Table 1.
Demographics and characteristics of patients infected with SARS-CoV-2 Omicron variant.
| Characteristics | All Patients (N = 932) | Primary Immunization (N = 395) | Booster Immunization (N = 537) |
p Value |
|---|---|---|---|---|
| Age groups (years) | ||||
| <14 | 5 (0.5) | 5 (1.2) | 0 (0.0) | 0.088 |
| 14–29 | 392 (42.1) | 165 (41.8) | 227 (42.3) | |
| 30–45 | 442 (47.4) | 188 (47.6) | 254 (47.3) | |
| 46–59 | 84 (9.0) | 32 (8.1) | 52 (9.7) | |
| >59 | 9 (1.0) | 5 (1.3) | 4 (0.7) | |
| Sex | ||||
| Male | 362 (38.8) | 141 (35.7) | 221 (41.2) | 0.091 |
| Female | 570 (61.2) | 254 (64.3) | 316 (58.8) | |
| Occupation | ||||
| Teacher ** | 49 (5.3) | 11 (2.8) | 38 (7.1) | 0.019 * |
| Student | 110 (11.8) | 46 (11.6) | 64 (11.9) | |
| Self-employed | 44 (4.7) | 22 (5.6) | 22 (4.0) | |
| Company Staff ** | 216 (23.2) | 106 (26.8) | 110 (20.5) | |
| Public servants | 47 (5.0) | 17 (4.3) | 30 (5.6) | |
| Healthcare workers | 201 (21.6) | 89 (22.5) | 112 (20.9) | |
| Others | 265 (28.4) | 104 (26.4) | 161 (30.0) | |
| Coexisting disorders | ||||
| Hypertension | 39 (4.2) | 21 (5.3) | 18 (3.4) | 0.139 |
| Diabetes | 13 (1.4) | 7 (1.8) | 6 (1.1) | 0.400 |
| Respiratory diseases | 15 (1.6) | 8 (2.8) | 7 (1.3) | 0.387 |
| Cardiovascular and cerebrovascular diseases | 9 (1.0) | 5 (1.3) | 4 (0.7) | 0.422 |
| Tumor | 5 (0.5) | 4 (1.0) | 1 (0.2) | 0.088 |
| Past history of COVID-19 | ||||
| Yes | 21 (2.3) | 12 (3.0) | 9 (1.7) | 0.166 |
| No | 911 (97.7) | 383 (97.0) | 528 (98.3) | |
| Medical treatment | ||||
| Untreated | 141 (15.1) | 57 (14.4) | 84 (15.6) | 0.871 |
| Self-purchased medicine | 753 (80.8) | 322 (81.5) | 431 (80.3) | |
| Fever outpatient treatment | 38 (4.1) | 16 (4.1) | 22 (4.1) | |
| Drugs use | ||||
| Antipyretics and analgesics | 666 (84.2) | 282 (83.4) | 384 (84.8) | 0.610 |
| Antiviral drugs | 202 (25.5) | 80 (23.7) | 122 (26.9) | 0.298 |
| Antibiotics | 127 (16.1) | 55 (16.3) | 72 (15.9) | 0.886 |
| Chinese medicine | 251 (31.7) | 81 (24.0) | 170 (37.5) | <0.001* |
| Fluid administration | 15 (1.9) | 5 (1.5) | 10 (2.2) | 0.458 |
| Most likely infection mode | ||||
| Family | 257 (27.6) | 107 (27.1) | 150 (27.9) | <0.001 * |
| Colleagues ** | 277 (29.7) | 102 (25.8) | 175 (32.6) | |
| Confronting and treating patients | 174 (18.7) | 70 (17.7) | 104 (19.4) | |
| Public places ** | 207 (22.2) | 109 (27.6) | 98 (18.2) | |
| Takeaway delivery | 17 (1.8) | 7 (1.8) | 10 (1.9) |
* For overall comparison, p < 0.05. ** For individual item comparison, p < 0.05.