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Title: Screening for generalized anxiety disorder in Spanish primary care centers with the GAD-7.
Authors: Muñoz-Navarro, Roger
Cano-Vindel, Antonio
Moriana, Juan Antonio
Medrano, Leonardo Adrián
Ruiz-Rodríguez, Paloma
Agüero-Gento, Laura
Rodríguez-Enríquez, Mónica
Pizà, María Rosa
Ramírez-Manent, Jose Ignacio
Keywords: Computerized instruments;Criterion validity;GAD-7;Generalized anxiety disorder;Primary care;Screening
metadata.dc.subject.mesh: Adolescent
Anxiety Disorders
Diagnostic and Statistical Manual of Mental Disorders
Health Surveys
Mass Screening
Middle Aged
Predictive Value of Tests
Primary Health Care
Psychological Tests
Reference Values
Reproducibility of Results
Sensitivity and Specificity
Surveys and Questionnaires
Young Adult
Issue Date: 12-Jun-2017
Abstract: The aim of the study was to determine the criterion validity of a computerized version of the General Anxiety Disorder-7 (GAD-7) questionnaire to detect general anxiety disorder in Spanish primary care centers. A total of 178 patients completed the GAD-7 and were administered the Composite International Diagnostic Interview (CIDI) for DSM-IV Axis I Disorders, which was used as a reference standard. Sensitivity, specificity, positive and negative predictive values, and positive and negative likelihood ratios were calculated. A cut-off of 10 yielded a sensitivity of .87, a specificity of .78, a positive predictive value of .93, a negative predictive value of .64, a positive likelihood ratio of 3.96 a negative likelihood ratio of .17 and Younden's Index of .65. The GAD-7 performed very well with a cut-off value of 10, the most frequently used cut-off point. Thus, a computerized version of the GAD-7 is an excellent screening tool for detecting general anxiety disorder in Spanish primary care settings.
metadata.dc.identifier.doi: 10.1016/j.psychres.2017.06.023
Appears in Collections:Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)

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