Pearson correlation among variables (N = 280).

Despite significant advances in transplantation technologies, the global gap between organ availability and demand continues to widen. Hong Kong, in particular, reports notably low organ donation rates among developed regions. Understanding the psychological barriers to donation is essential for developing effective interventions, particularly among young adults who represent a crucial demographic for establishing lifelong donation commitments. The present study examined the complex interplay of psychosocial and emotional factors influencing organ donation intentions among Hong Kong university students. A cross-sectional survey was conducted with 280 university students in Hong Kong, using validated instruments to assess multiple psychological constructs: depressive thinking, altruism, death anxiety, self-efficacy, perceived social support, Big Five personality traits, and Buddhist and Karmic beliefs. Hierarchical regression and moderated mediation analyses were performed to identify direct and indirect predictors for organ donation intentions. Results showed that higher death anxiety (β = −.133, p = .036) and stronger Buddhist beliefs emphasizing bodily integrity (β = −.22, p p p