Table 1.

Demographic characteristics of the participants receiving the first dose of COV2-vaccination (n = 462).

Qualitative variables		AstraZeneca		COVIran Barekat		Sinopharm		Total
		Frequency	Percentage	Frequency	Percentage	Frequency	Percentage	Frequency	Percentage
Sex	Female	63	44.7	62	40.0	79	47.6	204	44.2
	Male	78	55.3	93	60.0	87	52.4	258	55.8
	Total	141	100	155	100	166	100	462	100
Infection history	Negative	120	85.1	144	92.9	149	89.8	413	89.4
	Positive	21	14.9	11	7.1	17	10.2	49	10.6
	Total	141	100	155	100	166	100	462	100
		Median (IQR 25–75)
		AstraZeneca		COVIran Barekat		Sinopharm		Total
Age (years)		33 (27–40)		40 (31–50)		38 (30–45)		37 (30–45)

SD, standard deviation.