A Pilot Randomized Controlled Trial of Chatbot Use in Older Adults for Lifestyle Change

The Acceptability and Preliminary Effectiveness of Using A Smartphone-delivered AI-Based Chatbot in Older Adults for Lifestyle Modification: A Pilot Randomized Controlled Trial

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.

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.

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.