Table 1 Description of the study population
| Â | Number | Percentage |
|---|---|---|
Tested for SARS-CoV-2 | ||
 No | 389,458 | 99.3 |
 Yes | 2658 | 0.7 |
Tested positive for SARS-CoV-2 | ||
 No | 391,168 | 99.8 |
 Yes | 948 | 0.2 |
Tested positive for SARS-CoV-2 in hospital | ||
 No | 391,390 | 99.8 |
 Yes | 726 | 0.2 |
Age group at baseline | ||
 40–44 | 40,995 | 10.5 |
 45–49 | 52,116 | 13.3 |
 50–54 | 60,291 | 15.4 |
 55–59 | 71,160 | 18.1 |
 60–64 | 95,604 | 24.4 |
 65–69 | 70,110 | 17.9 |
 70+ | 1840 | 0.5 |
Sex | ||
 Female | 215,351 | 54.9 |
 Male | 176,765 | 45.1 |
Ethnicity | ||
 White British | 348,735 | 88.9 |
 White Irish | 9800 | 2.5 |
 White Other | 12,925 | 3.3 |
 Mixed | 2356 | 0.6 |
 Indian | 4571 | 1.2 |
 Pakistani | 1259 | 0.3 |
 Other South Asian | 1493 | 0.4 |
 Black Caribbean | 3669 | 0.9 |
 Black African | 2623 | 0.7 |
 Black Other | 103 | 0.0 |
 Chinese | 1153 | 0.3 |
 Others | 3429 | 0.9 |
Country of birth | ||
 UK and Ireland | 361,025 | 92.1 |
 Elsewhere | 31,091 | 7.9 |
Number in household | ||
 1 | 69,862 | 17.8 |
 2 | 183,777 | 46.9 |
 3 | 62,934 | 16.0 |
 4+ | 75,543 | 19.3 |
Education level | ||
 College or university degree | 128,890 | 32.9 |
 A levels/AS levels | 44,650 | 11.4 |
 O levels/GCSEs/CSEs | 108,648 | 27.7 |
 Others | 46,393 | 11.8 |
 None of the above | 63,535 | 16.2 |
Deprivation quartile | ||
 Quartile 1 (most advantaged) | 100,701 | 25.7 |
 Quartile 2 | 99,838 | 25.5 |
 Quartile 3 | 98,380 | 25.1 |
 Quartile 4 (least advantaged) | 93,197 | 23.8 |
Housing tenure | ||
 Own | 352,079 | 89.8 |
 Rent/others | 40,037 | 10.2 |
Urban/rural | ||
 Urban | 334,570 | 85.3 |
 Rural | 57,546 | 14.7 |
Employment status | ||
 In paid employment or self-employed | 230,190 | 58.7 |
 Retired | 128,613 | 32.8 |
 Looking after home and/or family | 10,956 | 2.8 |
 Unable to work because of sickness or disability | 11,111 | 2.8 |
 Unemployed | 6386 | 1.6 |
 Others | 4860 | 1.2 |
Manual occupation | ||
 Non-manual | 199,564 | 50.9 |
 Manual | 30,626 | 7.8 |
 Not in employment | 161,926 | 41.3 |
Healthcare worker | ||
 No | 204,254 | 52.1 |
 Yes | 25,936 | 6.6 |
 Not in employment | 161,926 | 41.3 |
Long-standing illness, disability or infirmity | ||
 No | 268,919 | 68.6 |
 Yes | 123,197 | 31.4 |
Number of chronic conditions | ||
 0 | 147,943 | 37.7 |
 1 | 130,034 | 33.2 |
 2 | 69,222 | 17.7 |
 3 | 28,957 | 7.4 |
 4+ | 15,960 | 4.1 |
Overall health rating | ||
 Excellent | 65,560 | 16.7 |
 Good | 231,672 | 59.1 |
 Fair | 79,347 | 20.2 |
 Poor | 15,537 | 4.0 |
BMI category | ||
 Underweight (< 18.5) | 1928 | 0.5 |
 Normal weight (18.5–24.9) | 129,755 | 33.1 |
 Overweight (25.0–29.9) | 166,979 | 42.6 |
 Obese (≥ 30.0) | 93,454 | 23.8 |
Smoking status | ||
 Never | 217,297 | 55.4 |
 Previous | 136,482 | 34.8 |
 Current | 38,337 | 9.8 |
Alcohol consumption | ||
 Daily or almost daily | 81,567 | 20.8 |
 Three or four times a week | 92,308 | 23.5 |
 Once or twice a week | 100,956 | 25.7 |
 One to three times a month | 43,743 | 11.2 |
 Special occasions only | 43,916 | 11.2 |
 Never (former drinker) | 13,315 | 3.4 |
 Never | 16,311 | 4.2 |
Total | 392,116 | 100.0 |