Table 6.
Analysis of the degree of change in variables among the repeat and nonrepeat donors in the web-based intervention group after the intervention.
| Factor | Nonrepeat donors, mean (SD) | Repeat donors, mean (SD) | t test (df) | P value |
| Attitude | 18.19 (2.096) | 18.34 (2.854) | 0.441 (283) | .66 |
| Subjective behavioral norms | 16.36 (2.971) | 16.24 (3.226) | −0.25 (283) | .80 |
| Perceived behavioral control | 54.19 (5.543) | 54.85 (7.430) | 0.693 (283) | .49 |
| Blood donation willingness | 21.88 (3.184) | 22.35 (3.466) | 0.889 (283) | .38 |
| Outcome expectations | 13.45 (1.679) | 14.04 (1.264) | 2.739 (283) | .008 |
| Self-identity | 15.22 (3.391) | 16.11 (3.295) | 1.626 (283) | .11 |
| Blood donation anxiety | 13.06 (1.898) | 13.70 (1.412) | 2.603 (283) | .01 |
| Cognition of the blood donation environment | 30.18 (4.333) | 29.52 (3.650) | −1.082 (283) | .28 |
| Previous blood donation experience | 13.32 (3.493) | 14.26 (3.022) | 1.701 (283) | .09 |
| Total | 195.86 (20.573) | 199.41 (20.824) | 1.068 (283) | .29 |