Developmental Trajectories of Adolescent Digital Stress: Digital-Use Predictors and Mental Health Outcomes.

Digital stress among adolescents is prevalent and likely fluctuates over time. However, existing research has paid limited attention to the developmental course of digital stress and its heterogeneity across individuals. This study investigated developmental trajectories of adolescent digital stress and further examined their digital-use predictors and mental health outcomes. A sample of 818 Chinese middle-school students (Wave 1: Mage = 12.75, SD = 0.75; 50.1