Communicating Human Papillomavirus Vaccine With Japanese Parents and Caregivers With Daughters Aged 12-18

Summary

This study aims to comprehensively assess confidence in and acceptance of human papillomavirus (HPV) vaccines among Japanese parents and caregivers with daughters aged 12-18 and their decision-making process.

Conditions

• Healthy

Interventions

BEHAVIORAL

Group 1 (I x S x S x F)

Experimental message: Individual x Safety x Storytelling x Factual

BEHAVIORAL

Group 2 (O x S x S x F)

Experimental message: Organization x Safety x Storytelling x Factual

BEHAVIORAL

Group 3 (I x E x S x F)

Experimental message: Individual x Effectiveness x Storytelling x Factual

BEHAVIORAL

Group 4 (O x E x S x F)

Experimental message: Organization x Effectiveness x Storytelling x Factual

BEHAVIORAL

Group 5 (I x S x S x M)

Experimental message: Individual x Safety x Storytelling x Misinformation

BEHAVIORAL

Group 6 (O x S x S x M)

Experimental message: Organization x Safety x Storytelling x Misinformation

BEHAVIORAL

Group 7 (I x E x S x M)

Experimental message: Individual x Effectiveness x Storytelling x Misinformation

BEHAVIORAL

Group 8 (O x E x S x M)

Experimental message: Organization x Effectiveness x Storytelling x Misinformation

BEHAVIORAL

Group 9 (I x S x D x F)

Experimental message: Individual x Safety x Scientific data x Factual

BEHAVIORAL

Group 10 (O x S x D x F)

Experimental message: Organization x Safety x Scientific data x Factual

BEHAVIORAL

Group 11 (I x E x D x F)

Experimental message: Individual x Effectiveness x Scientific data x Factual

BEHAVIORAL

Group 12 (O x E x D x F)

Experimental message: Organization x Effectiveness x Scientific data x Factual

BEHAVIORAL

Group 13 (I x S x D x M)

Experimental message: Individual x Safety x Scientific data x Misinformation

BEHAVIORAL

Group 14 (O x S x D x M)

Experimental message: Organization x Safety x Scientific data x Misinformation

BEHAVIORAL

Group 15 (I x E x D x M)

Experimental message: Individual x Effectiveness x Scientific data x Misinformation

BEHAVIORAL

Group 16 (O x E x D x M)

Experimental message: Organization x Effectiveness x Scientific data x Misinformation

Sponsors & Collaborators

• London School of Hygiene and Tropical Medicine

  collaborator OTHER

• Nagasaki University

  collaborator OTHER

• The University of Hong Kong

  lead OTHER

Principal Investigators

• Leesa Lin, PhD · London School of Hygiene and Tropical Medicine

Study Design

Allocation

RANDOMIZED

Purpose

HEALTH_SERVICES_RESEARCH

Masking

TRIPLE

Model

FACTORIAL

Eligibility

Min Age

20 Years

Sex

FEMALE

Healthy Volunteers

Yes

Timeline & Regulatory

Start

2023-12-22

Primary Completion

2024-01-22

Completion

2024-01-22

Countries

• United Kingdom

Study Locations