Table 2

COVID-19 exposure, personal protective equipment (PPE) and HCW infection

No infection, n=1442 (70.69%)COVID-19 infection, n=598 (29.31%)Prevalence ratio
(95% CI)
Availability of PPE, n (row %)
 Half of the time or less143 (55.21)116 (44.79)REF
 Most of the time568 (70.12)242 (29.88)0.67 (0.56 to 0.79)
 All of the time731 (75.28)240 (24.72)0.55 (0.46 to 0.66)
Receipt of PPE training in past 6 months, n (row %)
 No322 (64.14)180 (35.86)REF
 Yes1120 (72.82)418 (27.18)0.76 (0.66 to 0.87)
No of COVID-19 patients treated in the past 6 months, n (row %)
 1–10 patients407 (75.79)130 (24.21)REF
 11–50 patients502 (70.60)209 (29.4)1.21 (1.01 to 1.47)
 51–100 patients234 (70.69)97 (29.31)1.21 (0.97 to 1.52)
 >100 patients197 (60.43)129 (39.57)1.63 (1.34 to 2.00)
Percentage of working hours put in close contact with COVID-19 patients, n (row %)
 Less than 25%529 (75.36)173 (24.64)REF
 25%–50% of the time312 (71.23)126 (28.77)1.17 (0.96 to 1.42)
 Over 50% of the time511 (65.18)273 (34.82)1.41 (1.20 to 1.66)
Present during an aerosolising procedure, n (row %)
 No559 (72.22)215 (27.78)REF
 Yes752 (69.63)328 (30.37)1.09 (0.95 to 1.26)
 Unsure88 (67.69)42 (32.31)1.16 (0.88 to 1.53)
  • HCWs, healthcare workers.