Community members ages 18 - 45 years old from the El Paso, Texas, U.S.-Mexico Border Region will be recruited to compare psychoeducational multimedia interventions focused on the human papillomavirus (HPV). Our hypothesis is that adults who view culturally tailored multimedia stories encouraging HPV vaccination will report higher vaccine uptake rates.
A sample of vaccine-naive (unvaccinated or under-vaccinated) adult community members ages 18 - 45 years old from the El Paso, Texas, U.S.-Mexico Border Region, will be recruited to participate in a human papillomavirus (HPV) multi-media intervention. Hypothesis: Vaccine-eligible adults who view culturally tailored multimedia stories encouraging HPV vaccination will report significantly stronger vaccine intentions and, subsequently, significantly higher vaccine uptake rates when compared to vaccine-eligible adults exposed to a standard HPV vaccination fact sheet and generic HPV vaccine videos.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
63
The culturally tailored multimedia psychoeducational intervention will involve audio and visual content and will be delivered in a bilingual fashion (English and Spanish) among adults 18-45 years-old.
The general/publicly available multimedia intervention will involve audio and visual content and will be delivered in a bilingual fashion (English and Spanish) among adults 18-45 years-old.
The University of Texas at El Paso, Border Biomedical Center
El Paso, Texas, United States
Number of Participants With Human Papillomavirus (HPV) Vaccine Uptake After the Survey
Human Papillomavirus (HPV) vaccine uptake was assessed using the self-reported question, "Since completing the initial survey, I have been vaccinated against HPV," which measured whether participants received the HPV vaccine after survey completion. The outcome was treated as a binary variable (Yes/No), with higher proportions indicating greater HPV vaccine uptake following the intervention.
Time frame: 1-month post-intervention
Changes in Human Papillomavirus (HPV) Vaccination Intention Score
Human Papillomavirus (HPV) vaccination intention was assessed using a self-reported Likert-scale item measuring participants' intention to receive the HPV vaccine. Responses were recorded on a 5-point scale ranging from 1 ("Strongly disagree") to 5 ("Strongly agree"), with higher scores indicating greater intention to receive HPV vaccination. Changes in HPV vaccination intention scores from baseline to follow-up were compared between intervention and control groups.
Time frame: baseline to 0 month post intervention (right after the survey)
Human Papillomavirus (HPV) Vaccine Attitude Score
Human Papillomavirus (HPV) vaccine attitudes (perceived safety, perceived harm, perceived effectiveness) measured using an 11-item scale, scored on a Likert scale from Strongly disagree (1) to Strongly agree (5). A composite score was calculated by averaging responses across all assessed items, ranging from 1 to 5, with higher scores indicating more positive attitudes toward HPV vaccination.
Time frame: Baseline
Human Papillomavirus (HPV) Vaccine Attitude Score
Human Papillomavirus (HPV) vaccine attitudes (perceived safety, perceived harm, perceived effectiveness) measured using an 11-item scale, scored on a Likert scale from Strongly disagree (1) to Strongly agree (5). A composite score was calculated by averaging responses across all assessed items, ranging from 1 to 5, with higher scores indicating more positive attitudes toward HPV vaccination.
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Time frame: 0 month post intervention
Human Papillomavirus (HPV) Vaccine Attitude Score
Human Papillomavirus (HPV) vaccine attitudes (perceived safety, perceived harm, perceived effectiveness) measured using an 11-item scale, scored on a Likert scale from Strongly disagree (1) to Strongly agree (5). A composite score was calculated by averaging responses across all assessed items, ranging from 1 to 5, with higher scores indicating more positive attitudes toward HPV vaccination.
Time frame: 1 month post intervention
Human Papillomavirus (HPV) Knowledge Score
The Human Papillomavirus (HPV) knowledge score was measured using a 14-item scale, with responses coded as True = 1 and False = 0. Item scores were averaged to create a composite score and multiplied by 100 to yield a percentage score. A composite score was calculated by averaging responses across all assessed items and multiplying the result by 100 to obtain a percentage score, ranging from 0 to 100, with higher scores indicating greater HPV-related knowledge.
Time frame: Baseline (pre-assessment)
Human Papillomavirus (HPV) Knowledge Score
The Human Papillomavirus (HPV) knowledge score was measured using a 14-item scale, with responses coded as True = 1 and False = 0. Item scores were averaged to create a composite score and multiplied by 100 to yield a percentage score. A composite score was calculated by averaging responses across all assessed items and multiplying the result by 100 to obtain a percentage score, ranging from 0 to 100, with higher scores indicating greater HPV-related knowledge.
Time frame: 0 month post intervention
Human Papillomavirus (HPV) Knowledge Score
The Human Papillomavirus (HPV) knowledge score was measured using a 14-item scale, with responses coded as True = 1 and False = 0. Item scores were averaged to create a composite score and multiplied by 100 to yield a percentage score. A composite score was calculated by averaging responses across all assessed items and multiplying the result by 100 to obtain a percentage score, ranging from 0 to 100, with higher scores indicating greater HPV-related knowledge.
Time frame: 1 month post intervention