Table 1. .
Baseline Demographics and Clinical Characteristics of the Cohort, Stratified by Subsequent Hospitalization
| Characteristic | Total | Subsequently Hospitalized | |
|---|---|---|---|
| Male sex, No./total No. (%) | 50/118 (42.4) | 4/9 (44.4) | |
| Age, median (IQR), y | 56.0 (50.0–63.0) | 65.0 (54.0–69.0) | |
| Race, No. (%) | |||
| White | 56 (47.5) | 7 (77.8) | |
| Black | 46 (39.0) | 1 (11.1) | |
| Other | 8 (6.8) | 0 (0.0) | |
| Asian | 6 (5.1) | 1 (11.1) | |
| Native American | 1 (0.8) | 0 (0.0) | |
| Native Hawaiian or other Pacific Islander | 1 (0.8) | 0 (0.0) | |
| Ethnicity, No. (%) | Hispanic | 18 (15.3) | 3 (33.3) |
| Charlson Comorbidity Index, median (IQR) | 2 (1–3) | 2 (1–3) | |
| Coexisting disorder, No. (%) | |||
| Hypertension | 46 (39.0) | 6 (66.7) | |
| Current or history of tobacco use | 27 (26.0) | 3 (33.3) | |
| Diabetes | 19 (16.1) | 3 (33.3) | |
| Asthma or COPD | 18 (15.3) | 2 (22.2) | |
| Solid tumor malignancy | 18 (15.3) | 1 (11.1) | |
| HIV | 7 (6.6) | 0 (0.0) | |
| Hematologic malignancy | 6 (5.1) | 0 (0.0) | |
| CKD stage 3 or 4 | 4 (3.4) | 0 (0.0) | |
| History of myocardial infarction | 2 (1.7) | 1 (11.1) | |
| Employment, No. (%) | |||
| Health care setting | |||
| Hospital | 15 (12.7) | 0 (0.0) | |
| Skilled nursing facilities, long-term care facility, or nursing home | 9 (7.6) | 0 (0.0) | |
| Clinic | 3 (2.5) | 0 (0.0) | |
| Other | 3 (2.5) | 0 (0.0) | |
| Home health | 2 (1.7) | 0 (0.0) | |
| Prison or jail | 1 (0.8) | 1 (11.1) | |
| Essential workera, no. (%) | 21 (20.6) | 1 (14.3) | |
| Body mass index, median (IQR), kg/m2 | 30.0 (26.0–36.0) | 31.0 (29.0–36.0) | |
| Duration of symptoms at enrollment among participants with symptoms (nb = 95), median (IQR), d | 5.0 (3.0–10.0) | 3.0 (2.0–7.0) | |
| Duration of symptoms until initial vital sign among participants with symptoms (nb = 89), median (IQR), d | 8.0 (3.0–13.0) | 5.0 (3.0–11.0) | |
| Initial vital sign parameters (nb = 96), | |||
| Resting oxygen saturation (IQR), % | 98.0 (96.0–98.5) | 95.0 (90.0–97.0) | |
| Ambulatory oxygen saturation (IQR), % | 97.0 (95.0–98.0) | 95.0 (88.0–96.0) | |
| Heart rate (IQR), beats per minutes | 85.0 (74.0–91.0) | 85.0 (73.0–94.0) | |
| Highest temperature (IQR), °Fahrenheit | 98.3 (97.6–98.8) | 98.4 (97.9–100.2) |
Abbreviations: CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; IQR, interquartile range.
aEssential workers outside of a health care setting.
bParticipants with data available out of the cohort of 118 participants. Missingness for duration of symptoms was due to lack of symptoms (n = 5) or incomplete/unknown dates (n = 18).