Demographics of all patients who tested positive for COVID-19, survey responders, survey enrolled non-responders and non-enrolled patients at Emory Healthcare from 10 July 2020 to 2 January 2021
| Characteristics | Total cohort N=6822 | Responders to survey N=1230 | Enrolled non-responders to survey N=2204 | Declined enrolment in surveys N=3388 |
| Age (years) | 51.6±18.1 | 49.4±15.7 | 52.9±18.0 | 51.7±18.9 |
| Gender | ||||
| Male | 2911 (42.7) | 427 (34.7) | 990 (44.9) | 1494 (44.1) |
| Female | 3911 (57.3) | 803 (65.3) | 1214 (55.1) | 1894 (55.9) |
| Race | ||||
| White | 2297 (33.7) | 493 (40.1) | 720 (32.7) | 1084 (32.0) |
| Black | 3307 (48.5) | 500 (40.7) | 1085 (49.2) | 1722 (50.8) |
| Multiple/others | 338 (5.0) | 60 (4.9) | 131 (5.9) | 147 (4.3) |
| Unknown | 880 (12.9) | 177 (14.4) | 268 (12.2) | 435 (12.8) |
| System primary care physician | 3082 (45.2) | 749 (60.9) | 1095 (49.7) | 1238 (36.5) |
| Emergency use authorisation criteria for monoclonal antibody infusion | ||||
| Age >65 | 1710 (25.1) | 222 (18.0) | 605 (27.5) | 883 (26.1) |
| Body mass index >30 | 3986 (58.4) | 721 (58.6) | 1307 (59.3) | 1958 (57.8) |
| Diabetes mellitus | 1840 (27.0) | 251 (20.4) | 653 (29.6) | 936 (27.6) |
| Cardiac disease | 3674 (53.9) | 586 (47.6) | 1281 (58.1) | 1807 (53.3) |
| Lung disease | 1593 (23.4) | 234 (19.0) | 562 (25.5) | 797 (23.5) |
| Virtual engagement type | ||||
| No virtual engagement | 5210 (76.4) | N/A | 1914 (86.8) | 3296 (97.3) |
| Telemedicine only | 382 (5.6) | N/A | 290 (13.2) | 92 (2.7) |
| Survey only | 1020 (15.0) | 1020 (82.9) | N/A | N/A |
| Telemedicine and survey | 210 (3.1) | 210 (17.1) | N/A | N/A |
| Survey enrolment approach | ||||
| Nurse result follow-up | 3034 (44.5) | 1127 (94.9) | 1907 (86.5) | 3388 (100.0) |
| Phone outreach | 298 (4.4) | 56 (4.7) | 242 (11.0) | N/A |
| Patient online portal | 60 (0.9) | 5 (0.4) | 55 (2.5) | N/A |
| Average number of surveys completed | 4.28±4.97 | 4.28±4.97 | N/A | N/A |
| Median number of days between surveys | 1.00 (0.96–1.09) | 1.00 (0.96–1.09) | N/A | N/A |
| Outcome event | ||||
| No outcome event | 4616 (67.7) | 1154 (93.8) | 1249 (56.7) | 2213 (65.3) |
| Emergency department visit | 213 (3.1) | 19 (1.5) | 59 (2.7) | 135 (4.0) |
| Hospital admission | 1393 (20.4) | 50 (4.1) | 651 (29.5) | 692 (20.4) |
| Intensive care unit care | 600 (8.8) | 7 (0.6) | 245 (11.1) | 348 (10.3) |
Values are mean±SD deviation, number (percent) and median (IQR).
All p values comparing responders and non-responders were <0.001.