Table 1.
Demographics of participants enrolled.
| Total N = 222 | |
|---|---|
| Sex | |
| Male | 114 (51.4%) |
| Female | 108 (48.6%) |
| Age at last birthday (years) | |
| Median (IQR) | 51 (31, 62) |
| Range | 20–73 |
| Ethnicity | |
| White | 198 (89.2%) |
| Mixed | 5 (2.3%) |
| Asian or Asian British | 8 (3.6%) |
| Black or Black British | 3 (1.4%) |
| Other | 6 (3.6%) |
| BMI | |
| Mean (SD) | 25.3 (4.03) |
| Median (IQR) | 24.7 (22.2, 27.5) |
| Range | 18.3–40.4 |
| History of SARS-CoV-2 infectiona | |
| No | 191 (86.0%) |
| Yes | 31 (14.0%) |
| Centre | |
| Chelsea and Westminster | 29 (13.1%) |
| St Georges | 37 (16.7%) |
| St Marys | 37 (16.7%) |
| University Hospital Southampton | 40 (18.0%) |
| Surrey CRF | 38 (17.1%) |
| UCLH | 41 (18.5%) |
a
Prospectively known to have infection-induced SARS-CoV-2 antibodies prior to enrolment; or anti-Spike IgG detectable retrospectively at baseline prior to vaccination.