Table 2. Distribution of factors associated with COVID-19 breakthrough infections in HCWs (N=279)***.
Characteristic | Total (N=279) | Breakthrough infections (n=37) | Unadjusted odds 95% CI | p-Value |
Vaccine type | ||||
BBV152 | 154 (55.2%) | 24 (15.6%) | 1.5 (0.77, 3.3) | 0.219 |
AZD1222 | 125 (44.8%) | 13 (10.4%) | 1 | |
Age (years) | ||||
<35 | 215 (77.1%) | 31 (14.4%) | 1 | 0.401 |
≥35 | 64 (22.9%) | 6 (9.4%) | 0.61 (0.24, 1.5) | |
Sex | ||||
Male | 178 (63.8%) | 27 (15.2%) | 1 | 0.271 |
Female | 101 (36.2%) | 10 (9.9%) | 1.6 (0.7, 3.5) | |
HCW type | ||||
Doctor | 217 (77.8%) | 32 (14.7%) | 1 | 0.206 |
Other | 62 (22.2%) | 5 (8.1%) | 0.5 (0.19, 1.4) | |
History of COVID-19 infection* | ||||
Present | 40 (14.3%) | 3 (7.5%) | 0.49 (0.14, 1.7) | 0.319 |
Absent | 239 (85.7%) | 34 (14.2%) | 1 | |
Masking adherence** | ||||
Always | 190 (68.1%) | 26 (13.7%) | 1 | 0.851 |
Mostly/other | 89 (31.9%) | 11 (12.4%) | 0.89 (0.42, 1.9) | |
Social distancing adherence** | ||||
Always | 172 (61.6%) | 21 (12.2%) | 1 | 0.315 |
Mostly/other | 107 (38.4%) | 16 (15.0%) | 1.3 (0.63, 2.5) |