Validation and Standardization of the Generalized Anxiety Disorder Screener (GAD-7) in the General Population

Background: The 7-item Generalized Anxiety Disorder Scale (GAD-7) is a practical self-report anxiety questionnaire that proved valid in primary care. However, the GAD-7 was not yet validated in the general population and thus far, normative data are not available. Objectives: To investigate reliability, construct validity, and factorial validity of the GAD-7 in the general population and to generate normative data. Research Design: Nationally...