Introduction:

Intention of getting vaccinated are governed by positive beliefs and attitudes towards the vaccine and vaccination, as well as others’ opinion about the immunization.

Objective:

Identify the psychological factors associated with the intention to vaccinated against COVID-19 in Mexico, through the evaluation of a theory of planned behavior-based model.

Material and methods:

A sample of 729 adults from different states of the Mexican Republic participated, who were between 18 and 77 years old (mean = 33.57, SD = 14.28). The participants answered an evaluation battery disseminated by social networks. A path analysis was carried out on which absolute and comparative adjustment indices are reported.

Results:

It was identified that 87.2% of the participants reported intentions of getting vaccinated and the best perceived vaccine was the Pfizer-BioNTech. The model showed a good statistical fit and explains 62% of the variance for the intentions to vaccinated against COVID-19.

Conclusion:

Evidence is shown of the importance of beliefs and attitudes about vaccines, vaccination behavior and the opinion of the social group in the intention of getting vaccinated against COVID-19 in Mexican population.