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Table 2 Association between occupational, exposure and social behavior factors and SARS-CoV-2 infection among HCW

From: A case–control study of factors associated with SARS-CoV-2 infection among healthcare workers in Colombia

Characteristics Negative RT-PCR n = 113 Positive RT-PCR n = 110 Unadjusted OR (95% CI) P value
Occupation, n (%)
Nursing Assistant 31 (27.43) 38 (34.55) Ref.  
Nurse 18 (15.93) 19 (17.27) 0.86 (0.39–1.91) 0.71
Physician 25 (22.12) 18 (16.36) 0.58 (0.27–1.27) 0.17
Other healthcare professionalsa 12 (10.62) 10 (9.09) 0.68 (0.26–1.78) 0.43
Technicians 12 (10.62) 15 (13.64) 1.01 (0.42–2.49) 0.96
Administrative Staff 15 (13.27) 10 (9.09) 0.54 (0.21–1.37) 0.19
Workplace risk area, n (%)
Worked in a COVID-19 zone (yes) 47 (41.59) 52 (47.27) 1.25 (0.74–2.13) 0.39
Worked in a high-risk area (yes) 54 (47.79) 70 (63.64) 1.91 (1.12–3.27) 0.02
Night shifts, n (%)
No 61 (53.98) 42 (38.18) Ref.  
Yes 52 (46.02) 68 (61.82) 1.89 (1.11–3.23) 0.02
Face-to-face contact with a positive case, n (%)
No contact 29 (25.66) 29 (26.36) Ref.  
Yes, family or work colleagues 42 (37.16) 22 (20) 0.52 (0.25–1.09) 0.08
Yes, patients 42 (37.17) 59 (53.64) 1.40 (0.73–2.69) 0.30
Shared spaces at work, n (%)
Cafeteria (yes) 42 (37.17) 38 (34.55) 0.89 (0.52–1.54) 0.68
Resting places (yes) 14 (12.39) 22 (20) 1.77 (0.85–3.66) 0.13
Means of transportation to work, n (%)
None or private 84 (74.34) 77 (70) Ref.  
Taxi, Ridesharing, Public transportation 29 (25.66) 33 (30) 1.24 (0.69–2.23) 0.47
Outings besides work, n (%)
To the bank (yes) 14 (12.39) 23 (20.91) 1.87 (0.91–3.86) 0.09
To the supermarket/store (yes) 81 (71.68) 66 (69.09) 0.59 (0.34–1.03) 0.07
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