دورية أكاديمية

Assessment of patients' expectations: development and validation of the Expectation for Treatment Scale (ETS).

التفاصيل البيبلوغرافية
العنوان: Assessment of patients' expectations: development and validation of the Expectation for Treatment Scale (ETS).
المؤلفون: Barth J; Institute for Complementary and Integrative Medicine, University Hospital Zurich and University of Zurich, Zurich, Switzerland., Kern A; Institute for Complementary and Integrative Medicine, University Hospital Zurich and University of Zurich, Zurich, Switzerland., Lüthi S; Institute for Complementary and Integrative Medicine, University Hospital Zurich and University of Zurich, Zurich, Switzerland., Witt CM; Institute for Complementary and Integrative Medicine, University Hospital Zurich and University of Zurich, Zurich, Switzerland.; Institute for Social Medicine, Epidemiology and Health Economics, Charité, Berlin, Germany.; Center for Integrative Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
المصدر: BMJ open [BMJ Open] 2019 Jun 17; Vol. 9 (6), pp. e026712. Date of Electronic Publication: 2019 Jun 17.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't; Validation Study
اللغة: English
بيانات الدورية: Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101552874 Publication Model: Electronic Cited Medium: Internet ISSN: 2044-6055 (Electronic) Linking ISSN: 20446055 NLM ISO Abbreviation: BMJ Open Subsets: MEDLINE
أسماء مطبوعة: Original Publication: [London] : BMJ Publishing Group Ltd, 2011-
مواضيع طبية MeSH: Acupuncture Therapy*, Pain Management/*methods , Pain Measurement/*instrumentation , Patient Satisfaction/*statistics & numerical data , Self Report/*statistics & numerical data, Adult ; Cross-Sectional Studies ; Disability Evaluation ; Female ; Humans ; Male ; Middle Aged ; Pain Management/standards ; Patient Reported Outcome Measures ; Psychometrics
مستخلص: Objective: To develop a short self-report instrument for the assessment of expectations (Expectation for Treatment Scale(ETS)) using acupuncture as a case example.
Design: A cross-sectional assessment with retest after 1 week.
Setting: A web-based survey with patients suffering from pain.
Methods: In a three-step approach, we reduced the initially collected number of items from 17 to 9 and to 5, including expectations about coping ability, vitality, physical health and reduction of patient complaints. Items were selected according to internal consistency (Cronbach's alpha); convergent and divergent validities with related constructs (optimism, pessimism, resilience, perceived sensitivity to medicines, depression and others); 1-week retest reliability (intraclass correlation coefficient (ICC)); and exploratory and confirmatory factor analysis (CFA).
Results: A total of 102 patients suffering from pain were included, and 54 of these patients completed the retest assessment. The final version of the ETS consisted of five items and had an excellent Cronbach's alpha (0.90), with 72.33% variance on one single factor. Depression, pessimism and perceived sensitivity to medicines showed positive correlations with our expectation measure (r=0.23, r=0.20 and r=0.34, respectively); the correlation between the ETS and optimism was low (r=-0.07) and no correlation between the ETS and resilience was found (r=-0.07). Convergent validity was confirmed with a high correlation (r>0.90) between ETS and a treatment-specific measure of expectations. The retest ICC was 0.86, which showed high stability over 1 week. A CFA (n=439) with data from patients with low back pain confirmed the single-factor structure of the instrument.
Conclusion: The ETS showed strong psychometric properties and covered a distinct construct. As the next step, the ETS might be implemented in different clinical conditions and settings to investigate psychometrics and its predictive power for treatment outcomes.
Competing Interests: Competing interests: None declared.
(© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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فهرسة مساهمة: Keywords: acupuncture; assessment; expectations; optimism; pain; placebo
تواريخ الأحداث: Date Created: 20190620 Date Completed: 20200617 Latest Revision: 20200617
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC6585827
DOI: 10.1136/bmjopen-2018-026712
PMID: 31213446
قاعدة البيانات: MEDLINE
الوصف
تدمد:2044-6055
DOI:10.1136/bmjopen-2018-026712