Variable | No. (%) of participants | p value | |
---|---|---|---|
SARS-CoV-2 serology positive n = 57* | SARS-CoV-2 serology negative n = 1005* | ||
Symptomatic contacts in the household | 7/53 (13.2) | 25/971 (2.6) | < 0.001 |
Provided direct care to patients with COVID-19 | 27 (47.4) | 412/995 (41.4) | 0.5 |
Unprotected occupational exposure to a patient with COVID-19† | 8/27 (29.6) | 33/411 (8.0) | < 0.001 |
Worked on a unit with a COVID-19 outbreak | 5 (8.8) | 115/996 (11.5) | 0.7 |
Contacted by public health to indicate exposure | 9 (15.8) | 54/985 (5.5) | 0.003 |
Known positive PCR test at baseline | 31 (54.4) | 9 (0.9) | < 0.001 |