Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/82109
Title: Knowledge level and motivation of Hong Kong young adults towards blood donation : a cross-sectional survey
Authors: Suen, LKP 
Siu, JYM 
Lee, YM
Chan, EA 
Issue Date: 2020
Source: BMJ open, 2020, v. 10, no. 1, 31865
Abstract: Objectives This study aimed to (1) determine the knowledge level of young adults towards blood donation, and (2) to understand their donor identity and the meanings of blood donation to them. Design A questionnaire-based cross-sectional survey. Setting and participants Undergraduate students of a university in Hong Kong recruited by convenience sampling, at public facilities in campus such as student canteens and the Campus Blood Donor Centre of the university. Outcome measures The questionnaire which consisted of three parts was used for data collection. Part 1 collected sociodemographic information and items associated with blood donation; part 2 related to knowledge on blood donation and part 3 focused on blood donor identity. Univariate and multivariate logistic regression analyses were conducted to determine the OR and identify the predictors for blood donation. Results Among the 542 respondents, 274 were non-blood donors and 268 were blood donors. Blood donors generally have a better knowledge towards blood donation than non-blood donors. The results of univariate analyses indicated that being a female (OR=1.99, p<0.001), aged 22 years or above (OR=234, p<0.001), studying at year 4 or 5 (OR=2.12, p=0.003), studying health-related programmes (OR=1.96, p<0.001), being registered as an organ donor (OR=6.59, p<0.001), had prior experience of receiving blood (OR=7.60, p<0.001) or prior experience of being refused for blood donation (OR=5.14, p<0.001) were significantly associated with being a blood donor. Having prior experience of receiving blood was the strongest predictor for being a blood donor, followed by being registered as an organ donor, after controlling for all other factors in the logistic regression model. Conclusions The findings are consistent with self-determination theory, which hypothesises that people are more likely to abide with blood donation behaviours that are internally rather than externally motivated.
Keywords: Blood bank & transfusion medicine
Health policy
Public health
Publisher: BMJ Publishing Group Ltd
Journal: BMJ open 
EISSN: 2044-6055
DOI: 10.1136/bmjopen-2019-031865
Rights: © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/ This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.
The following publication Suen LKP, Siu JY, Lee YM, et al Knowledge level and motivation of Hong Kong young adults towards blood donation: a cross-sectional surveyBMJ Open 2020;10:e031865, is available at https://doi.org/10.1136/bmjopen-2019-031865
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