Table A1.

Demographic characteristics of the participants (N = 2196)

Variables	Options	Frequency (%)
Gender	Male	402 (18.3%)
	Female	1794 (81.7%)
Region	Urban	561 (25.5%)
	Rural	1635 (74.5%)
Education	Technical secondary school education and higher vocational school education	1516 (69%)
	Undergraduate and graduate education	680 (31%)
Grade	First grade	991 (45.1%)
	Second grade	916 (41.7%)
	Third grade	246 (11.2%)
	Fourth grade and above	43 (2%)
Specialty	Nursing	1414 (64.4%)
	Pharmaceutics	349 (15.9%)
	Rehabilitation Technology	152 (6.9%)
	Others	281 (12.8%)
Have you been vaccinated against COVID-19?	Yes	83 (3.8%)
	No	2113 (96.2%)
Would you like to take the COVID-19 vaccine if it is available now?	Yes	1209 (57.2%)
	No	174 (8.2%)
	Undecided	730 (34.5%)
Vaccine hesitancy	No	1292 (58.8%)
	Yes	904 (41.2%)
Access to COVID-19 vaccine information	WeChat, QQ, Weibo and other social networks	1812 (82.5%)
	Television broadcasting	1705 (77.6%)
	Health care personnel	1434 (65.3%)
	Classmates, friends, colleagues, families	1378 (62.8%)
	Publicity in public places	1142 (52%)
	Newspapers and periodicals	857 (39%)