Donating blood and organs : using an extended theory of planned behavior perspective to identify similarities and differences in individual motivations to donate

Hyde, Melissa K., Knowles, Simon R., & White, Katherine M. (2013) Donating blood and organs : using an extended theory of planned behavior perspective to identify similarities and differences in individual motivations to donate. Health Education Research, 28(6), pp. 1092-1104.

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Due to the critical shortage and continued need of blood and organ donations (ODs), research exploring similarities and differences in the motivational determinants of these behaviors is needed. In a sample of 258 university students, we used a cross-sectional design to test the utility of an extended theory of planned behavior (TPB) including moral norm, self-identity and in-group altruism (family/close friends and ethnic group), to predict people’s blood and OD intentions. Overall, the extended TPB explained 77.0% and 74.6% of variance in blood and OD intentions, respectively. In regression analyses, common contributors to intentions across donation contexts were attitude, self-efficacy and self-identity. Normative influences varied with subjective norm as a significant predictor related to OD intentions but not blood donation intentions at the final step of regression analyses. Moral norm did not contribute significantly to blood or OD intentions. In-group altruism (family/close friends) was significantly related to OD intentions only in regressions. Future donation strategies should increase confidence to donate, foster a perception of self as the type of person who donates blood and/or organs, and address preferences to donate organs to in-group members only.

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3 citations in Scopus
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4 citations in Web of Science®

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ID Code: 65604
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: organ donation, blood donation, theory of planned behavior, self-identity, moral norm, in-group altruism
DOI: 10.1093/her/cyt078
ISSN: 1465-3648
Subjects: Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Social and Community Psychology (170113)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2013 Oxford University Press
Copyright Statement: This is a pre-copyedited, author-produced PDF of an article accepted for publication in Health Education Research following peer review. The definitive publisher-authenticated version Health Educ. Res. (2013) 28 (6): 1092-1104. doi: 10.1093/her/cyt078 is available online at:
Deposited On: 02 Jan 2014 02:17
Last Modified: 02 Jan 2015 07:01

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