Acceptability and attributes of the COVID-19 vaccine: an application of the diffusion of innovation theory in the Philippines

Engracia Arceo, Genevieve Dizon, Michael Dizon, Nestor Sibug, James Ryan Mendoza, Raphael Enrique Tiongco

Abstract


With the Philippines’ experience on vaccine hesitancy, the study aimed to determine the acceptability of COVID-19 vaccination in the country and understand its attributes using the Diffusion of Innovation (DoI) Theory.  The cross-sectional study included 327 respondents recruited for four weeks through various social media platforms. Participants were requested to answer a self-administered online questionnaire. Majority of the respondents belong to age group 21-30 (46.2%), mostly female (65.4%), relatively healthy (86.2%), college graduate (37.6%), and currently unemployed (50.8%). While the majority have the intention to get vaccinated against COVID-19 (70.0%), only 16.8% are innovators belonging to the age group 21-30 (p value = 0.03), male (p value <0.001), and employed (p value= 0.01). Relative advantage (p value <0.001), compatibility (p value <0.001), observability (p value <0.001), and perceived risk (p value <0.001) are significantly associated with the intention for COVID-19 vaccination and adopter category. Findings prove that the attributes of DoI are predictors for the acceptability and timing of COVID-19 vaccination. Strategies that promote trust, information transparency, and better information dissemination on the benefits and safety of vaccination can motivate more Filipinos to adopt the innovation.


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DOI: http://doi.org/10.11591/ijphs.v11i4.21788

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