Table 1. Characteristics of Individuals Recovered From COVID-19 and Unvaccinated at the End of the 90-Day Recovery Period.
| Characteristic | No. (%) | ||
|---|---|---|---|
| General population (n = 94 516) | LTCC employees (n = 2877) | LTCC residents (n = 3124) | |
| Age, median (IQR), y | 35 (24-52) | 41 (30-53) | 81 (71-89) |
| Sex assigned at birth | |||
| Female | 45 030 (47.6) | 2186 (76.0) | 1675 (53.6) |
| Male | 43 456 (46.0) | 395 (13.7) | 758 (24.3) |
| Unknown | 6030 (6.4) | 296 (10.3) | 691 (22.1) |
| Race and ethnicity | |||
| Asiana | 1879 (2.0) | 54 (1.9) | 8 (0.3) |
| Blacka | 5917 (6.3) | 776 (27.0) | 54 (1.7) |
| Hispanic or Latino (any race) | 27 625 (29.2) | 474 (16.5) | 74 (2.4) |
| Whitea | 46 158 (48.8) | 1245 (43.3) | 966 (30.9) |
| Other or unknown racea,b | 12 937 (13.7) | 328 (11.4) | 2022 (64.7) |
| Symptom status during first infectionc | |||
| Asymptomatic | 12 223 (12.9) | 903 (31.4) | 256 (8.2) |
| Symptomatic | 66 030 (69.9) | 1801 (62.6) | 369 (11.8) |
| Unknown | 16 263 (17.2) | 173 (6.0) | 2499 (80.0) |
| Hospitalization status at first infection | |||
| Not hospitalized | 90 149 (95.4) | 2817 (97.9) | 2768 (88.6) |
| Hospitalized | 4367 (4.6) | 60 (2.1) | 356 (11.4) |
| Community COVID-19 riskd | |||
| High | 31 895 (33.7) | 1077 (37.4) | 777 (24.9) |
| Moderate | 22 963 (24.3) | 785 (27.3) | 864 (27.7) |
| Low | 39 258 (41.5) | 964 (33.5) | 1367 (43.8) |
| Unknown | 400 (0.4) | 51 (1.8) | 116 (3.7) |
| Vaccination status at end of follow-up | |||
| CPVS | 48 436 (51.2) | 1908 (66.3) | 1831 (58.6) |
| Partial CPVS | 4247 (4.5) | 223 (7.8) | 243 (7.8) |
| Unvaccinated | 41 833 (44.3) | 746 (25.9) | 1050 (33.6) |
| First vaccine type received | |||
| mRNA-1273 | 16 752 (17.7) | 380 (13.2) | 131 (4.2) |
| BNT162b2 | 31 316 (33.1) | 1676 (58.3) | 1891 (60.6) |
| JNJ-78436735 | 4615 (4.9) | 75 (2.6) | 52 (1.7) |
| Unvaccinated | 41 833 (44.3) | 746 (25.9) | 1050 (33.6) |
| First infection periode | |||
| Wild type period | 80 189 (84.8) | 2771 (96.3) | 3103 (99.3) |
| Alpha period | 9445 (10.0) | 84 (2.9) | 8 (0.3) |
| Delta period | 4882 (5.2) | 22 (0.8) | 13 (0.4) |
| Reinfection status at end of follow-upe | |||
| Not reinfected | 93 113 (98.5) | 2603 (90.5) | 2744 (87.8) |
| Reinfected during wild type period | 338 (0.4) | 197 (6.8) | 321 (10.3) |
| Reinfected during Alpha period | 286 (0.3) | 18 (0.6) | 27 (0.9) |
| Reinfected during Delta period | 779 (0.8) | 59 (2.1) | 32 (1.0) |
| Time between infections among reinfected individuals, median (IQR), mo | 7.9 (4.8-10.7) | 6.9 (4.8-8.7) | 7.1 (4.2-8.6) |
Abbreviations: CPVS, completion of primary vaccination series; LTCC, long-term congregate care.
Individual reported non-Hispanic or unknown ethnicity.
Includes individuals reporting American Indian or Alaskan Native, Native Hawaiian or Other Pacific Islander, other race, and multiple races.
Summary of symptom information reported to Rhode Island Department of Health as the reason for testing, during case investigation, and/or through symptom self-monitoring.
Zip code–based community risk classification created by Rhode Island Department of Health based on community characteristics, such as population density, sociodemographic characteristics, and COVID-19 burden to help guide COVID-19 surveillance and response efforts.
Predominant COVID-19 strains defined as wild-type strain, February 28, 2020, to March 16, 2021; Alpha strain, March 17 to July 3, 2021; and Delta strain, July 4 to December 9, 2021.