Table 5.

Comparison of variable changes in blood donors with different blood donation times after the web-based intervention.

Factor	0 time, mean (SD)	1 time, mean (SD)	2 times, mean (SD)	≥3 times, mean (SD)	F test (df)	P value
Attitude	0.63 (2.018)	0.69 (2.303)	0.98 (2.201)	−0.40 (3.376)	1.673 (282)	.17
Subjective behavioral norms	1.21 (3.464)	1.04 (3.002)	1.63 (2.705)	0.20 (4.873)	1.358 (282)	.26
Perceived behavioral control	3.17 (5.239)	2.46 (5.203)	3.04 (4.800)	−1.07 (11.835)	2.484 (282)	.06
Blood donation willingness	0.33 (3.046)	0.89 (3.148)	1.57 (2.595)	−0.40 (4.469)	2.845 (282)	.04
Outcome expectations	0.42 (1.613)	0.45 (1.576)	0.71 (1.527)	0.27 (1.668)	0.822 (282)	.48
Self-identity	−0.67 (2.729)	0.00 (4.334)	0.01 (3.121)	0.40 (2.501)	0.315 (282)	.82
Blood donation anxiety	−0.46 (2.126)	0.66 (1.749)	1.00 (1.698)	−0.13 (1.685)	5.637 (282)	.001
Cognition of the blood donation environment	1.25 (3.904)	1.17 (3.657)	3.16 (3.626)	1.73 (4.284)	6.166 (282)	<.001
Previous blood donation experience	−1.54 (3.189)	0.34 (3.087)	−0.17 (2.857)	−0.33 (2.870)	2.796 (282)	.04
Total	4.33 (13.786)	7.7 (18.078)	11.93 (14.852)	0.27 (26.980)	3.210 (282)	.02