128 (99.2) | 1 (0.8) | 1.00 | – | |||
Educational level # | ||||||||||||
Low | 59 (23.2) | 53 (89.8) | 6 (10.2) | 0.163 | 57 (96.6) | 2 (3.4) | 0.685 | 55 (93.2) | 4 (6.8) | 0.002 | 1.00 | – |
High | 195 (76.8) | 185 (94.9) | 10 (5.1) | 186 (95.4) | 9 (4.6) | 194 (99.5) | 1 (0.5) | 0.48 (0.17–1.37) | 0.171 | |||
Occupation | ||||||||||||
Unemployed | 26 (7.6) | 24 (92.3) | 2 (7.7) | 0.446 | 24 (92.3) | 2 (7.7) | 0.177 | 26 (100) | 0 (0.0) | 0.519 | 1.00 | – |
Employed | 317 (92.4) | 303 (95.6) | 14 (4.4) | 308 (97.2) | 9 (2.8) | 312 (98.4) | 5 (1.6) | 0.55 (0.12–2.58) | 0.453 | |||
Donor category | ||||||||||||
Voluntary | 49 (14.3) | 48 (98.0) | 1 (2.0) | 0.347 | 49 (100) | 0 (0.0) | 0.169 | 48 (98.0) | 1 (2.0) | 0.713 | 0.39 (0.05–3.00) | 0.364 |
Family | 294 (85.7) | 279 (94.9) | 15 (5.1) | 283 (96.3) | 11 (3.7) | 290 (98.6) | 4 (1.4) | 1.00 | – |