The goal of this study is to learn if an innovative digital artificial intelligence (AI)-based communication tool works to enhance health literacy among Japanese caregivers regarding Human Papillomavirus (HPV) vaccination. Participants will: * Answer a pre-intervention survey, get information regarding HPV vaccination from an AI-based chatbot or leaflet, and answer a post-intervention survey. * Continue interacting with the chatbot or leaflet for two weeks. * Answer a follow-up survey.
This study will evaluate the efficacy and feasibility of an AI-driven chatbot in enhancing caregivers' health literacy about HPV vaccination and examines its impact on informed decision-making concerning their daughters' vaccination through a randomized controlled trial (RCT). To achieve this, the study will undertake the following interconnected activities: 1. Randomized Controlled Trial Participants will be randomly assigned to either the control or intervention group. Those in the control group will spend 5-10 minutes reading a publicly accessible HPV vaccination leaflet prepared by the MHLW, serving as the standard of care. Conversely, participants in the intervention group will be invited to interact with the chatbot for 5-10 minutes, posing inquiries (n\>10) about HPV vaccination policies and related topics in Japan. Pre- and post-intervention assessments, as detailed below, will be administered to evaluate the chatbot's effectiveness and feasibility to counter HPV vaccine misinformation and support caregivers' vaccination decision-making processes. 2. Pre- and post-intervention assessments Following informed consent and enrollment, participants will complete a pre-intervention survey to establish baseline data. Post-intervention survey will be introduced at two touchpoints: the first is directly after spending time with either a leaflet (control) or a chatbot (intervention), and the second is two weeks after the first touchpoint. The surveys are designed to assess the chatbot's effectiveness in enhancing caregivers' digital health literacy about HPV vaccination and facilitating informed vaccine decision-making.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE
Enrollment
804
A tailored Japanese HPV vaccination chatbot.
A publicly accessible HPV vaccination leaflet prepared by the Ministry of Health, Labour, and Welfare.
London School of Hygiene and Tropical Medicine
London, United Kingdom
health literacy
Health literacy related to HPV vaccination will be measured by changes in caregivers' scores on questions concerning facts about HPV vaccines and associated health information. The score consists of 7 factual questions, with total scores ranging from 0 to 7 based on the number of correct responses. Higher scores indicate greater literacy. This metric will be evaluated by determining the proportion of respondents who correctly answer these questions, reflecting their understanding and knowledge.
Time frame: 2 weeks
decision-making
Decision-making regarding HPV vaccination will be evaluated based on changes in the uptake status of HPV vaccines among caregivers' daughters. This will be measured by the proportion of respondents who answer 'Yes' to the question, 'Have you decided to vaccinate your daughter against HPV?' Response options will include 'Yes' and 'No.'
Time frame: 2 weeks
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