Fear of blood draw and total draw time combine to predict vasovagal reactions among whole blood donors.

Background: Fear of blood draws is a predictor of vasovagal reaction risk among whole blood donors, and this relationship is particularly evident among less experienced donors. This study examines the combined effect of donor fear and total blood draw time on vasovagal reactions.

Study Design And Methods: After successfully completing the blood donor health screening, 2730 whole blood donors attending high school drives were asked about their fear of having blood drawn.

Fear of blood draws, vasovagal reactions, and retention among high school donors.

Background: We previously demonstrated that fear of having blood drawn is one of the strongest known predictors of vasovagal reactions among high school blood donors. This report examines the combined effects of donor fear and experience of vasovagal reactions on repeat donation attempts among high school blood donors.

Study Design And Methods: Immediately after completing the blood donor health screening, 1715 high school students were asked about their fear of having blood drawn.

How afraid are you of having blood drawn from your arm? A simple fear question predicts vasovagal reactions without causing them among high school donors.

Background: We previously demonstrated in a group of mostly experienced blood donors that fear of blood draws was a significant predictor of vasovagal reactions. Importantly, being asked about one's fear immediately before donation did not increase reaction rates. This study further evaluates the relationship between fear and reactions among high school blood donors, who are known to be at a relatively greater risk for vasovagal reactions.