Table 2.
Anamnestic characteristics of polish healthcare professionals and students responding to COVID-19 VBH survey, December 2021–January 2022 (n = 443).
| Variable | Outcome |
Professionals (n = 233) |
Students (n = 210) |
Total (n = 443) |
Sig. |
|---|---|---|---|---|---|
| Prior COVID-19 infection | Yes† | 72 (30.9%) | 69 (32.9%) | 141 (31.8%) | 0.659 |
| No | 161 (69.1%) | 141 (67.1%) | 302 (68.2%) | ||
| Onset† | Before 1st dose | 50 (69.4%) | 53 (76.8%) | 103 (73%) | Reference |
| Between 1/2 doses | 2 (2.8%) | 4 (5.8%) | 6 (4.3%) | 0.475 | |
| After 2nd dose | 20 (27.8%) | 12 (17.4%) | 32 (22.7%) | 0.170 | |
| Severity† | Asymptomatic | 2 (2.8%) | 2 (2.9%) | 4 (2.8%) | Reference |
| Mild | 49 (68.1%) | 44 (63.8%) | 93 (66%) | 0.916 | |
| Moderate | 19 (26.4%) | 22 (31.9%) | 41 (29.1%) | 0.889 | |
| Severe | 2 (2.8%) | 1 (1.4%) | 3 (2.1%) | 0.661 | |
| COVID-19 vaccination | Yes ‡ | 214 (91.8%) | 201 (95.7%) | 415 (93.7%) | 0.095 |
| No | 19 (8.2%) | 9 (4.3%) | 28 (6.3%) | ||
| Vaccine type‡ | Pfizer-BioNTech | 191 (89.3%) | 134 (66.7%) | 325 (78.3%) | <0.001 |
| Moderna | 9 (4.2%) | 11 (5.5%) | 20 (4.8%) | 0.547 | |
| AstraZeneca-Oxford | 8 (3.7%) | 46 (22.9%) | 54 (13%) | <0.001 | |
| Janssen | 6 (2.8%) | 10 (5%) | 16 (3.9%) | 0.251 | |
| Number of doses‡ | One dose | 8 (3.7%) | 10 (5%) | 18 (4.3%) | 0.536 |
| Two doses | 37 (17.3%) | 53 (26.4%) | 90 (21.7%) | 0.025 | |
| Three doses | 169 (79%) | 138 (68.7%) | 307 (74%) | 0.017 | |
| Booster recipient | Yes | 169 (72.5%) | 138 (65.7%) | 307 (69.3%) | 0.120 |
| No | 64 (27.5%) | 72 (34.3%) | 136 (30.7%) | ||
| Hospital admission‡ | Yes | 11 (5.1%) | 3 (1.5%) | 14 (3.4%) | 0.040 |
| No | 203 (94.9%) | 198 (98.5%) | 401 (96.6%) | ||
| Medical care‡ | Yes | 11 (5.1%) | 7 (3.5%) | 18 (4.3%) | 0.407 |
| No | 203 (94.9%) | 194 (96.5%) | 397 (95.7%) |
Logistic regression and Chi-squared test (χ2) had been used with a significance level (Sig.) <0.05.
†
Refers to the previously infected participants.
‡
Refers to the previously vaccinated participants.
Bold values - statistically significant with p <0.05.