Table 2.
Odds Ratios of Testing Positive for SARS-CoV-2 PCR Test by Univariate Analysis of HCP Role, Contact History, and Symptomsa
| Tested positive (N=624) n (%) | Tested negative (N=6391) n (%) | Unadjusted odds ratio (95% CI) | P | |
|---|---|---|---|---|
| Healthcare role | ||||
| Physician/APP | 36 (5.8) | 874 (13.7) | Ref | |
| Nurse/MA/therapist | 252 (40.4) | 2716 (42.5) | 2.25 (1.58-3.22) | <.001b |
| Other HCP not involved in direct patient care | 195 (31.3) | 1544 (24.2) | 3.07 (2.13-4.42) | <.001 |
| Other HCP involved in direct patient care | 86 (13.8) | 776 (12.1) | 2.69 (1.80-4.02) | <.001 |
| Medical/nursing trainee | 33 (5.3) | 328 (5.1) | 2.44 (1.50-3.98) | <.001 |
| Pharmacy | 22 (3.5) | 153 (2.4) | 3.49 (2.00-6.10) | <.001 |
| Work location | ||||
| Inpatient | 278 (44.6) | 2842 (44.5) | Ref | |
| Ambulatory | 261 (41.8) | 2935 (45.9) | 0.90 (0.76-1.08) | .290 |
| Home | 67 (10.7) | 444 (6.9) | 1.54 (1.16-2.05) | .003 |
| Affiliated health facility | 18 (2.9) | 170 (2.7) | 1.08 (0.66-1.79) | .757 |
| Reported contacts with | ||||
| Patient with known COVID-19 | 97 (15.5) | 853 (13.3) | 1.19 (0.95-1.50) | .13 |
| Patient with suspected COVID-19 | 61 (9.8) | 685 (10.7) | 0.90 (0.68-1.19) | .47 |
| Patient with respiratory illness | 77 (12.3) | 987 (15.4) | 0.77 (0.60-0.99) | .04 |
| Nonmasked health care visitor | 58 (9.3) | 821 (12.9) | 0.69 (0.53-0.92) | .01 |
| HCP with known COVID-19 | 69 (11.1) | 643 (10.1) | 1.11 (0.85-1.44) | .43 |
| HCP with suspected COVID-19 | 24 (3.9) | 260 (4.1) | 0.94 (0.62-1.44) | .92 |
| HCP with respiratory illness | 16 (2.6) | 212 (3.3) | 0.77 (0.46-1.28) | .35 |
| Family/community member with known COVID-19 | 212 (34.0) | 635 (9.9) | 4.66 (3.88-5.61) | <.001 |
| Family/community member with suspected COVID-19 | 106 (17.0) | 517 (8.1) | 2.32 (1.85-2.92) | <.001 |
| Family/community member with respiratory illness | 72 (11.5) | 675 (10.6) | 1.10 (0.85-1.43) | .45 |
| Contact duration | ||||
| Not recalled or applicable | 245 (39.3) | 3286 (51.4) | Ref | |
| <10 min | 37 (5.9) | 667 (10.4) | 0.74 (0.52-1.06) | .103 |
| 10-20 min | 19 (3.0) | 326 (5.1) | 0.78 (0.48-1.26) | .315 |
| >20 min | 323 (51.8) | 2112 (33.0) | 2.05 (1.72-2.44) | <.001 |
| Symptoms | ||||
| Cough | 417 (66.8) | 2509 (39.3) | 3.10 (2.6-3.7) | <.001 |
| Chills | 234 (37.5) | 1211 (18.9) | 2.57 (2.2-3.1) | <.001 |
| Shortness of breath | 88 (14.1) | 776 (12.1) | 1.19 (0.94-1.51) | .16 |
| Chest tightness | 117 (18.8) | 1101 (17.2) | 1.11 (0.90-1.37) | .34 |
| Fever | 155 (24.8) | 632 (9.9) | 3.01 (2.47-3.68) | <.001 |
| Anosmia | 127 (20.3) | 304 (4.8) | 5.12 (4.08-6.42) | <.001 |
| Ageusia | 123 (19.7) | 276 (4.3) | 5.43 (4.32-6.85) | <.001 |
| Pharyngitis | 357 (57.2) | 4004 (62.7) | 0.80 (0.67-0.94) | .007 |
| Rhinorrhea | 310 (49.7) | 3034 (47.5) | 1.09 (0.93-1.29) | .29 |
| Nasal congestion | 417 (66.8) | 3698 (57.9) | 1.47 (1.23-1.75) | <.001 |
| Headache | 453 (72.6) | 3812 (59.7) | 1.79 (1.49-2.15) | <.001 |
| Fatigue | 246 (39.4) | 1780 (27.9) | 1.68 (1.42-1.99) | <.001 |
| Myalgia | 286 (45.8) | 1624 (25.4) | 2.48 (2.10-2.94) | <.001 |
| Nausea/vomiting | 77 (12.3) | 1095 (17.1) | 0.68 (0.53-0.87) | .002 |
| Diarrhea | 88 (14.1) | 809 (12.7) | 1.13 (0.89-1.44) | .30 |
APP, advanced practice provider; COVID-19, coronavirus disease 2019; HCP, health care personnel; MA, medical assistant; PCR, polymerase chain reaction; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
Bold values indicate statistically significant values.