Journal of Korean Academy of Nursing (대한간호학회지)

Korean Society of Nursing Science (한국간호과학회)
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Development and Psychometric Evaluation of the Ischemic Stroke Distress Scale (ISDS)

허혈성 뇌졸중 환자의 디스트레스 측정도구 개발 및 평가

  • Kang, Jaejin (Neuro Intensive Care Unit, The Catholic University of Korea, Seoul Saint Mary's Hospital) ;
  • Yoo, Yang-Sook (College of Nursing, The Catholic University of Korea)
  • 강재진 (가톨릭대학교 서울성모병원 신경계중환자실) ;
  • 유양숙 (가톨릭대학교 간호대학)
  • Received : 2022.08.09
  • Accepted : 2022.12.15
  • Published : 2023.02.28
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Abstract

Purpose: This study aimed to develop a scale to measure distress in patients with ischemic stroke and verify its validity and reliability. Methods: Preliminary items were developed from literature review and in-depth interviews. The final preliminary scale was confirmed through a content validity test of eight experts and a preliminary survey of 10 stroke patients. The participants for psychometric testing were 305 stroke patients in the outpatient clinic. Validity and reliability analyses included item analysis, exploratory and confirmatory factor analysis, convergent validity, known-group validity, and internal consistency of the scale. Results: The final scale consisted of 17 items and 3 factors. The three distinct factors were 'self-deprecation, worry about future health, and withdrawal from society' and this structure was validated using a confirmatory factor analysis. Convergent validity was supported by comparison with the Center for Epidemiologic Studies Depression Scale (r = .54, p < .001) and Brief Illness Perception Questionnaire (r = .67, p < .001). Known-groups validity was verified by dividing groups according to 'duration since diagnosis' (t = 2.65, p = .009), 'presence of sequela' (t = 10.16, p < .001), and 'awareness of distress' (t = 12.09, p < .001). The internal consistency of the scale using Cronbach's α for the total items was .93. Conclusion: The Ischemic Stroke Distress Scale is a valid and reliable tool that reflects stroke distress effectively. It is expected to be used as a basic tool to develop various intervention strategies to reduce distress in ischemic stroke patients.

Keywords

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