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Hospital Anxiety and Depression (HAD) scale: Factor structure, item analyses and internal consistency in a large population

The British Journal of Psychiatry · 2001 · Vol. 179(6) · pp. 540–544
Arnstein MykletunEystein StordalAlv A. Dahl

Abstract

Based on data from a large population, the basic psychometric properties of the HAD scale as a self-rating instrument should be considered as quite good in terms of factor structure, intercorrelation, homogeneity and internal consistency.

Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPerfectionism, Procrastination, Anxiety StudiesHealth, psychology, and well-beingCronbach's alphaAnxietyPsychologyPsychometricsRating scaleClinical psychologyPopulationScale (ratio)Internal consistencyExplained variation

MeSH terms

AdultAgedAged, 80 and overAnxiety DisordersMental DisordersDepressive DisorderFemaleHumansMaleMiddle AgedPsychiatric Status Rating ScalesPsychometricsReproducibility of Results

Funding

  • Norges Teknisk-Naturvitenskapelige Universitet
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