Table 1.
Demographic Characteristics of the participants and SARS-CoV-2 booster vaccination.
| Variables |
Booster Dose N:40,430 (64.8 %) |
No Booster Dose N:21,957 (35.2 %) |
P value** |
|---|---|---|---|
| Age Groups, years | <0.0001 | ||
| <25 | 1,299 (45.1 %) | 1,580 (54.9 %) | |
| 25–34 | 9,109 (58.3 %) | 6,513(41.7 %) | |
| 35–44 | 10,667 (64.4 %) | 5,899 (35.6 %) | |
| 45–54 | 9,105 (67.9 %) | 4,307 (32.1 %) | |
| 55–65 | 8,636 (73.1 %) | 3,178 (26.9 %) | |
| >=65 | 1,446 (78.3 %) | 400 (21.7 %) | |
| Gender | <0.0001 | ||
| Male | 12,336 (67.96 %) | 5,817 (32.04 %) | |
| Female | 27,926 (63.5 %) | 16,060 (36.5 %) | |
| Race/Ethnicity | <0.0001 | ||
| Non-Hispanic White | 33,891 (65.9 %) | 17,538 (34.1 %) | |
| Black | 1,047 (44.6 %) | 1,299 (55.4 %) | |
| Hispanic | 1,515 (56.8 %) | 1,151 (43.2 %) | |
| Asian | 3,135 (69.4 %) | 1,382 (30.6 %) | |
| Other | 674 (57.1 %) | 507 (42.9 %) | |
| Job location | <0.0001 | ||
| Midwest region | 32,677 (68.5 %) | 15,056 (31.5 %) | |
| Arizona | 3,516 (49.6 %) | 3,572 (50.4 %) | |
| Florida | 3,567 (54.6 %) | 2,963 (45.4 %) | |
| Job category | <0.0001 | ||
| Nonclinical Support Staff | 5,531 (55.1 %) | 4,509 (44.9 %) | |
| Physician | 5,566 (84.7 %) | 1,005 (15.3 %) | |
| Advanced Practice | 2,068 (80.7 %) | 495 (19.3 %) | |
| Nurse | 9,106 (65.2 %) | 4,853 (34.8 %) | |
| Healthcare Professional | 3,602(71.1 %) | 1,465 (28.9 %) | |
| Clinical Support Staff | 3,409 (51.3 %) | 3,238 (48.7 %) | |
| Research | 3,285 (69.9 %) | 1,411 (30.1 %) | |
| Administrative Staff | 7,695 (61.1 %) | 4,901 (38.9 %) | |
| Patient Care Role | <0.0001 | ||
| Direct Care | 22,768 (68.9 %) | 10,285 (31.1 %) | |
| No Direct Care | 17,494 (60.1 %) | 11,592 (39.9 %) | |
| Vaccine | <0.0001 | ||
| Early Vaccination | 40,218 (72.6 %) | 15,211 (27.4 %) | |
| Late Vaccination | 44 (0.7 %) | 6,666 (99.3 %) | |
| Duration of hire, months Median (IQR) | 108.9 (0–778.5) | 64.7 (0–605.5) | <0.0001 |
| Prior positive SARS-CoV-2 molecular assay*** | 3,985 (32.2 %) | 8,385 (67.8 %) | <0.0001 |
SARS-CoV-2: severe acute respiratory syndrome coronavirus 2.
*Missing variables job location were excluded from the analysis.
** Nonparametric Wilcoxon rank-sum test for continuous variables and the chi-square test for categorical variables.
*** Positive tests after booster dose were excluded for booster dose group.