Observational Study
Copyright ©The Author(s) 2023.
World J Virol. Mar 25, 2023; 12(2): 122-131
Published online Mar 25, 2023. doi: 10.5501/wjv.v12.i2.122
Table 2 Comparison of risk-factors among infected and non-infected healthcare workers, n (%)

Uninfected HCWs, n = 1282
Infected HCWs, n = 346
P value
Accommodation
Hospital sponsored381 (29.7)89 (25.9)0.15
Self-owned901 (70.3)257 (74.1)(χ2 statistic value, 2.12)
Work profile
Frontline 689 (53.7)278 (80.4)< 0.001
Non-frontline593 (46.3)67(19.6)(χ2 statistic value, 81.19)
COVID-19 vaccination
Vaccinated1198 (93.2)58 (16.8) < 0.001
Unvaccinated88 (6.8)287 (83.2)(χ2 statistic value, 895.49)
Sex
Male511 (39.9)187 (54.0)< 0.001
Female771 (60.1)159 (46.0)(χ2 statistic value, 22.38)