Background This study investigated the association between daily stress, sleep duration, and attention-deficit or hyperactivity problems (ADH) among teenagers and the moderated mediating effect of positive family relationships.
Methods The data of a nationally representative sample of teenagers were analyzed using regression analyses.
Results Daily stress was positively associated with ADH. Sleep duration partially mediated the association between daily stress and ADH. Positive family relationships moderated the mediating effect of sleep duration. Specifically, the mediating effect decreased with increasing levels of positive family relationships.
Conclusions Based on its results, this study discusses ways to intervene in ADH among teenagers.
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The Moderated Moderation Effect of ADHD Symptoms and Self-Esteem on the Relationship between Daily Life Stress and Depression among Adolescents RaeHyuck Lee STRESS.2026; 34(1): 34. CrossRef
Background This study examines the influence of attention-deficit/hyperactivity on school adjustment among adolescents and investigates the moderated mediation effect of depression on household economic status.
Methods The research hypotheses were tested using data from the Korean Teenagers’ Mental Health Study and analyzed utilizing the PROCESS Macro method.
Results Attention-deficit/hyperactivity had a significant negative impact on students’ school adjustment. Additionally, depression partially mediated the relationship between attention-deficit/hyperactivity and school adjustment. While household economic status did not moderate the influence of attention-deficit/hyperactivity on school adjustment, it did moderate the mediating effect of depression. Specifically, the mediating effect of depression on the relationship between attention-deficit/hyperactivity and school adjustment was more pronounced for adolescents from low-income households than for those from medium- or high- income households.
Conclusions This study discusses the research implications and considerations.