Table 1 Participant characteristics at baseline (n = 9003).
Characteristic | N (%) | |
|---|---|---|
Age, years | 16–29.99 | 120 (1.3) |
30–39.99 | 341 (3.8) | |
40–49.99 | 800 (8.9) | |
50–59.99 | 2192 (24.4) | |
60–69.99 | 3617 (40.2) | |
≥70.00 | 1933 (21.5) | |
Sex | Female | 6367 (70.7) |
Male | 2363 (29.3) | |
Ethnicity | White | 8676 (96.4) |
Mixed/multiple/other ethnic groups | 197 (2.2) | |
Asian/Asian British | 94 (1.0) | |
Black/African/Caribbean/Black British | 36 (0.4) | |
Country of residence | England | 7961 (88.4) |
Northern Ireland | 139 (1.5) | |
Scotland | 563 (6.3) | |
Wales | 340 (3.8) | |
Highest educational level attained | Primary/Secondary | 978 (10.9) |
Higher/further (A levels) | 1265 (14.1) | |
College | 3991 (44.4) | |
Post-graduate | 2762 (30.7) | |
Body mass indexa | <25, kg/m2 | 4369 (48.6) |
25–30, kg/m2 | 2907 (32.4) | |
>30, kg/m2 | 1709 (19.0) | |
Self-reported general health | Excellent | 1878 (20.9) |
Very good | 3590 (39.88) | |
Good | 2326 (25.8) | |
Fair | 949 (10.5) | |
Poor | 260 (2.9) | |
Tobacco smoking status | Not a current smoker | 8633 (95.9) |
Current smoker | 370 (4.1) | |
E-cigarette statusb | Not a current vaper | 8778 (97.7) |
Current smoker | 207 (2.3)) | |
Alcohol consumption | None | 2349 (26.1) |
1–7 units | 3189 (35.4) | |
8–14 units | 1853 (20.6) | |
15–21 units | 901 (10.0) | |
22–28 units | 403 (4.5) | |
>28 units | 308 (3.4) | |
Vaccine type | 2 doses ChAdOx1 | 5988 (66.5) |
2 doses BNT162b2 | 2864 (31.8) | |
2 doses MRNA-1273 | 59 (0.66) | |
2 doses Otherc | 92 (1.02) | |
Month of dose for first dose | Q1 (Jan–Mar) | 8262 (91.8) |
Q2 (Apr–Jun) | 625 (6.9) | |
Q3 (Jul–Sep) | 1 (0.01) | |
Q4 (Oct–Dec) | 115 (1.3) | |
Month of dose for second dose | Q1 (Jan–Mar) | 751 (8.3) |
Q2 (Apr–Jun) | 7975 (88.6) | |
Q3 (Jul–Sep) | 274 (3.0) | |
Q4 (Oct–Dec) | 3 (0.03) |
