Determinants of Intention to Use Personalized Healthy Eating Information via Generative AI among Physical Activity Participants : An Extension of the Technology Acceptance Model Incorporating Trust and Relevance

This study examined the relationships among trust, relevance, perceived ease of use, perceived usefulness, and intention to use personalized healthy eating information provided by generative AI, focusing on individuals engaged in physical activity. The key findings are summarized as follows. First, trust in personalized healthy eating information provided by generative AI was found to have a positive effect on both perceived ease of use and perceived usefulness. Second, the relevance of personalized healthy eating information provided by generative AI was found to have a positive effect on trust. Third, the relevance of personalized healthy eating information provided by generative AI was found to have a positive effect on perceived usefulness. Fourth, perceived ease of use positively affected perceived usefulness. Fifth, trust in personalized healthy eating information did not significantly influence the intention to use. Sixth, both perceived ease of use and perceived usefulness positively influenced the intention to use personalized healthy eating information provided by generative AI.