Table 1.
Demographic, household, and occupational characteristics of SIREN participants susceptible to primary infection in second wave of SARS-CoV-2 in England. Values are numbers (percentages)
| Characteristic | Susceptible to primary infection during second wave (n=18 284) |
|---|---|
| Gender: | |
| Female | 15 528 (84.9) |
| Male | 2730 (14.9) |
| Non-binary | 17 (0.1) |
| Prefer not to say | 9 (0.0) |
| Age group: | |
| <25 | 675 (3.7) |
| 25-34 | 3566 (19.5) |
| 35-44 | 4544 (24.9) |
| 45-54 | 5555 (30.4) |
| 55-64 | 3627 (19.8) |
| ≥65 | 317 (1.7) |
| Ethnicity: | |
| Asian | 1207 (6.6) |
| Black | 297 (1.6) |
| White | 16 238 (88.8) |
| Mixed race | 296 (1.6) |
| Other ethnic group | 209 (1.1) |
| Prefer not to say | 37 (0.2) |
| Medical conditions: | |
| No medical conditions | 13 595 (74.4) |
| Immunosuppression | 402 (2.2) |
| Chronic respiratory disease | 2365 (12.9) |
| Chronic non-respiratory disease | 1922 (10.5) |
| Index of Multiple Deprivation fifth*: | |
| 1 (most deprived) | 1936 (10.6) |
| 2 | 3243 (17.7) |
| 3 | 4216 (23.1) |
| 4 | 4341 (23.7) |
| 5 (least deprived) | 4329 (23.7) |
| Unknown | 219 (1.2) |
| Household size: | |
| 1 | 1828 (10.0) |
| 2 | 6068 (33.2) |
| 3 or 4 | 8535 (46.7) |
| ≥5 | 1804 (9.9) |
| Prefer not to say | 49 (0.3) |
| Children in household: | |
| No children | 10 780 (59.0) |
| Children | 7472 (40.9) |
| Prefer not to say | 32 (0.2) |
| Region: | |
| East Midlands | 1803 (9.9) |
| East of England | 2263 (12.4) |
| London | 2065 (11.3) |
| North East | 373 (2.0) |
| North West | 1976 (10.8) |
| South East | 2398 (13.1) |
| South West | 4182 (22.9) |
| West Midlands | 1791 (9.8) |
| Yorkshire and the Humber | 1433 (7.8) |
| Frequency of close proximity to patients with covid-19: | |
| Every shift | 3833 (21.0) |
| Once a week | 3050 (16.7) |
| Once a month | 1651 (9.0) |
| Less than once a month | 2646 (14.5) |
| Never | 7104 (38.9) |
| Occupational setting: | |
| Office | 4002 (21.9) |
| Patient facing (non-clinical) | 687 (3.8) |
| Outpatient | 3273 (17.9) |
| Maternity/labour ward | 193 (1.1) |
| Emergency department†/inpatient ward | 1906 (10.4) |
| Intensive care | 1029 (5.6) |
| Theatres | 324 (1.8) |
| Other | 6870 (37.6) |
| Occupation: | |
| Nurse | 6011 (32.9) |
| Healthcare assistant | 1497 (8.2) |
| Doctor | 1890 (10.3) |
| Midwife | 465 (2.5) |
| Bedside therapist‡ | 572 (3.1) |
| Administrator/executive (office based) | 2953 (16.2) |
| Estates/porters/security | 170 (0.9) |
| Pharmacist | 280 (1.5) |
| Healthcare scientist | 702 (3.8) |
| Student§ | 909 (5.0) |
| Other | 2835 (15.5) |
*
Residential relative deprivation score according to postcode and English Indices of Deprivation 2019.
†
Including ambulance setting
‡
Physiotherapist, occupational therapist, speech and language therapist.
§
Medical student, nursing student, midwifery student, student: other.