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. 2022 Mar 25;40(19):2749–2754. doi: 10.1016/j.vaccine.2022.03.045

Table 2.

Demographic Characteristics of the participants and SARS-CoV-2 vaccination.

Variables Vaccinated
N:51,320 (78.6%)
Unvaccinated
N:13,950(21.4%)
P value**
Age Groups, years <0.0001
<25 2314(65.3%) 1228(34.7%)
25–34 13,230(72.5%) 5022(27.5%)
35–44 13,188(78.3%) 3648(21.7%)
45–54 10,224(82.2%) 2215(17.8%)
55–65 9949(86.2%) 1590(13.8%)
>=65 2412(90.7%) 246(9.3%)
Gender <0.0001
Male 15,516(81.9%) 3433(18.12%)
Female 35,796(77.3%) 10,509(22.7%)
Race/Ethnicity <0.0001
Non-Hispanic White 41,230(80.3%) 10,125(19.7%)
Black 1575(61.5%) 988(38.5%)
Hispanic 2153(75.3%) 706(24.7%)
Asian 3824(87.9%) 524(12.1%)
Other 928(73.3%) 338(26.7%)
Job location <0.0001
Midwest region 39,040(81.1%) 9111(18.9%)
Arizona 6471(74.2%) 2246(25.8%)
Florida 5590 (70.3%) 2364(29.7%)
Job category <0.0001
Administrative Staff 5735(82.5%) 1216(17.5%)
Physician 6351(95.8%) 277(4.2%)
Advanced Practice 3858(89%) 477(11%)
Nurse 12,644(78.9%) 3386(21.1%)
Healthcare Professional 3111(83.6%) 611(16.4%)
Clinical Support Staff 4351(70.6%) 1815(29.4%)
Research 4438(75.3%) 1454(24.7%)
Student Worker 1097(82.5%) 232(17.5%)
Nonclinical Support Staff 9,038(68.9%) 4,074(31.1%)
Patient Care Role <0.0001
Direct Care 29,970(82.4%) 6,414 (17.6%)
No Direct Care 20,653(74.3%) 7,128(25.7%)
Duration of hire, months Median (IQR) 80.8(0-775.5) 46.5(0-626.8) <0.0001
Prior positive SARS-CoV-2 molecular assay*** 3,018(68.8%) 1,368(31.2%) <0.0001

SARS-CoV-2: severe acute respiratory syndrome coronavirus 2.

*Missing variables for age, gender, race, patient care, job category and location were excluded from the analysis.

** Nonparametric Wilcoxon rank-sum test for continuous variables and the chi-square test for categorical variables.

***Includes positive tests prior to vaccine availability on 12/18/2020 for both groups.