Table 1.
Participant characteristics.
| Characteristic | Level | N (%) |
|---|---|---|
| Gender | Female | 946 (57.0%) |
| Male | 714 (43.0%) | |
| Age | Under 50 | 1122 (67.6%) |
| 50-64 | 332 (20.0%) | |
| 65 and over | 206 (12.4%) | |
| Ethnicity | White | 1297 (78.1%) |
| English/Welsh/Scottish/Northern Irish/British | 1209 (72.8%) | |
| Irish | 17 (1.0%) | |
| Any other White background | 71 (4.3%) | |
| Mixed/multiple ethnic groups | 83 (5.0%) | |
| White and Black Caribbean | 20 (1.2%) | |
| White and Black African | 7 (0.4%) | |
| White and Asian | 31 (1.9%) | |
| Any other Mixed/Multiple ethnic background | 25 (1.5%) | |
| Asian/Asian British | 180 (10.8%) | |
| Indian | 69 (4.2%) | |
| Pakistani | 36 (2.2%) | |
| Bangladeshi | 25 (1.5%) | |
| Chinese | 26 (1.6%) | |
| Any other Asian background | 24 (1.4%) | |
| Black/African/Caribbean/Black British | 88 (5.3%) | |
| African | 45 (2.7%) | |
| Caribbean | 31 (1.9%) | |
| Any other Black/African/Caribbean background | 12 (0.7%) | |
| Other ethnic group | 12 (0.7%) | |
| Arab | 3 (0.2%) | |
| Any other ethnic group | 9 (0.5%) | |
| England region | London | 286 (17.2%) |
| East Midlands | 141 (8.5%) | |
| East of England | 155 (9.3%) | |
| North East | 67 (4.0%) | |
| North West | 198 (11.9%) | |
| South East | 281 (16.9%) | |
| South West | 163 (9.8%) | |
| West Midlands | 179 (10.8%) | |
| Yorkshire and the Humber | 190 (11.4%) | |
| Deciles of Indices of Multiple Deprivation | 1 (most deprived) | 137 (8.3%) |
| 2 | 170 (10.2%) | |
| 3 | 146 (8.8%) | |
| 4 | 157 (9.5%) | |
| 5 | 166 (10.0%) | |
| 6 | 145 (8.7%) | |
| 7 | 172 (10.4%) | |
| 8 | 173 (10.4%) | |
| 9 | 187 (11.3%) | |
| 10 | 204 (12.3%) | |
| Missing | 3 (0.2%) | |
| Key worker | Not a key worker | 585 (35.2%) |
| Not sure | 103 (6.2%) | |
| Key worker—Health and social care | 110 (6.6%) | |
| Key worker—Education and childcare | 129 (7.8%) | |
| Key worker—Utilities and communication | 28 (1.7%) | |
| Key worker—Food and necessary goods | 70 (4.2%) | |
| Key worker—Transport | 37 (2.2%) | |
| Key worker—Key public services | 48 (2.9%) | |
| Key worker—Public safety and national security | 15 (0.9%) | |
| Key worker—National and local governments | 34 (2.0%) | |
| Not in work | 501 (30.2%) | |
| BMI | Underweight | 67 (4.0%) |
| Healthy weight | 646 (38.9%) | |
| Overweight | 469 (28.3%) | |
| Obese | 283 (17.0%) | |
| Missing | 195 (11.7%) | |
| Previously had COVID-19 | Not had COVID-19 | 1336 (80.5%) |
| Had COVID-19 | 284 (17.1%) | |
| Missing | 40 (2.4%) | |
| Shielding from COVID-19 | Yes | 320 (19.3%) |
| No | 1340 (80.7%) | |
| General health | Very bad | 13 (0.8%) |
| Bad | 60 (3.6%) | |
| Fair | 390 (23.5%) | |
| Good | 773 (46.6%) | |
| Very good | 358 (21.6%) | |
| Missing | 66 (4.0%) | |
| Seasonal influenza vaccine frequency | Never | 794 (47.8%) |
| Rarely | 275 (16.6%) | |
| Some years | 145 (8.7%) | |
| Most years | 140 (8.4%) | |
| Every year | 306 (18.4%) |