Application of GAD-7 in population screening for generalized anxiety disorder

Generalized anxiety disorder (GAD) is one of the most common anxiety disorders. However, the diagnosis of GAD is difficult, GAD has the lowest diagnostic reliability among anxiety disorders and is often neglected. This article reviews the application of the General Anxiety Disorder-7 (GAD-7) in population screening for GAD, focusing on its history of development and the scope of unilization. Key words: Generalized anxiety disorder; 7-items Generalized Anxiety Disorder Scale(GAD-7)