Table 1 Demographic and clinical characteristics of analysis cohort
From: Long COVID trajectories in the prospectively followed RECOVER-Adult US cohort
Characteristic | Level | Acute infected (n = 3280) | Crossover (n = 379) | Overall (n = 3659) |
|---|---|---|---|---|
Sex assigned at birth | Female | 2239 (69%) | 280 (74%) | 2519 (69%) |
Male | 1025 (31%) | 98 (26%) | 1123 (31%) | |
Intersex | 3 (0%) | 0 (0%) | 3 (0%) | |
Missing | 13 | 1 | 14 | |
Age at first infection [years] | Median [IQR] | 49 (36, 62) | 54 (39, 64) | 50 (36, 62) |
Mean (SD) | 49 (16) | 52 (15) | 50 (16) | |
18–39 | 1077 (33%) | 104 (27%) | 1181 (32%) | |
40–54 | 905 (28%) | 98 (26%) | 1003 (27%) | |
55+ | 1297 (40%) | 177 (47%) | 1474 (40%) | |
Missing | 1 | 0 | 1 | |
Race/ethnicitya | Non-Hispanic white | 2012 (61%) | 271 (72%) | 2283 (62%) |
Non-Hispanic black | 454 (14%) | 21 (6%) | 475 (13%) | |
Non-Hispanic Asian | 234 (7%) | 27 (7%) | 261 (7%) | |
Hispanic | 407 (12%) | 44 (12%) | 451 (12%) | |
Multiracial/other/missing | 173 (5%) | 16 (4%) | 189 (5%) | |
Referral type | Community outreach | 717 (22%) | 124 (33%) | 841 (23%) |
Public health department list | 196 (6%) | 9 (2%) | 205 (6%) | |
Community health center | 54 (2%) | 2 (1%) | 56 (2%) | |
Participant tested/treated in the health system | 1538 (47%) | 59 (16%) | 1597 (44%) | |
Existing, prospectively followed COVID cohort | 93 (3%) | 6 (2%) | 99 (3%) | |
Existing non-COVID research or clinical cohort | 32 (1%) | 13 (3%) | 45 (1%) | |
Long COVID clinic | 3 (0%) | 1 (0%) | 4 (0%) | |
Self-referral from the RECOVER website or other unsolicited self-referral | 645 (20%) | 165 (44%) | 810 (22%) | |
Missing | 2 | 0 | 2 | |
Hospitalized during acute phase of first infection | Hospitalized during acute phase | 81 (3%) | 1 (0%) | 82 (2%) |
Missing | 99 | 61 | 160 | |
Era of first infection | Pre-Omicron (first SARS-CoV-2 infection before 12/1/2021) | 15 (0%) | 0 (0%) | 15 (0%) |
Omicron (first SARS-CoV-2 infection 12/1/2021 or later) | 3265 (100%) | 377 (100%) | 3644 (100%) |
