TABLE 1.

Independent‐sample t test results of the four factors between first‐time and repeat SWBDs in the survey

Factors	First‐time SWBDs	Repeat SWBDs	t 1582	P
Concern	3.02 ± 0.94	2.80 ± 0.94	3.61	<.001
Perceived knowledge	3.51 ± 1.01	4.19 ± 0.74	−13.08	<.001
Perception of blood need	4.01 ± 0.69	4.02 ± 0.53	−0.32	.746
Donation risk	2.24 ± 0.81	2.12 ± 0.75	2.32	.020

SWBDs, street whole blood donors.