The purpose of this study is to recruit a total of 386 participants to evaluate theeffectiveness of an educational program to increase the proportion of men and women aged21 years and older who have received the COVID-19 booster vaccine
This study will address vaccine hesitancy, evaluating the intervention's efficacy in a
group of vulnerable and economically disadvantaged population in PR. Randomized Clinical
Trial (study design) to evaluate the effectiveness of an educational intervention to
increase vaccine uptake among socioeconomically disadvantaged adults. A total sample of
386 participants will be recruited. The duration of the study will consist of 1.5 hours
for intervention group and 1 hour for control group.
Eligibility criteria for the study include the following: (1) age 21 years and older, (2)
resident of Puerto Rico, (3) to be fully vaccinated (received the one-dose Jansen/Johnson
& Johnson vaccine, -OR- received both doses of the two-dose Pfizer or Moderna vaccine),
have not received booster doses against COVID-19, (4) no history of allergic reactions to
any vaccine, (5) no history of mental health conditions that impede participation in the
study, and (6) able to read, write, and understand Spanish.
Other: Educational intervention
Randomized Clinical Trial (study design) to evaluate the effectiveness of an educational
intervention to increase vaccine uptake among socioeconomically disadvantaged adults. The
intervention will consist of a health promoter with an educational toolkit addressing
misinformation, distrust, and hesitancy regarding the COVID-19 vaccine. An educational
website with videos addressing COVID-19 vaccine will be available to study participants
to boost information provided in the educational toolkit.
Inclusion Criteria:
1. age 21 years and older
2. resident of Puerto Rico
3. to be fully vaccinated (received the one-dose Jansen/Johnson & Johnson vaccine, -OR-
received both doses of the two-dose Pfizer or Moderna vaccine)
4. have not received booster doses against COVID-19
5. no history of allergic reactions to any vaccine,
6. no history of mental health conditions that impede participation in the study
7. able to read, write, and understand Spanish.
Exclusion Criteria:
1. age 20 years and younger
2. not a resident of Puerto Rico
3. not to be fully vaccinated (have not received the one-dose Jansen/Johnson & Johnson
vaccine, -OR- have not received both doses of the two-dose Pfizer or Moderna
vaccine)
4. have received booster doses against COVID-19
5. history of allergic reactions to any vaccine,
6. history of mental health conditions that impede participation in the study
7. not be able to read, write, and understand Spanish.
Outpatient Clinic, School of Medicine, University of Puerto Rico
San Juan, Puerto Rico
University District Hospital
San Juan, Puerto Rico
Emma Fernandez-Repollet, Ph D, Principal Investigator
Deanship of Academic Affairs RCMI Center for Collaborative Research in Health Disparities