Table 2.
Characteristics of the participants according to clusters.
| Characteristics | Overall N = 53,912a |
1 n = 16,832a |
2 n = 14,284a |
3 n = 11,680a |
4 n = 11,116a |
P-valueb |
|---|---|---|---|---|---|---|
| COVID-19 pandemic wave | <0.001 | |||||
| First wave | 36,938 (68.5%) | 10,700 (63.6%) | 8,805 (61.6%) | 6,816 (58.4%) | 10,617 (95.5%) | |
| Second wave | 16,974 (31.5%) | 6,132 (36.4%) | 5,479 (38.4%) | 4,864 (41.6%) | 499 (4.5%) | |
| Year | <0.001 | |||||
| 2020 | 36,938 (68.5%) | 10,700 (63.6%) | 8,805 (61.6%) | 6,816 (58.4%) | 10,617 (95.5%) | |
| 2021 | 16,974 (31.5%) | 6,132 (36.4%) | 5,479 (38.4%) | 4,864 (41.6%) | 499 (4.5%) | |
| Gender | <0.001 | |||||
| Female | 29,247 (54.2%) | 11,311 (67.2%) | 7,775 (54.4%) | 3,436 (29.4%) | 6,725 (60.5%) | |
| Male | 24,665 (45.8%) | 5,521 (32.8%) | 6,509 (45.6%) | 8,244 (70.6%) | 4,391 (39.5%) | |
| Age (years) | <0.001 | |||||
| Mean (SD) | 45.8 (20.6) | 38.9 (18.7) | 42.7 (18.1) | 63.6 (16.3) | 41.7 (20.0) | |
| Median (IQR) | 45.0 (31.0, 61.0) | 38.0 (26.0, 52.0) | 42.0 (29.0, 56.0) | 65.0 (53.0, 76.0) | 39.0 (28.0, 56.0) | |
| Range | 0.0, 103.0 | 0.0, 100.0 | 0.0, 103.0 | 0.3, 103.0 | 0.0, 101.0 | |
| Age group | <0.001 | |||||
| 0-4 | 1,098 (2.0%) | 521 (3.1%) | 129 (0.9%) | 11 (0.1%) | 437 (3.9%) | |
| 5-9 | 927 (1.7%) | 540 (3.2%) | 224 (1.6%) | 9 (0.1%) | 154 (1.4%) | |
| 10-14 | 1,278 (2.4%) | 671 (4.0%) | 391 (2.7%) | 10 (0.1%) | 206 (1.9%) | |
| 15-17 | 1,168 (2.2%) | 519 (3.1%) | 359 (2.5%) | 30 (0.3%) | 260 (2.3%) | |
| 18-29 | 8,001 (14.8%) | 3,132 (18.6%) | 2,549 (17.8%) | 238 (2.0%) | 2,082 (18.7%) | |
| 30-59 | 26,631 (49.4%) | 8,865 (52.7%) | 7,891 (55.2%) | 4,144 (35.5%) | 5,731 (51.6%) | |
| 60-79 | 11,747 (21.8%) | 2,347 (13.9%) | 2,405 (16.8%) | 5,154 (44.1%) | 1,841 (16.6%) | |
| 80-103 | 3,062 (5.7%) | 237 (1.4%) | 336 (2.4%) | 2,084 (17.8%) | 405 (3.6%) | |
| Case type | <0.001 | |||||
| Asymptomatic | 11,157 (20.7%) | 278 (1.7%) | 159 (1.1%) | 122 (1.0%) | 10,598 (95.3%) | |
| Symptomatic | 42,755 (79.3%) | 16,554 (98.3%) | 14,125 (98.9%) | 11,558 (99.0%) | 518 (4.7%) |
a
n (%)
b
Pearson's Chi-square test; Kruskal-Wallis's rank sum test; Fisher's exact test
IQR = Interquartile range