Table 2.
Employee Characteristics Stratified by Vaccination-to-Diagnosis Timing
| Characteristic | Total (N = 96) |
Days Between First Dose of Vaccine and Positive Test | P Valuea | |
|---|---|---|---|---|
| 1–14 Days (n = 67) | ≥15 Days (n = 29) | |||
| Female | 78 (82) | 54 (82) | 24 (83) | 1.00a |
| Age, y, mean (SD) | 40 (13) | 38 (13) | 46 (13) | .007 |
| Ethnicity | ||||
| Latinx | 8 (8) | 5 (8) | 3 (10) | .03a |
| Race | .12 | |||
| Asian/Asian Indian | 9 (10) | 6 (9) | 3 (10) | |
| Black/African American | 21 (22) | 15 (23) | 6 (21) | |
| Hispanic or Latino | 6 (6) | 5 (8) | 1 (3) | |
| Native Hawaiian/Pacific Islander | 1 (1) | 0 (0) | 1 (3) | |
| White | 50 (53) | 37 (57) | 13 (45) | |
| Unknown/declined | 7 (7) | 2 (3) | 5 (17) | |
| Role | .16 | |||
| Health care support worker | 9 (10) | 5 (8) | 4 (14) | |
| Nurse | 31 (33) | 25 (38) | 6 (21) | |
| Nurse practitioner/physician assistant | 5 (5) | 4 (6) | 1 (4) | |
| Administrative staff | 3 (3) | 3 (5) | 0 (0) | |
| Environmental services | 2 (2) | 2 (3) | 0 (0) | |
| Physician | 13 (14) | 6 (9) | 7 (25) | |
| Medical technician | 6 (6) | 5 (8) | 1 (4) | |
| OT, PT, or speech therapist | 1 (1) | 1 (2) | 0 (0) | |
| Pharmacy worker | 5 (5) | 3 (5) | 2 (7) | |
| Respiratory therapist | 2 (2) | 0 (0) | 2 (7) | |
| Other | 17 (18) | 12 (18) | 5 (18) | |
| Type of vaccine | .06 | |||
| BNT162b2 | 52 (54) | 32 (48) | 20 (69) | |
| mRNA-1273 | 44 (46) | 35 (52) | 9 (31) | |
| RT-PCR cycle thresholdb | .99 | |||
| >24 | 25 (26) | 18 (27) | 7 (24) | |
| ≤24 | 39 (40) | 28 (42) | 11 (38) | |
| Missing | 32 (33) | 21 (31) | 11 (38) | |
| Test reason (n = 93) | .79a | |||
| Community exposure | 28 (30) | 19 (29) | 9 (34) | |
| Hospital exposure | 9 (10) | 6 (9) | 3 (11) | |
| Unknown exposure | 56 (60) | 41 (62) | 15 (56) | |
| Asymptomatic | 20 (22) | 7 (11) | 13 (48) | .0002a |
| Fever | 11 (12) | 11 (16) | 0 (0) | .02 |
Data are presented as No. (%) unless otherwise indicated.
Abbreviations: OT, occupational therapist; PT, physical therapist; RT-PCR, reverse-transcription polymerase chain reaction; SD, standard deviation.
aFisher exact test, otherwise Pearson χ 2 or Student t test as appropriate.
bTwenty-four was the lowest cycle threshold above which severe acute respiratory syndrome coronavirus 2 was unable to be cultured [5–7].