Developmental trajectories and dynamic associations between loneliness and non-suicidal self-injury in adolescents: the longitudinal mediating role of mobile phone dependence
This study aimed to examine the developmental trajectories and longitudinal associations among loneliness, non-suicidal self-injury (NSSI), and mobile phone dependence in adolescents. A three-wave longitudinal survey was conducted over three years, with approximately 12-month intervals. A total of 941 first-year junior...