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The depression, anxiety and positive outlook scale (dapos)

Theodore Pincus, Sabrina Vogel, de C de Williams A, Adrian Field

Orthopaedic Proceedings, 2005

900 participants

Abstract

Study Design: To design and test a new questionnaire to assess depression and other mood states.Summary of Background Data: Measurement of depression and of other mood states in pain patients has been criticised in recent years on the grounds that most questionnaires were not developed in pain populations and suffer from criterion contamination by somatic items. In addition, there is no accepted measurement for positive emotions which are more than the absence of depression.Objective: To develop a reliable and brief tool to assess mood in pain patients.Method: Non-somatic items concerning depression, anxiety and positive outlook were extracted using exploratory factor analysis from commonly used instruments (Beck Depression Inventory and Hospital Anxiety and Depression Scale) completed by over 900 chronic pain patients. Confirmatory factor analysis was used to test the internal structure of the final item set. Items were then reworded and presented as a new questionnaire (the Depression, Anxiety and Posit...

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