老年人自杀风险与保护因素：一项伞状综述及多维度自杀风险评估框架

Introduction Suicidality in older adults is a major public health concern influenced by psychiatric, psychological, physical, functional, social, and socioeconomic factors. However, the evidence remains fragmented, and protective factors have received substantially less attention than risk factors. Methods This umbrella review followed JBI methodology and was reported in accordance with the PRISMA 2020 statement. PubMed, Scopus, and Web of Science were searched from inception to 30 June 2026 for systematic reviews and/or meta-analyses examining risk or protective factors for suicidal ideation,