Tools used to estimate the prevalence of generalized anxiety disorder in populations: a scoping review.

ABSTRACT:

Aims

Generalized anxiety disorder (GAD) is characterized by persistent worry and physical symptoms, with prevalence estimates ranging from 0.8% to 8%. Researchers utilize various tools, such as standardized diagnostic interviews and self-report questionnaires, to estimate GAD prevalence in population-level studies. However, the diagnostic accuracy of these tools varies greatly. This scoping review aimed to identify the tools used for GAD prevalence estimation and assess the extent to which diagnostic tool accuracy is reported.

Methods

A systematic search was conducted in MEDLINE, Embase and PsycINFO using MeSH terms and keywords related to GAD prevalence. No date restrictions were applied. Studies were eligible if they used nationally or regionally representative samples and

SUBMITTER: Yessimova D 

PROVIDER: S-EPMC12925687 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature