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- Title
Demonstrating the psychometric properties of a problem-related distress screener in a community sample of 319 cancer survivors.
- Authors
Miller, Melissa F.; Buzaglo, Joanne S.; Clark, Karen L.; Loscalzo, Matthew J.; Kennedy, Victoria; Taylor, Julie; Dougherty, Kasey Ryan; Golant, Mitch
- Abstract
Objective The purpose was to test the psychometric properties of a 36-item community-based problem-related distress screening tool, among 319 cancer survivors recruited across 14 affiliates of the Cancer Support Community. Methods Internal reliability was estimated using Cronbach's alpha coefficient. Test-retest reliability was assessed using the intra-class correlation coefficient (ICC). Concurrent validity was determined by correlations with the Functional Assessment of Cancer Therapy-General Well-Being Scale (FACT-G), the Center for Epidemiologic Studies Depression Scale (CES-D), and the Distress Thermometer (DT) and receiver operating characteristic (ROC) curve analysis using the CES-D (≥16) and DT (≥4) as the criterion. Non-parametric analysis of variance was used to establish discriminant validity. Results The distress screener demonstrated high internal consistency (Cronbach's alpha = 0.91) and strong test-retest reliability (ICC ≥ 0.75). Summary scores of the distress screener correlated substantially with the FACT-G ( R2 = 0.58, p < 0.001), CES-D ( R2 = 0.48, p < 0.001), and DT ( R2 = 0.35, p < 0.001) indicating strong concurrent validity and were able to discriminate groups of clinical relevance. ROC analyses showed a cutoff score of 8 for problem items rated ≥3 had optimal sensitivity and specificity relative to the CES-D and DT. Conclusions The distress screener shows strong psychometric properties and can be considered a valuable community-based instrument to screen for psychological distress related to social, emotional, physical, and other patient-related symptoms and problems. This study is the first to address the chasm between hospital and community-based screening by validating a community-based instrument and has begun to demonstrate the feasibility of screening in the community. Copyright © 2012 John Wiley & Sons, Ltd.
- Subjects
COMMUNITY life; PSYCHOMETRICS; CANCER patients; PSYCHOLOGICAL distress; PHYSIOLOGICAL stress
- Publication
Psycho-Oncology, 2013, Vol 22, Issue 6, p1249
- ISSN
1057-9249
- Publication type
Article
- DOI
10.1002/pon.3124