| | Characteristics | Total of cases | Phases of the COVID-19 pandemic across 17 months | value | | Phase I | Phase II first wave | Phase III | Phase IV second wave | Phase V third wave | | n (%) | n (%) |
| | Gender | | Female | 74,170 (48.5) | 19 (45.2) | 1,374 (45.2) | 375 (40.0) | 12,745 (58.0) | 59,657 (47.0) | <0.001 | | Male | 78,809 (51.5) | 23 (54.8) | 1,666 (54.8) | 563 (60.0) | 9,228 (42.0) | 67,329 (51.5) | | Total | 152,979 (100) | 42 (100) | 3,040 (100) | 938 (100) | 21,973 (100) | 126,986 (100) |
| | Age (years) | | >1 (infants) | 65 (0.0) | 0 | 1 (0.0) | 0 | 7 (0.0) | 57 (0.0) | <0.001 | | 1–3 (toddlers) | 1,781 (1.2) | 1 (2.4) | 18 (0.6) | 9 (1.0) | 81 (0.4) | 1,672 (1.3) | | 4–5 (preschoolers) | 977 (0.6) | 0 | 12 (0.4) | 2 (0.2) | 48 (0.2) | 915 (0.7) | | 6–12 (middle childhood) | 4,221 (2.8) | 2 (4.8) | 41 (1.3) | 17 (1.8) | 219 (1.0) | 3,942 (3.1) | | 13–15 | 1,921 (1.3) | 0 | 29 (1.0) | 10 (1.1) | 155 (0.7) | 1,727 (1.4) | | 16–18 | 2,852 (1.9) | 0 | 39 (1.3) | 11 (1.2) | 218 (1.0) | 2,584 (2.0) | | 19–24 | 22,264 (14.6) | 2 (4.8) | 370 (12.2) | 148 (15.8) | 3,511 (16.0) | 18,233 (14.4) | | 25–30 | 32,674 (21.4) | 5 (11.9) | 554 (18.2) | 186 (19.8) | 5,322 (24.2) | 26,607 (21.0) | | 31–35 | 21,520 (14.1) | 10 (23.8) | 369 (12.1) | 135 (14.4) | 4,000 (18.2) | 17,006 (13.4) | | 36–40 | 17,780 (11.6) | 1 (2.4) | 350 (11.5) | 105 (11.2) | 2,861 (13.0) | 14,463 (11.4) | | 41–50 | 23,482 (15.3) | 4 (9.5) | 557 (18.3) | 171 (18.2) | 3,141 (13.4) | 19,609 (15.4) | | 51–60 | 14,028 (9.2) | 4 (9.5) | 407 (13.4) | 93 (9.9) | 1,557 (7.1) | 11,967 (9.4) | | >60 | 9,414 (6.2) | 13 (31.0) | 293 (9.6) | 51 (5.4) | 8,204 (3.9) | 8,204 (6.5) | | Total | 152,979 (100) | 42 (100) | 3,040 (100) | 938 (100) | 21,973 (100) | 126,986 (100) |
| | Nationality | | Thai | 118,391 (77.4) | 17 (40.5) | 2,734 (89.9) | 689 (73.5) | 7,922 (36.1) | 107,029 (84.3) | <0.001 | | Foreigner | 2,257 (1.5) | 25 (59.5) | 206 (6.8) | 219 (23.3) | 609 (2.8) | 1,198 (0.9) | | Migrant worker | 32,331 (21.1) | 0 | 100 (3.3) | 30 (3.2) | 13,442 (61.2) | 18,759 (14.8) | | Total | 152,979 (100) | 42 (100) | 3,040 (100) | 938 (100) | 21,973 (100) | 126,986 (100) |
| | Source population at risk factors | | Close contact with a previous confirmed patient | 67214 (43.9) | 32 (76.1) | 1,599 (52.6) | 276 (29.4) | 2,773 (12.6) | 62,534 (49.2) | <0.001 | | Health care worker | 684 (0.4) | 1 (2.4) | 97 (3.2) | 0 | 57 (0.3) | 529 (0.4) | | Community risk | 13,002 (8.5) | 8 (19.0) | 1,146 (37.7) | 16 (1.7) | 567 (2.6) | 11,265 (8.9) | | Cluster community | 39377 (25.7) | 0 | 0 | 0 | 17,587 (80.0) | 21,790 (17.2) | | Active and community surveillance | 30,456 (19.9) | 0 | 55 (1.8) | 0 | 332 (1.5) | 30,069 (23.7) | | State quarantine | 2,246 (1.5) | 1 (2.4) | 143 (4.7) | 646 (68.9) | 657 (3.0) | 799 (0.6) | | Total | 152,979 (100) | 42 (100) | 3,040 (100) | 938 (100) | 21,973 (100) | 126,986 (100) |
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