Personalization of digital health interventions: challenges and current best practices

The 2024 EHPS roundtable on personalized digital health interventions brought together experts and participants for lively discussions and shared insights. Drawing on survey results and these conversations, this article explores the key challenges in advancing personalization, such as limited theoretical guidance, technical and data complexities relating to the dynamic adaptation of intervention delivery, and keeping users engaged over time. Participants emphasized the urgent need for focused research to better understand long-term engagement, use data science more effectively, and strengthen theoretical foundations. They also highlighted that strong interdisciplinary collaboration and ongoing user involvement are crucial to unlocking the true potential of personalized digital health interventions.