Table 2.

Factor loadings, the variance not explained for each item, and reliability

Item	F1	F2	F3	F4	Uniqueness
Item_1	0.86				0.25
Item_2	0.74				0.41
Item_3	0.98				0.06
Item_4		0.92			0.26
Item_5		0.74			0.29
Item_6		0.75			0.23
Item_7			0.73		0.22
Item_8			0.98		0.11
Item_9			0.79		0.18
Item_10				0.69	0.24
Item_11				0.93	0.16
Item_12				0.89	0.19
Cronbach alpha (α)	0.90	0.89	0.93	0.92
McDonald’s omega (ω)	0.90	0.89	0.93	0.92

Note. F1 = mistrust of vaccine benefit; F2 = worries about unforeseen future effects; F3 = concerns about commercial profiteering; F4 = preference for natural immunity