Volume 26, Number 10—October 2020
Dispatch
High Proportion of Asymptomatic SARS-CoV-2 Infections in 9 Long-Term Care Facilities, Pasadena, California, USA, April 2020
and Ying-Ying Goh
Table 1
Demographics and COVID-19 characteristics by staff and residents among long-term care facilities, Pasadena, California, USA, April 2020*
| Characteristic | Total eligible | Persons tested | Confirmed COVID-19† | Asymptomatic infection† |
|---|---|---|---|---|
| Staff | 485 | 356 (73.4) | 223 (62.6) | 55 (24.7) |
| Age, y, mean (SD) | 443 | 41.8 (13.3) | 42.8 (12.7) | 39.8 (14.2) |
| Sex | ||||
| F | 328 | 249 (75.9) | 170 (68.3) | 39 (22.9) |
| M | 157 | 107 (68.2) | 53 (49.5) | 16 (30.2) |
| Staff role | ||||
| Activities | 15 | 9 (60.0) | 4 (44.4) | 0 |
| Administration | 32 | 26 (81.3) | 18 (69.2) | 5 (27.8) |
| Dietary | 42 | 31 (73.8) | 16 (51.6) | 2 (12.5) |
| Housekeeping | 19 | 14 (73.7) | 8 (57.1) | 2 (25.0) |
| Maintenance | 14 | 12 (85.7) | 5 (41.7) | 4 (20.0) |
| CNA | 149 | 115 (77.2) | 78 (67.8) | 20 (25.6) |
| LVN | 66 | 46 (70.0) | 34 (73.9) | 5 (14.7) |
| RN | 34 | 23 (67.6) | 14 (60.9) | 3 (21.4) |
| Other caregiver‡ | 49 | 35 (71.4) | 24 (68.6) | 3 (12.5) |
| Other/unknown‡ |
65 |
45 (69.2) |
22 (48.9) |
11 (50.0) |
| Residents | 608 | 582 (95.7) | 408 (70.1) | 202 (49.5) |
| Age, y, mean (SD) | 603 | 78.0 (13.3) | 78.4 (13.0) | 77.1 (13.0) |
| Sex | ||||
| F | 347 | 332 (95.7) | 237 (71.4) | 121 (51.0) |
| M | 261 | 250 (95.8) | 171 (68.4) | 81 (47.4) |
*Values are no. (%) except as indicated. CNA, certified nursing assistant; COVID-19, coronavirus disease; LVN, licensed vocational nurse; RN, registered nurse.
†Severe acute respiratory syndrome coronavirus 2 detected on nasopharyngeal swab tested by reverse transcription PCR. Asymptomatic infection includes confirmed COVID-19 cases with no reported typical or atypical symptoms of COVID-19. Percentage with results is equal to the number of persons with laboratory results by the number eligible in the facility. The percentage confirmed includes the number of persons with a positive PCR COVID-19 result by the number of persons with laboratory results.
‡Other caregivers include physical therapists, respiratory therapists, rehabilitation workers, and caseworkers. Others include web developers and marketing personnel.