Table 1.
Comparison of Characteristics of Enrolled Participants by SARS-CoV-2 Serology Result
| Characteristic | SARS-CoV-2 Serology | ||
|---|---|---|---|
| Positive (n=27) | Negative (n=1935) | P Value | |
| Mean age, y | 37.4 (range, 21–64; SD, 13.0) | 37.3 (range, 19–75; SD, 11.4) | .962 |
| Sex, female, no. (%) | 19 (70.4) | 1,497 (77.4) | .923 |
| Median No. household members, no. | 2.59 (range, 1–6; SD, 1.34) | 2.74 (range, 0–9; SD, 1.37) | .666 |
| Age of household members, no. (%)a | |||
| 0–5 y | 6 (22.2) | 392 (20.2) | .799 |
| 6–12 y | 5 (18.5) | 337 (17.4) | .879 |
| 13–18 y | 2 (7.4) | 243 (12.6) | .422 |
| 19–65 y | 19 (70.4) | 1491 (77.0) | .415 |
| >65 y | 0 (0) | 68 (3.5) | .321 |
| Mean healthcare experience, y | 12.0 (range, 1–43; SD, 12.6) | 11.1 (range, 0–50; SD, 10.2) | .637 |
| Clinical role, no. (%) | .908 | ||
| Care partner | 2 (7.4) | 84 (4.3) | |
| Nurse | 13 (48.1) | 924 (47.8) | |
| Physician | 7 (25.9) | 483 (25.0) | |
| Advanced practice provider | 2 (7.4) | 139 (7.2) | |
| Respiratory therapist | 0 (0) | 25 (1.3) | |
| Otherb,c | 3 (11.1) | 280 (14.2) | |
| Provided direct care to COVID-19 patient, no. (%) | 22 (81.5) | 1,338 (69.1) | .168 |
| How many COVID-19 patients cared for, no. (%) | .355 | ||
| 1–9 patients | 14 (51.2) | 850 (43.9) | |
| 10–19 patients | 2 (7.4) | 203 (10.5) | |
| >20 patients | 6 (22.2) | 607 (31.4) | |
| COVID-19 exposure at work, no. (%) | 19 (70.4) | 1,255 (64.5) | .551 |
| Was appropriate PPE worn during work exposure, no. (%) | 10 (76.9) | 656 (71.4) | .665 |
| Reported illness of fever, cough and/or SOB since Feb. 2020, no. (%) | 12 (44.4) | 396 (20.5) | .020 |
| Had a negative SARS-CoV-2 PCR test, no. (%) | 4 (14.8) | 545 (28.1) | .125 |
| Believe they had a COVID-19 infection, no. (%) | 9 (33.3) | 183 (9.5) | <.001 |
| Exposure outside work, no. (%) | 3 (11.1) | 101 (5.2) | .175 |
| Travel outside US after Jan 2020, no. (%) | 1 (3.4) | 26 (1.3) | .325 |
| Maintain social distancing outside of work, no. (%) | .259 | ||
| Always | 14 (51.2) | 700 (36.2) | |
| Frequently | 12 (44.4) | 1,205 (62.3) | |
| Rarely | 1 (3.7) | 29 (1.5) | |
| Never | 0 (1) | 1 (0.1) | |
Note. SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; SD, standard deviation; COVID-19, coronavirus disease 2019; PPE, personal protective equipment; SOB, shortness of breath; PCR, polymerase chain reaction.
This variable has multiple answer options that are not mutually exclusive.
Other clinical roles included: social worker, dietician, chaplain, transporter, case manager/navigator, radiology technician, clinical technician, emergency medical technician, clinical research role, registration and admitting, lactation consultant, audiologist, child life specialist, clinical pharmacist, other therapists and police/security.
The other healthcare workers who tested positive by serology included: 1 clinical pharmacist, 1 case manager and 1 therapist (nonrespiratory).