Trajectories of posttraumatic stress disorder (PTSD) and posttraumatic growth among victims 6 months after the 2021 Henan floods: predictive roles of social support and short video exposure during the disaster

This study provides preliminary evidence of the distinct roles of social support and short video exposure in relation to PTSD symptoms and PTG trajectories following a disaster, which suggests that longitudinal approaches are important for understanding the evolving impact of both social and media-related factors.