2001, Number 4
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ABSTRACTObjective: To identify factors that influence refusing to donating blood. Material and Methods. Prospective case and control study. Hospitalized patients' relatives were interviewed with a questionnaire to evaluate their knowledge of blood and personal attitudes toward blood donation. Cases were all relatives who did not donate blood and controls who did. Results. A total of 121 individuals was studied, 30 cases and 91 controls. Age of the cases was 32.3±8.1 years and controls was 28.8±7.9 years (p=0.04). Risk factors were female sex (OR=6.3; 95% .CI 2.4 to 17.1), being married (OR=3.7 95% CI 1.3 to 10.5). No differences were present between the two groups in level of knowledge concerning blood. The average of positive attitudes toward blood donation was greater among relatives who donated blood (cases 5.9±1.6; controls 6.4±1.2; P=0.049). Among the attitudes that influence refusing to donate blood were fear of getting dizzy at the sight of blood (OR=5.2, 95% CI 1.3-21.4), fear of donating blood (OR=2.2, 95% C, 0. 8-6.0), and getting nervous at the sight of blood (OR=4. 1, 95% CI% 1. 5 -10.9). Conclusions. Among patient's relatives who donate blood positive personal attitudes toward blood donation have more weight than knowledge on the subject.
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