Table 2.

Characteristics of the study participants

Characteristics	N	%
Overall	2058
Age mean (SD)	37.8 ± 16.7
Age groups, years
≤ 19	293	14.2
20–29	403	19.6
30–39	366	17.8
40–49	360	17.5
50–59	320	15.5
≥ 60	200	9.7
Missing data	116	5.6
Sex
Male	851	41.4
Female	1207	58.6
Comorbidities
Yes	270	13.1
No	1432	69.6
Don’t know	356	17.3
History of positive PCR testing for SARS-CoV-2
Yes	60	2.9
No	1642	79.8
Don’t know	356	17.3
Presence of symptoms for who those who had a history of positive PCRa
Yes	43	71.6
No	17	28.4

N number; % percentage; SD standard deviation

^aPresence of at least symptoms for participants who had a history of positive PCR testing for SARS-CoV-2