Protective factors against depression in high-risk children and adolescents: a systematic review of longitudinal studies.

Objective: From a preventive perspective, this study reviewed the literature on protective factors against depressive symptoms in high-risk children and adolescents.

Methods: We conducted a thorough search of the PubMed, APA, EMCare, and Embase databases for studies published between 1946 and August 25, 2023. We included only longitudinal studies that analyzed protective factors for depressive symptoms in high-risk children or adolescents, excluding cross-sectional studies, reviews, and pre-clinical studies.