Table 2.

Reasons for non-COVID-19 vaccination and interruption of COVID-19 vaccination

	1st dose
Concerns about safety, such as severe adverse events	1
Unknown evidence about its effectiveness	0
Unknown relief services for adverse health effects	0
Unknown medical procedure for a severe allergic reaction	0
No habit of vaccinations such as flu	0
Not recommended by my friend	0
Unable to receive vaccination due to allergy status	0
Chronic disease	0
Interaction with current medications	0
Schedule did not match	1
Others	0
	2nd does	3rd dose	4th dose
The adverse events were intolerable	0	2	1
I did not feel the effectiveness of the vaccination	0	0	0
I had allergic symptoms	0	0	0
Vaccination impaired physical and mental health	0	1	1
Not recommended by my friend	0	1	0
Chronic disease	0	1	0
Interaction with current medications	0	1	7
Schedule did not match	0	4	4
Others	0	4	13

Numbers in the table indicate the number of respondents

COVID-19, coronavirus disease