Table 1.
Population characteristics. Characteristics of the HCW at baseline. Two non-responders and six HCW with a positive anti-Spike IgG were excluded.
| Baseline | |
|---|---|
| N | 97 |
| Age in years, mean (SD) <30yrs (n) 31-40yrs (n) 41-50yrs (n) >50yrs (n) |
40.9 (11.0) 21 22 34 19 |
| Weight in kg, mean (SD) | 74.4 (18.6) |
| Height in cm, mean (SD) | 167.4 (8.4) |
| BMI, mean (SD) distribution: n (%) <25 25-30 >30 |
26.4 (5.8) 51 (52) 25 (25.5) 21 (21.4) |
| Race, n (%) | |
| White | 87 (89.7) |
| BAME | 9 (9.3) |
| Prefer not to answer | 1 (1.0) |
| Sex, n (%) | |
| Male | 21 (21.6) |
| Female | 76 (78.4) |
| Reported Prior COVID-19 symptoms or infection, n (%) | 1 (1.0) |
| Antibody levels, median (IQR) | |
| Abbott IgG (AU/mL) [cut-off=50AU/mL] | 0.6 (0.0-1.9) |
| Abbott IgG Index (S/C) [cut-off=1.4] | 0.03 (0.02-0.07) |
| 25(OH)D (nmol/L), median (IQR) distribution: %, median (IQR) <25nmol/L 25-50nmol/L >50nmol/L 1,25(OH)2D (pmol/L), mean (SD) |
37.0 (24.2-67.6) 27.9%, 20.4 (16.5-22.5) 38.1%, 35.7 (30.8-39.1) 33.0%, 72..8 (65.4-79.2) 108.2 (34.3) |