Volume 27, Number 3—March 2021
Research
Severe Acute Respiratory Syndrome Coronavirus 2 Seropositivity among Healthcare Personnel in Hospitals and Nursing Homes, Rhode Island, USA, July–August 2020
Table 4
SARS-CoV-2 seropositivity among hospital and nursing home personnel, by frequency of conducting aerosol-generating procedures frequency and use of PPE, Rhode Island, USA, July–August 2020*
Characteristic | Hospital |
Nursing home |
|||||
---|---|---|---|---|---|---|---|
No. | Seropositive, no. | Seropositive, % (95% CI) | No. | Seropositive, no. | Seropositive, % (95% CI) | ||
Aerosol-generating procedure frequency | |||||||
0 times per shift per week | 4,121 | 108 | 2.6 (2.2–3.2) | 858 | 93 | 10.8 (8.8–13.1) | |
1–5 times | 1,679 | 62 | 3.7 (2.8–4.7) | 114 | 25 | 21.9 (14.7–30.7) | |
6–10 times | 380 | 22 | 5.8 (3.7–8.6) | 36 | 7 | 19.4 (8.2–36.0) | |
11–25 times | 277 | 11 | 4.0 (2.0–7.0) | 23 | 4 | 17.4 (5.0–38.8) | |
>25 times | 366 | 19 | 5.2 (3.2–8.0) | 41 | 12 | 29.3 (16.1–45.5) | |
NA |
1,546 |
34 |
2.2 (1.5–3.1) |
422 |
55 |
13.0 (10.0–16.6) |
|
PPE use | |||||||
Never use PPE | 2,939 | 64 | 2.2 (1.7–2.8) | 322 | 19 | 5.9 (3.6–9.1) | |
Used PPE and reported frequency of needing complete PPE | |||||||
Daily | 1,809 | 66 | 3.7 (2.8–4.6) | 632 | 125 | 19.8 (16.7–23.1) | |
Few times a week | 1,860 | 75 | 4.0 (3.2–5.0) | 332 | 42 | 12.7 (9.3–16.7) | |
Less than once a week |
1,761 |
51 |
2.9 (2.2–3.8) |
208 |
10 |
4.8 (2.3–8.7) |
|
Use of PPE shortage protocol | |||||||
No shortage | 511 | 25 | 4.9 (3.2–7.1) | 238 | 28 | 11.8 (8.0–16.6) | |
Reuse | 934 | 21 | 2.3 (1.4–3.4) | 186 | 21 | 11.3 (7.1–16.7) | |
Extended use | 1,341 | 42 | 3.1 (2.3–4.2) | 253 | 45 | 17.8 (13.3–23.1) | |
Extended and reuse |
2,644 |
104 |
3.9 (3.2–4.8) |
495 |
83 |
16.8 (13.6–20.4) |
|
Donning/doffing training in past year | |||||||
Yes | 5,140 | 184 | 3.6 (3.1–4.1) | 1,135 | 170 | 15.0 (13.0–17.2) | |
No | 199 | 5 | 2.5 (0.8–5.8) | 15 | 3 | 20.0 (4.3–48.1) | |
Don't know | 91 | 3 | 3.3 (0.7–9.3) | 22 | 4 | 18.2 (5.2–40.3) |
*Significant linear trend of seropositivity with rising frequency of aerosol-generating procedures and decreasing frequency of needing complete PPE for hospital and nursing home settings (p<0.001 for all). NA, not applicable; PPE, personal protective equipment; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.