Cited by 102Palliative and Oncologic CarePalliative Care and End-of-Life IssuesCancer survivorship and care

Initial Validation of the Death and Dying Distress Scale for the Assessment of Death Anxiety in Patients With Advanced Cancer

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Krause, Sandra, Rydall, Anne, Hales, Sarah, Rodin, Gary, Lo, Chris·2015·Journal of Pain and Symptom Management

Abstract

Context The experience of death anxiety in patients with advanced cancer has been understudied partly because of the lack of a tailored measure for this population. The Death and Dying Distress Scale (DADDS) was constructed to address this gap. Although an initial version of this instrument has shown promising psychometric properties, validation of the finalized version is needed. Objectives This study aims to validate the recent 15-item DADDS by examining its factor structure and construct validity. Methods Sixty participants with advanced or metastatic cancer were recruited from the Princess Margaret Cancer Centre, University Health Network, Toronto, Canada, into a pilot trial of a psychological intervention. This article analyzes the baseline measures on death anxiety, depressive symptoms (Patient Health Questionnaire-9, Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision, Axis 1 Disorders), generalized anxiety (Generalized Anxiety Disorder-7), and preparation for end of life (Quality of Life at the End of Life-Cancer Scale). Exploratory factor analysis was conducted. Construct validity was assessed by correlations between measures. Results Factor analysis revealed a dominant single factor explaining more than 75% of the shared variation between items. Factor loadings were high, ranging from 0.57 to 0.86. Item communalities were evenly ranged from 0.33 to 0.75 and with the 15:1 variable to factor ratio, suggest the viability of parameter estimates despite the small sample size. Cronbach's alpha was 0.95. Death anxiety was associated with less preparation for end of life (r = -0.68, P < 0.0001), more generalized anxiety (r = 0.63, P < 0.0001), and more depressive symptom severity (r = 0.50, P < 0.0001). Individuals with major depression had greater death anxiety than the nondepressed (mean difference = 17; 95% CI = 1.5-33), as did individuals with minor depression (mean difference = 25; 95% CI = 10-41). Conclusion The DADDS is a valid measure of death anxiety in patients with advanced cancer. It may provide useful information in the assessment and treatment of distress in patients near the end of life.

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Authors
Krause, S., Rydall, A., Hales, S., Rodin, G., & Lo, C.
Affiliations
University Health Network (CA)
Venue
Journal of Pain and Symptom Management
Publisher
Elsevier BV
Published
2015-01
Volume
49
Issue
1
Pages
126-134
ISSN
0885-3924 (ISSN-L)
OpenAlex
W2058150514
Cited by
102
References
49
Citations by year
2026: 11 · 2025: 11 · 2024: 9 · 2023: 11 · 2022: 13 · 2021: 7 · 2020: 10 · 2019: 5 · 2018: 7 · 2017: 5 · 2016: 8 · 2015: 4 · 2014: 1
FWCI
5.52
Type
journal article
Language
en
Open access
Locations
  • Journal of Pain and Symptom Management (publishedVersion)
  • PubMed (publishedVersion)
  • ResearchOnline at James Cook University (James Cook University) (submittedVersion)
  • TSpace (University of Toronto) (submittedVersion, cc-by-nc-nd)
Funders
  • University Health Network Department of Psychiatry
  • Canadian Institutes of Health Research (CIHR #MOP 106473)
  • Princess Margaret Cancer Foundation Hertz Center Fund
  • Campbell Family Cancer Research Institute
  • Ontario Ministry of Health and Long Term Care
  • University of Toronto/University Health Network Harold
  • Shirley Lederman Chair in Psychosocial Oncology and Palliative Care
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Palliative and Oncologic Care
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Palliative Care and End-of-Life Issues
  • Health Sciences › Medicine › Oncology › Cancer survivorship and care
Keywords
fear of death, advanced cancer, end-of-life care, psychometric validation, factor structure, construct validity, depressive symptoms, generalized anxiety disorder, end-of-life preparation
MeSH terms
Adult, Aged, Aged, 80 and over, Anxiety, Attitude to Death, Factor Analysis, Statistical, Female, Humans, Male, Middle Aged, Neoplasms, Palliative Care, Psychometrics

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