Supporting materials for The impact of the COVID-19 pandemic on self-harm and suicidal behaviours in children and young people: a systematic review

The deposit contains the completed PRISMA 2020 checklist and PRISMA 2020 flow diagram for this review, together with key supporting materials (full database search strategies, screening form, and data extraction template). These materials document how the review was conducted and allow readers to understand and replicate the search, selection and extraction process.

本存档包含本次系统评价所用的已完整填写的系统评价与Meta分析优先报告条目2020版（PRISMA 2020）清单及PRISMA 2020流程图，同时附带核心辅助材料，包括完整的数据库检索策略、文献筛选表与数据提取模板。上述材料完整记录了本次系统评价的实施流程，可帮助读者理解并复现检索、文献筛选及数据提取的全流程。