In this project, we will train a ChatGPT to provide real-time answers to questions related to the SIV for older adults in Hong Kong. This study aims to evaluate the usability, acceptability, and preliminary effectiveness of the ChatGPT among 50 community-living people aged 65 years and above in Hong Kong. The primary objectives are to evaluate the usability and acceptability (including the extent of usage and subjective experiences of behavioural, cognitive, and affective engagement) of the ChatGPT at the end of the 4-week intervention period (T1). The secondary objectives are to evaluate the following conditions measured at T1, as compared to those measured at baseline (T0): 1. Self-reported uptake of SIV in the past month. 2. Changes in behavioural intention to receive SIV for the approaching flu season. 3. Changes in knowledge and attitudes related to SIV.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
50
Participants will be invited to use a trained ChatGPT which answers questions related to seasonal influenza vaccination. The functions can be used repeatedly throughout the intervention period (4 weeks), and participants will be free to spend as much time as they want on such functions.
Perceived usability
Perceived usability assessed by the validated Chinese version of the 10-item Perceived Usability Scale (SUS)
Time frame: 1 month
Extent of usage documented by the ChatGPT
Extent of usage documented by the ChatGPT
Time frame: 1 month
Subjective experiences related to behavioural, cognitive, and affective engagement
Subjective experiences related to behavioural, cognitive, and affective engagement measured by the validated Twente Engagement with eHealth Technologies Scale (TWEETS)
Time frame: 1 month
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