Table 5.

Exposure context of antibody-positive individuals and negative controls

In what context might you have been exposed to a COVID-19-affected person?	Antibody-positive (n = 161)		Negative controls (n = 162)
	Number†	%	Number†	%
Work	59	36.6	32	19.8
Home	32	19.9	8	4.9
Public places	27	16.8	17	10.5
Travel	22 (1)‡	13.6	10 (1)‡	6.2
Friends and families	13	8.1	20	12.3
Leisure activities	6	3.7	4	2.5
Gatherings	2	1.2	0	0.0
School/university	1	0.6	2	1.2
No known exposure/unknown	33	22.4	110	74.1

†Participants could give more than one answer to the question, which explains why totals exceed the number of participants

‡Numbers in parentheses indicate the number of participants who have been in contact with another traveler