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. 2021 Jun 22;63(10):577–584. doi: 10.11622/smedj.2021083

Table 4.

HCW contact log with COVID-19 patients by staff designation.

Variable No. (%) of episodes of contact

Allied health Ambulance Doctor Housekeeping Nurse Others Porter Security Total
Mask

 N95 310 (86) 23 (96) 607 (92) 242 (96) 3,594 (92) 5 (100) 13 (93) 165 (76) 4,959 (91)

 PAPR 43 (12) 0 (0) 35 (5) 5 (2) 231 (6) 0 (0) 0 (0) 24 (11) 338 (6)

 Surgical mask 8 (2) 1 (4) 16 (2) 6 (2) 72 (2) 0 (0) 1 (7) 29 (13) 133 (2)

PPE

 Gown 294 (34) 22 (17) 578 (17) 235 (18) 3,407 (17) 5 (17) 13 (19) 139 (16) 4,693 (17)

 Gloves 296 (35) 22 (17) 575 (17) 236 (18) 3,422 (17) 5 (17) 13 (19) 129 (15) 4,698 (17)

 Face shield 211 (25) 12 (9) 513 (15) 211 (16) 3,139 (15) 5 (17) 10 (15) 127 (14) 4,228 (15)

 Goggles 56 (7) 11 (8) 43 (1) 3 (0) 109 (1) 1 (3) 3 (4) 31 (3) 257 (1)

Contact time (min)

 <5 72 (24) 1 (5) 153 (25) 77 (32) 870 (25) 0 (0) 1 (11) 44 (31) 1,218 (25)

 5-10 70 (23) 2 (1) 221 (37) 57 (23) 1,093 (31) 0 (0) 1 (11) 35 (25) 1,479 (3)

 10-15 75 (25) 6 (29) 131 (22) 53 (22) 721 (2) 0 (0) 4 (44) 30 (21) 1,020 (21)

 15-20 43 (14) 7 (33) 44 (7) 36 (15) 344 (1) 0 (0) 2 (22) 17 (12) 493 (1)

 20-25 12 (4) 0 (0) 15 (2) 10 (4) 143 (4) 0 (0) 0 (0) 3 (2) 183 (4)

 25-30 8 (3) 2 (1) 18 (3) 3 (1) 118 (3) 1 (25) 1 (11) 9 (6) 160 (3)

 >30 26 (8) 3 (14) 22 (4) 8 (3) 247 (7) 3 (75) 0 (0) 3 (2) 312 (6)

Distance from patient

 Touched patient 174 (73) 2 (11) 338 (87) 75 (49) 2,337 (81) 0 (0) 3 (5) 58 (56) 2,987 (79)

 1 m away 36 (15) 11 (58) 28 (7) 35 (23) 311 (11) 5 (1) 0 (0) 30 (29) 456 (12)

 2 m away 9 (4) 3 (16) 13 (3) 22 (14) 53 (2) 0 (0) 1 (17) 7 (7) 108 (3)

 No contact but in the same room 21 (9) 3 (16) 10 (3) 21 (14) 179 (6) 0 (0) 2 (33) 8 (8) 244 (6)

Percentages were calculated using the count in each category within a stratum (e.g. respiratory mask type) divided by the total count in that stratum, expressed as a percentage, for each staff designation. ARI: acute respiratory infection, DEM: Department of Emergency Medicine, HCW: healthcare worker, PAPR: powered air-purifying respirator, PPE: personal protective equipment.