Cross-lagged analysis of depression symptoms and internet addiction tendencies among first-year university students and the moderating effects of urban–rural background and sibling status
Objective To reveal the reciprocal predictive relationship between depressive symptoms (PHQ-9) and internet addiction tendencies (IAT) among first-year university students, and to compare differences across urban-rural backgrounds and only-child status, providing a basis for targeted interventions. Methods This study c...