Conclusions: Web SAQ leads to higher reporting rates of readily available substances, illicit drugs, and life events in adolescents as compared with those of paper SAQ.

• 结论：网路版问卷相对于纸笔版问卷，可以提升青少年对于物质使用（包括容易取得的物质与非法药物）和生活事件的陈报率。