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- Title
A randomized controlled trial of a tablet-based intervention to address predonation fears among high school donors.
- Authors
France, Christopher R.; France, Janis L.; Kowalsky, Jennifer M.; Conatser, Robert; Duffy, Louisa; Barnofsky, Natalie; Kessler, Debra; Shaz, Beth
- Abstract
<bold>Background: </bold>Prior studies have shown donation-related fear to be associated with decreased donor confidence and an increased risk for vasovagal reactions. This study examined the effects of a predonation intervention that provided fearful donors with suggestions for coping.<bold>Study Design and Methods: </bold>Using a tablet-based application, high school donors (49.4% female) answered a question regarding their fear of having blood drawn. Those who reported fear were randomly assigned to either a control (n = 930) or an intervention (n = 911) group. Donors in the control group rated their confidence in dealing with their fear and then donated as usual. Donors in the intervention group received a brief audiovisual presentation on coping strategies, rated their confidence, and then donated as usual.<bold>Results: </bold>A higher proportion of fearful versus nonfearful donors experienced a vasovagal reaction, even after controlling for other demographic and health predictors (OR, 2.3; 95% CI, 1.655-3.185, p < 0.001). Fearful donors who received the intervention reported greater confidence than controls, but the proportion of vasovagal reactions did not differ significantly between the intervention (6.1%) and control (6.8%) groups.<bold>Conclusion: </bold>Although the current tablet-based intervention may have some psychological benefit in that it was associated with greater donor confidence, the observed effect was small and did not translate into a lower risk for vasovagal reactions. However, greater confidence among young donors may lead to an increased willingness to donate again-a potential outcome that we will revisit among these donors as part of a planned 2-year follow-up.
- Subjects
RANDOMIZED controlled trials; HIGH schools; FEAR; AUDIOVISUAL presentations; SYNCOPE; RESEARCH; MULTIMEDIA systems; POCKET computers; MOBILE apps; RESEARCH methodology; MEDICAL cooperation; EVALUATION research; COMPARATIVE studies; VAGUS nerve diseases
- Publication
Transfusion, 2020, Vol 60, Issue 7, p1450
- ISSN
0041-1132
- Publication type
journal article
- DOI
10.1111/trf.15790