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Evaluation of the psychometric characteristics of the Spanish version of the Hospital Anxiety and Depression Scale

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Quintana JM, Padierna A, Esteban C, Arostegui I, Bilbao A, Ruiz I. Evaluation of the psychometric characteristics of the Spanish Version of the Hospital Anxiety and Depression Scale.

Acta Psychiatr Scand 2003: 107: 216–221. © Blackwell Munksgaard 2003. Objective: 

To assess the psychometric properties of the Spanish version of the Hospital Anxiety and Depression Scale(HADS). Method:  

We administered HADS to 685 participants (256 controls and 429 patients with five different diagnoses). The reliability of the instrument was assessed by a test–retest study. Construct validity studies were carried out through item–subscale correlation and factor analysis for the whole group and by each of the five different diagnoses. Three instruments were used as external criteria to assess concurrent validity. Results: 

HADS test–retest reliability presented correlation coefficients above 0.85. The internal consistency was high, with a Cronbach's α of 0.86 (anxiety) and 0.86 (depression). Factor analysis showed a clear two-factor structure for all groups. The results showed high concurrent validity with the Beck Depression Inventory and State-Trait Anxiety Inventory and with the mental domains of the Short-Form Health Survey. Conclusion: 

The Spanish version of the HADS demonstrated good reliability and validity when used in medical patients.
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Keywords: Spain; anxiety disorder; depression disorder; psychometrics; quality of life; questionnaires

Document Type: Research Article

Affiliations: 1: Unidad de Investigación, Hospital de Galdakao, Bizkaia, Spain, 2: Servicio de Psiquiatría, Hospital de Galdakao, Bizkaia, Spain, 3: Servicio de Neumología, Hospital de Galdakao, Bizkaia, Spain and 4: Departamento de Matemática Aplicada, Estadística e Investigación Operativa, Universidad del País Vasco (U.P.V-E.H.U.), Bizkaia, Spain

Publication date: 2003-03-01

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