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A Theory and Evidence-Based Artificial Intelligence-Driven Motivational Digital Assistant to Decrease Vaccine

Yan Li1, Kit-Ching Lee1, Daniel Bressington2

  • 1School of Nursing, The Hong Kong Polytechnic University, Hong Kong 999077, China.

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Summary
This summary is machine-generated.

An AI-powered digital assistant effectively reduced COVID-19 vaccine hesitancy in Hong Kong adults. This tool improved vaccine literacy and confidence through motivational interviewing and educational content.

Keywords:
COVID-19artificial intelligencechatbotmotivational interviewingvaccine hesitancy

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Area of Science:

  • Public Health
  • Health Informatics
  • Behavioral Science

Background:

  • Vaccine hesitancy poses a significant global health threat.
  • Artificial intelligence (AI) chatbots and motivational interviewing show potential for intervention.
  • Addressing COVID-19 vaccine hesitancy is crucial for public health.

Purpose of the Study:

  • To develop and validate an AI-driven motivational digital assistant.
  • To decrease COVID-19 vaccine hesitancy among Hong Kong adults.
  • To enhance vaccine literacy and confidence.

Main Methods:

  • Development and validation followed the Medical Research Council framework.
  • Utilized a logic model based on theory and qualitative interviews (n=15).
  • Incorporated an AI chatbot with motivational interviewing skills across five web modules; expert evaluation (n=5) and pilot testing (n=12) were conducted.

Main Results:

  • Expert evaluation yielded a content validity index of 0.85.
  • Pilot testing demonstrated significant improvements in vaccine literacy (p=0.021) and confidence (p=0.027).
  • The AI digital assistant effectively improved vaccine literacy and confidence.

Conclusions:

  • The AI-driven digital assistant is a valid and effective tool for improving COVID-19 vaccine literacy and confidence.
  • The intervention shows high potential for addressing vaccine ambivalence and facilitating informed decisions.
  • The tool is ready for further evaluation in a randomized controlled trial.