Table 1.

Demographic characteristics of participants (n = 719).

Variables		n	Percentage %
Age group	Total	719	100%
	18–34 years old	130	18.08%
	35–54 years old	468	65.09%
	55–73 years old	121	16.83%
Gender	Total	719	100%
	Male	431	59.94%
	Female	288	40.06%
Dose 1 by vaccines	Total	719	100%
	Astra	354	49.24%
	Moderna	147	20.45%
	Pfizer	183	25.45%
	Others	35	4.87%
Dose 2 by vaccines	Total	719	100%
	Astra	256	35.61%
	Moderna	150	20.86%
	Pfizer	277	38.53%
	Others	36	5.01%
Two doses by vaccines	Total	719	100%
	Two doses are not the same	102	14.19%
	Two doses are Astra	255	35.47%
	Two doses are Moderna	146	20.31%
	Two doses are Pfizer	182	25.31%
	Two doses are Others (same vaccines)	34	4.73%
Consistency of two doses	Total	719	100%
	Two doses are different vaccines	102	14.19%
	Two doses are the same vaccines	617	85.81%
Adverse events	Total	719	100%
	Yes	329	45.76%
	No	390	54.24%