Table 2.

Key characteristics of studies included in this systematic review.

Authors	Year of Publication	Journal	Country	Vaccine Hesitancy %	Sample	N
Guillon and Kergall [6]	2021	Public Health	France	60.6	adult general population	1146
Badr et al. [10]	2021	Vaccines	USA	43.5	adult general population	1208
Chen et al. [11]	2021	Journal of Medical Internet Research	China	44.3	adult general population	2531
Du et al. [12]	2021	Frontiers in Medicine	China	8.44	reproductive women	3011
Griva et al. [13]	2021	Vaccines	Singapore	9.9	adult general population	1623
Hosek et al. [14]	2022	Vaccines	USA	19.4	students	1030
Hossain et al. [15]	2021a	PLoS ONE	Bangladesh	46.2	adult general population	1497
Hossain et al. [16]	2021b	Frontiers in Public Health	Bangladesh	41.1	adult general population	1497
Huynh et al. [17]	2022	Postgraduate Medicine	Vietnam	26.2	parents	1015
Jain et al. [18]	2021	Epidemiology and Infection	India	10.6	students	1068
Le et al. [19]	2022	BMC Public Health	Vietnam	40.4	students	911
Lee and You [20]	2022	Journal of Medical Internet Research	South Korea	53.3	adult general population	1016
Rehati et al. [21]	2022	Vaccines	China	31.6	students	9153
Toth-Manikowski et al. [22]	2022	American Journal of Infection Control	USA	15	health care workers	1974
Walsh et al. [23]	2022	Acta Psychologica	Ireland, UK	24.75	adult general population	1079
Wang et al. [24]	2022	Vaccines	China	56.4	patients	483
				$\underset{\_}{X}$ = 33.23, SD = 17.35		$\underset{\_}{X}$ = 1890.13, SD = 2039.1