Effectiveness of Vaccine Chatbot on HPV Vaccine Awareness and Vaccination in China

ConditionHPV Vaccine
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexFemale
Age10-16
SponsorFudan University

About this trial

This interventional study targets female students in junior middle school. It goal is to evaluate the effectiveness of a vaccine chatbot on HPV vaccine awareness and vaccination. The main questions it aims to answer are:

1. How will the novel digital tool, a vaccine chatbot, impact eligible parents' awareness and knowledge of HPV vaccines, their willingness to vaccinate their daughters, and vaccination status of female students. 2. How is the vaccine chatbots accepted by all stakeholders, and what are the facilitators of and barriers to implementing vaccine chatbot promotion campaign.

The intervention group will go through the intervention measure while the control group will not:

1. The intervention group will be invited to use the HPV vaccine chatbot online through WeChat , the mostly widely used social media platform in mainland China, or any web browsers. They can ask any questions related to the HPV vaccine and get validated answers from the chatbot immediately. The intervention lasts two weeks, with invitations sent every four days to reinforce the intervention. 2. The control group will not use the chatbot during the intervention duration.

Researchers will compare participants' HPV vaccine awareness, and vaccination intention and status after intervention between intervention group and control group to evaluate if the vaccine chatbot improves HPV vaccine awareness and vaccination.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Parents of female students in middle school;

The students not vaccinated or appointed for HPV vaccination and without contraindications to HPV vaccines;

Without mental disorders or visual/reading impairments, and able to cooperate with and undergo the intervention activities;

Obtained informed consent and willing to participate in the study.

Disqualifiers

Students vaccinated or appointed for HPV vaccination or with any contraindication to HPV vaccines;

With mental disorders or visual/reading impairments, and unable to cooperate with and undergo the intervention activities;

Unwilling to participate.

Trial design

Design model

Parallel

Treatments tested in this trial

  • Vaccine chatbot that offering HPV vaccine-related information

    Other intervention

    The intervention group will be invited to use the HPV vaccine chatbot online through WeChat or any web browsers, where they can ask any questions related to the HPV vaccine and get previously validated answers from the chatbot immediately. All the answers will be drawn from a database, whose content were obtained from official websites of Chinese government, HPV vaccine enterprises, and International organizations like WHO, and had been validated by experts. The intervention lasts two weeks, with invitations sent every four days to reinforce the intervention.

Treatment groups

1,800 Participants
are divided into 2 treatment groups
Group A: HPV Chatbot Intervention groupExperimental treatment 1 intervention
Group B: Control groupNo intervention 0 interventions

Trial outcomes

Primary outcomes

1

HPV vaccination status and appointment

whether participants' daughters get vaccinated against HPV or have an appointment for vaccination, measured by self-report and validated by vaccination information system

Time frame
Two weeks and four months after the baseline

Secondary outcomes

1

Willingness to vaccinate

Parents' willingness to vaccinate their daughters against HPV, measured using a five-point Likert scale from "very unwilling" to "very willing"

Time frame
Two weeks between baseline and follow-up surveys
2

HPV vaccine awareness and knowledge

10 questions about HPV vaccine knowledge and misinformation. Total knowledge score is calculated based on the number of questions answered correctly by the participants.

Time frame
Two weeks between baseline and follow-up surveys
3

HPV vaccine confidence

Vaccine Confidence Index (VCI), including confidence on vaccine importance, effectiveness and safety

Time frame
Two weeks between baseline and follow-up surveys
4

Healthcare consultation

Assessment of parental engagement in seeking medical advice about vaccinating their daughter with the HPV vaccine during the two weeks leading up to the follow-up survey.

Time frame
Two weeks after the baseline

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Fudan University

Lead sponsor

The University of Hong Kong

Collaborator