Fig. 2.

Random Utility Based Conceptual Framework for Individual's decision making about Covid-19 vaccination.

Note: The framework combines the (bio) technology acceptance model with the vaccine skepticism framework, and Random Utility Theory. It suggests that observed determinants of vaccine utility combines with unobserved determinants to influence individual subjectively perceived utility from vaccination; this latter in turn identify the chosen position by the individual on the vaccine outcome continuum (Stated vaccine preference).