Rudolf Robert, Kim Najung
College of International Studies, Korea University, 145, Anam-ro, Seongbuk-gu, 02841, Seoul, South Korea.
Graduate School of International Studies, Korea University, 145, Anam-ro, Seongbuk-gu, 02841, Seoul, South Korea.
SSM Popul Health. 2024 Oct 22;28:101722. doi: 10.1016/j.ssmph.2024.101722. eCollection 2024 Dec.
•We use longitudinal data and FE-IV technique to identify causal effects of smartphone use on adolescent mental health.•We find that longer smartphone use causes increased depressive symptoms and higher suicidal ideation for girls, not for boys.•Social and active smartphone usage such as communicating with friends and family predicts lower depressive symptoms.•Personal history of depressive symptoms and the timing of puberty moderate the effect of SUT on depressive symptoms.•Addictive smartphone behavior is frequent among adolescents, and more prevalent among girls than boys.
•我们使用纵向数据和固定效应-工具变量法来确定智能手机使用对青少年心理健康的因果效应。
•我们发现,使用智能手机时间越长,女孩的抑郁症状会增加,自杀意念也会增强,而男孩则不然。
•诸如与朋友和家人交流等社交性和活跃性的智能手机使用预示着较低的抑郁症状。
•抑郁症状的个人病史和青春期时间会调节智能手机使用时间对抑郁症状的影响。
•青少年中智能手机成瘾行为很常见,且在女孩中比在男孩中更普遍。