One of the major treatments for many diseases is organ transplantation. The objective of this study was to determine factors related to register as organ donors among Iranian college student based on the theory of planned behavior. This cross-sectional study was conducted on 320 college students in Hamadan University of medical sciences. Participants filled out a standard self-administered questionnaire including the expanded theory of planned behavior components. Data were analyzed by SPSS

more »

... ion 21 using correlation, linear and logistic regression statistical tests at 95% significant level. Our result showed 6.6% of participants reported registered as an organ donor card. The most of participants have reported save people life most effective factor that motivation them to register as an organ donor card. The TPB variable, accounted for 33% of the variation in the outcome measure of the intention to organ donor card registered. The best predictor for organ donor card registered was subjective norm with odds ratio estimate of 1.23 [95% CI: 1.04, 1.44]. Comprehensive educational programs need to emphasize on psychological factors that mediate and predict behaviors. According to the results, donor organ associated with subjective norms in community; It seems special attention to importance culture in the organ donation to save human lives utilizes by influence persons at community, could be benefit results.