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Table 1 Clinical and demographic characteristics of LTCF employees participating in the seroprevalence study

From: Occupational and community risk of SARS-CoV-2 infection among employees of a long-term care facility: an observational study

 

All participants, no (%)

Seropositive, no (%)

Seronegative, no (%)

P valuea

 

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

 
  1. aFisher’s exact test
  2. bInfection prevention and control
  3. cSelf-reported