A Pilot Randomized Controlled Trial of Chatbot Use in Older Adults for Lifestyle Change
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: A chatbot-based intervention.
- Who it may be relevant to
- Registry conditions: Healthy Lifestyle. Basic parameters: from 65 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- Hong Kong
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Official title
The Acceptability and Preliminary Effectiveness of Using A Smartphone-delivered AI-Based Chatbot in Older Adults for Lifestyle Modification: A Pilot Randomized Controlled Trial
Overview
The purpose of this study is to evaluate the acceptability and preliminary effectiveness of a smartphone-delivered AI-based chatbot in promoting healthy dietary behavior and physical activity participation among older adults.
Detailed description
The purpose of this study is to evaluate the preliminary effectiveness of a smartphone-delivered AI-based chatbot in promoting healthy dietary behavior and physical activity participation among older adults. It is a preliminary study with two arms.
Interventions
- Other A chatbot-based intervention
A smartphone-delivered AI-based chatbot program designed to provide personalized physical activity and dietary recommendations
Primary outcome measures
- The acceptance of the chatbot among older adults, as measured by a 14-item simplified version of the Senior Technology Acceptance Model questionnaire [Time frame: End of study (2 months)]
- The Usability of the chatbot, as measured by the System Usability Scale [Time frame: End of study (2 months)]
- The user experience, as measured by 10 open-ended questions [Time frame: End of study (2 months)]
Secondary outcome measures (4)
- Change of dietary behavior, as measured by the intake of fruits and vegetables over the last seven days [Time frame: Baseline, end of study (2 months)]
- Change of walking, as measured by the Community Health Activities Model Program for Seniors questionnaire [Time frame: Baseline, end of study (2 months)]
- Change of total activity and moderate and more vigorous physical activity variables, as measured by the CHAMPS-Q [Time frame: Baseline, end of study (2 months)]
- Change of quality of life, as measured by the Hong Kong Quality of Life for Older Persons Scale [Time frame: Baseline, end of study (2 months)]
Eligibility criteria
Inclusion criteria
- aged 65 or above.
- are community-dwelling.
- are proficient in Mandarin.
- have an Internet connection.
- have at least one instant messaging app on the smartphone or agree to download one.
Exclusion criteria
- have any neurocognitive disorders.
- are unable to engage in moderate-intensity level of physical activity due to a preexisting medical condition.
- live with another participant who will participate in this study.
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: Yes
Study design
- Allocation
- Randomized
- Model
- Parallel assignment
- Masking
- Double blind
- Primary purpose
- Health services research
Study locations
Hong Kong · 1 center
- The Hong Kong Polytechnic University — Hong Kong
Identifiers
NCT: NCT06901037 · HSEARS20250305010