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Assistive Conversational Agent for Health Coaching: A Validation Study.

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This study introduces CoachAI, a human-virtual agent system for health coaching. Engaged users showed higher adherence to health interventions delivered via conversational agents, enhancing behavioral modification for better health outcomes.

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Area of Science:

  • Digital Health
  • Human-Computer Interaction
  • Behavioral Science

Background:

  • Poor lifestyle choices are significant health risk factors, contributing to chronic conditions.
  • Existing lifestyle applications lack tailored social support and struggle to address user emotional needs.
  • Virtual coaching often fails to provide comprehensive support, necessitating innovative solutions.

Purpose of the Study:

  • To design and validate CoachAI, a conversational agent-assisted health coaching system.
  • To leverage a human-virtual agent mediated approach for delivering health interventions.
  • To explore the role of conversational agents in supporting behavioral modification and adherence.

Main Methods:

  • Development of CoachAI, a text-based conversational agent system bridging remote coaches and users.
  • Implementation of a finite state machine automaton for natural language interaction.
  • Validation through a 1-month study focusing on physical activity, diet, and stress coping.

Main Results:

  • The study validated the technological aspects of the human-virtual agent mediated health coaching system.
  • User engagement positively correlated with adherence to conversational agent activities.
  • Findings provided insights into tailoring social support through conversational agents in health coaching.

Conclusions:

  • Human-conversational agent mediated systems offer a viable approach for tailored health coaching.
  • Conversational agents can effectively deliver health-promoting microactivities and assist human caregivers.
  • User engagement and adherence are key factors for success in technology-driven health interventions.