Psychometric Properties of the Thai Herth Hope Index in Stroke Patients
Keywords:psychometric properties, validity, reliability, hope, stroke, Thai Herth Hope Index
Objectives: To investigate the psychometric properties, both validity and reliability, of the Thai version of the Herth Hope Index (Thai HHI) in stroke patients.
Study design: Descriptive study.
Setting: Department of Rehabilitation Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Subjects: Stroke patients attending the Department of Rehabilitation Medicine during December 2017 to August 2018.
Methods: After translation to Thai language and after assessing the Thai translation for content validity, 70 stroke patients were assessed by using the Thai HHI to determine construct validity and internal consistency. Forty of those same 70 patients were then reassessed one week later to determine test-retest relia- bility. Convergent and discriminant validity were assessed by evaluating the correlation between the Thai HHI and the Rosenberg Self-Esteem Scale (RSES) and the Patient Health Questionnaire (PHQ-9), respectively, by defining the Spearman’s correlation coefficient.
Results: The Thai HHI showed good content validity (CVI = 0.98), moderate convergent validity (r = 0.563), moderate discriminant validity (r = -0.545), acceptable internal consistency (Cronbach’s alpha = 0.794), and good test-retest reliability (ICC = 0.776).
Conclusion: The Thai HHI was found to have good to moderate psychometric properties as evidenced by good content validity, moderate construct validity, acceptable internal consistency, and good test-retest reliability. These findings suggest that the Thai HHI can be used to evaluate hope among Thai stroke patients.
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