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Assessing the Feasibility of a Text-Based Conversational Agent for Asthma Support: Protocol for a Mixed Methods
Rafael A Calvo1, Dorian Peters1, Laura Moradbakhti1
1Dyson School of Design Engineering, Imperial College London, London, United Kingdom.
JMIR Research Protocols
|February 2, 2023
Summary
A new chatbot uses SMS text messages to help asthma patients manage their condition and improve self-care. This digital tool aims to increase access to professional care and reduce asthma emergencies.
Area of Science:
- Digital health innovations
- Respiratory medicine
- Artificial intelligence in healthcare
Background:
- The UK has the highest asthma death rate in Europe, with many patients lacking adequate professional care.
- Digital innovations, like chatbots, are recommended to improve asthma outcomes and access to care.
- A mobile-based conversational agent can support diverse asthma patient populations at scale.
Purpose of the Study:
- To assess the feasibility and usability of a text-based conversational agent for asthma risk assessment and management.
- To evaluate user engagement, particularly among underserved populations with poor asthma control.
- To determine the chatbot's perceived helpfulness in improving patient understanding and self-management of asthma.
Main Methods:
- Recruitment of 300 adults with asthma via multiple online channels.
- Use of WhatsApp for interaction with the conversational agent over 28 days.
- Pre- and post-intervention questionnaires to measure asthma control and interaction quality.
Main Results:
- A prototype conversational agent was developed and refined with expert and patient feedback.
- Iterative improvements and clinical reviews are ongoing.
- Feasibility study recruitment commenced January 2023, with anticipated completion July 2023.
Conclusions:
- This feasibility study will guide a future pilot and randomized controlled trial.
- The study aims to assess the impact of a conversational agent on asthma outcomes, self-management, and care access.
- Findings will inform the development of digital health tools for improved asthma management.
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