Table 1.
Sociodemographic breakdown of the included cohort.
| Characteristic | Virus Watch cohort by February 2021 (n=45,963) | Invited to tracker cohort and did not withdraw (n=11,789) | Analyzed (n=249) | ||||
| Age on entry (years), median (IQR) | 54 (34-66) | 62 (52-69) | 62 (55-67) | ||||
| Sex, n (%) | |||||||
|
|
Female | 21,625 (47) | 6589 (55.9) | 141 (56.6) | |||
|
|
Intersex | 56 (0.1) | 21 (0.2) | 0 (0) | |||
|
|
Male | 17,338 (37.7) | 5,108 (43.3) | 108 (43.4) | |||
|
|
Missing | 6906 (15) | 0 (0) | 0 (0) | |||
|
|
Prefer not to say | 38 (<0.1) | 71 (0.6) | 0 (0) | |||
| Region name, n (%) | |||||||
|
|
East Midlands | 3678 (8) | 1012 (8.6) | 36 (14.5) | |||
|
|
East of England | 9052 (19.7) | 2321 (19.7) | 50 (20.1) | |||
|
|
London | 6299 (13.7) | 1686 (14.3) | 40 (16.1) | |||
|
|
North East | 2118 (4.6) | 574 (4.9) | 5 (2) | |||
|
|
North West | 4598 (10) | 1320 (11.2) | 23 (9.2) | |||
|
|
South East | 8058 (17.5) | 2289 (19.4) | 46 (18.5) | |||
|
|
South West | 2992 (6.5) | 871 (7.4) | 19 (7.6) | |||
|
|
Wales | 1038 (2.3) | 306 (2.6) | 0 (0) | |||
|
|
West Midlands | 2310 (5) | 560 (4.8) | 18 (7.2) | |||
|
|
Yorkshire and the Humber | 2049 (4.5) | 634 (5.4) | 12 (4.8) | |||
|
|
Unknown | 3771 (8.2) | 216 (1.8) | 0 (0) | |||
| Index of multiple deprivation quintile, n (%) | |||||||
|
|
1 (most deprived) | 4145 (9) | 1048 (8.9) | 21 (8.4) | |||
|
|
2 | 6625 (14.4) | 1872 (15.9) | 31 (12.4) | |||
|
|
3 | 8585 (18.7) | 2359 (20) | 43 (17.3) | |||
|
|
4 | 10,695 (23.3) | 2884 (24.5) | 74 (29.7) | |||
|
|
5 (least deprived) | 12,142 (26.4) | 3410 (28.9) | 80 (32.1) | |||
|
|
Unknown | 3771 (8.2) | 216 (1.8) | 0 (0) | |||
| Minority ethnicity status, n (%) | |||||||
|
|
Minority ethnicity | 5381 (11.7) | 1295 (11) | 28 (11.2) | |||
|
|
Missing | 7101 (15.4) | 0 (0) | 0 (0) | |||
|
|
Prefer not to say | 109 (0.2) | 84 (0.7) | 0 (0) | |||
|
|
White British | 33,372 (72.6) | 10,410 (88.3) | 221 (88.8) | |||