Table 1.
Baseline demographic characteristics at beginning of study period of cohort in children aged 5–11 and 12–17 years who received at least one COVID-19 vaccine dose or tested positive for SARS-CoV-2 in England between 8th December 2020 and 7th August 2022
| 5–11 years (n = 1,842,159) | 12–17 years (n = 3,355,766) | |||
|---|---|---|---|---|
| Received at least one COVID-19 vaccine | Positive SARS-CoV-2 test | Received at least one COVID-19 vaccine | Positive SARS-CoV-2 test | |
| Total N (%) | 581,545 (31.6) | 1,508,661 (81.9) | 2,882,229 (85.9) | 1,602,710 (47.8) |
| Age, mean (SD) | 8.7 (2.0) | 8.4 (1.9) | 14.6 (1.8) | 14.3 (1.7) |
| Sex | ||||
| Female | 45.3 (263,552) | 47.5 (716,227) | 47.1 (1,356,342) | 49.5 (793,332) |
| Male | 47.9 (278,675) | 48.6 (733,779) | 47.0 (1,355,952) | 45.8 (733,890) |
| Not recorded | 6.8 (39,318) | 3.9 (58,655) | 5.9 (169,935) | 4.7 (75,488) |
| Ethnicity | ||||
| White | 69.0 (401,542) | 75.8 (1,143,151) | 69.5 (2,001,849) | 72.4 (1,161,127) |
| Indian | 5.2 (30,202) | 2.7 (40,444) | 2.8 (80,872) | 2.2 (36,026) |
| Pakistani | 1.7 (10,001) | 2.0 (30,619) | 2.4 (69,239) | 2.1 (33,269) |
| Bangladeshi | 1.0 (5705) | 0.6 (9573) | 1.0 (27,390) | 0.7 (11,199) |
| Other Asian | 2.2 (12,549) | 1.3 (19,912) | 1.6 (46,241) | 1.3 (20,755) |
| Black Caribbean | 0.1 (821) | 0.5 (6822) | 0.3 (9217) | 0.6 (9386) |
| Black African | 1.2 (7176) | 1.3 (19,726) | 1.5 (44,384) | 1.5 (24,089) |
| Chinese | 0.9 (5287) | 0.4 (5939) | 0.5 (13,844) | 0.3 (4892) |
| Other | 4.8 (27,856) | 5.1 (77,488) | 3.9 (111,050) | 4.2 (67,450) |
| Not recorded | 13.8 (80,406) | 10.3 (154,987) | 16.6 (478,143) | 14.6 (234,517) |
| Medical history* | ||||
| Guillain-Barre syndrome | ( < 5) | < 0.1 (10) | < 0.1 (35) | < 0.1 (25) |
| Appendicitis | 0.1 (698) | 0.1 (1929) | 0.2 (7030) | 0.3 (4141) |
| Demyelinating disease | < 0.1 (28) | < 0.1 (66) | < 0.1 (162) | < 0.1 (82) |
| Myositis | < 0.1 (40) | < 0.1 (86) | < 0.1 (143) | < 0.1 (68) |
| Myocarditis | < 0.1 (5) | ( < 5) | < 0.1 (35) | < 0.1 (15) |
| Acute pancreatitis | < 0.1 (20) | < 0.1 (46) | < 0.1 (220) | < 0.1 (121) |
| Immune thrombocytopenia | < 0.1 (237) | < 0.1 (571) | < 0.1 (725) | < 0.1 (443) |
| Multisystem inflammatory syndrome | < 0.1 (53) | < 0.1 (120) | < 0.1 (76) | < 0.1 (36) |
| Anaphylaxis | < 0.1 (88) | < 0.1 (269) | < 0.1 (478) | < 0.1 (314) |
| Epilepsy | 0.4 (2062) | 0.2 (3038) | 0.2 (5746) | 0.2 (2644) |
| Angioedema | < 0.1 (96) | < 0.1 (241) | < 0.1 (368) | < 0.1 (239) |
| Acute disseminated encephalomyelitis | < 0.1 (53) | < 0.1 (118) | < 0.1 (159) | < 0.1 (80) |
*Defined as hospital admission with ICD-10 code for condition in two years prior to study start date.
Cells with < 5 are suppressed. Data are presented as column % (counts).