| |
176
|
30 (17)
|
146 (83)
| |
|
Demographics
| | | | |
|
Age, mean (SD)
|
45 (11)
|
42 (12)
|
46 (11)
|
.121
|
|
Gender, female n (%)
|
136/175 (78)
|
22 (73)
|
114 (79)
|
.630
|
|
Community exposure
| | | | |
|
Transportation
|
163
| | |
.802
|
|
Private (include biking)
|
130
|
22 (77)
|
108 (80)
| |
|
Public
|
33
|
6 (21)
|
27 (20)
| |
|
No. of household member, med (IQR)
|
3 (1–4)
|
3 (1–4)
|
3 (1–4)
| |
|
Close contact in the community with a person positive for SARS-CoV-2 within the prior 20 days
|
29/162 (18)
|
8 (28)
|
21 (16)
|
.179
|
|
Occupational exposure
| | | | |
|
Healthcare workers
|
141 (80)
|
25 (83)
|
116 (79)
|
.803
|
|
Professional category
| | | | |
|
Nurses
|
48
|
7 (23)
|
41 (28)
| |
|
Physicians
|
9
|
5 (17)
|
4 (3)
| |
|
Nursing assistants
|
61
|
11 (37)
|
50 (34)
| |
|
Allied health professional
|
23
|
2 (7)
|
21 (14)
| |
|
Office workers
|
7
|
2 (7)
|
5 (3)
| |
|
Hospital cleaners
|
28
|
3 (10)
|
25 (17)
| |
|
Work rate (%)
|
169
| | |
.300
|
|
≤ 80
|
78 (46)
|
10 (36)
|
68 (48)
| |
|
> 80
|
91 (54)
|
18 (64)
|
73 (52)
| |
|
Close contact with a patient positive for SARS-CoV-2 (< 1 m) within the prior 20 days
|
131/169 (78)
|
27 (90)
|
104 (75)
|
.091
|
|
Close contact with a healthcare worker positive for SARS-CoV-2 (< 1 m) within the prior 20 days
|
127/166 (77)
|
23 (79)
|
104 (76)
|
.812
|
|
Aerosol-generating procedures within the prior 20 days
|
28/133 (21)
|
4 (16)
|
24 (22)
|
.595
|
|
Flat sharing with another healthcare worker
|
9/161 (6)
|
0
|
9 (7)
|
.365
|
|
Eating at the hospital cafeteria
|
124/170 (73)
|
21 (72)
|
103 (73)
|
1
|
|
Carpooling with healthcare workers
|
26/160 (16)
|
2 (7)
|
24 (18)
|
.257
|
|
IPCb measures
| | | | |
|
In case of contact with COVID-19–positive patients
| | | | |
|
Use of a respirator (FFP2/N95)
|
14/163 (9)
|
2 (7)
|
12 (9)
|
1
|
|
Use of a surgical mask
|
117/169 (69)
|
25 (83)
|
92 (66)
|
.081
|
|
Clinical data
| | | | |
|
Presence of symptoms within the prior 20 day
|
127/167 (76)
|
27 (93)
|
100 (73)
|
.017
|
|
Cough
|
40/164 (24)
|
14 (48)
|
26 (19)
| |
|
Fever
|
36/163 (22)
|
15 (52)
|
21 (16)
| |
|
Headache
|
85/164 (52)
|
21 (72)
|
64 (47)
| |
|
Cold
|
55/164 (34)
|
11 (38)
|
44 (33)
| |
|
Sore throat
|
59/164 (36)
|
10 (34)
|
49 (36)
| |
|
Myalgia
|
56/163 (34)
|
15 (52)
|
41 (31)
| |
|
Underwent PCR testingc
|
56/138 (41)
|
17 (61)
|
39 (36)
|
.018
|
|
Positive
|
15/21 (71)
|
13 (81)
|
2 (40)
| |
|
Requiring hospitalization
|
1/10 (10)
|
1 (10)
|
0
| |
