Table 1

Summary statistics of respondents to invitation to undergo antibody testing (n=4474)

Demographic characteristics
Gender: n (%)Male980 (21.9)
Age: mean (SD)Years42.5 (13.2)
Ethnicity: n (%)Asian/Asian British492 (11.0)
Black/black British79 (1.8)
Chinese21 (0.5)
Mixed66 (1.5)
White UK and ROI3143 (70.3)
White other123 (2.7)
Unknown550 (12.3)
Environmental characteristics
Locations: n (%)Non-clinical2728 (61.0)
Emergency department305 (6.8)
Critical care209 (4.7)
Other clinical locations1232 (27.5)
Clinical characteristics
PCR result: n (%)Positive209 (4.7)
Negative541 (12.1)
Not performed3698 (82.7)
Inconclusive16 (0.4)
Unknown10 (0.2)
Symptoms: n (%)Yes1871 (41.8)
No2547 (56.9)
Unknown56 (1.3)
Antibody result: n (%)Positive777 (17.4)
Negative3697 (82.6)