Psychometric study of the Chinese version of the Worker Role Interview for Persons with Psychiatric Disorder in Taiwan.
Date Issued
2010
Date
2010
Author(s)
Ko, Wei-Ting
Abstract
Introduction: The Worker Role Interview (WRI) is a semi-structured interview rating scale developed based on the Model of Human Occupation. The WRI can be used to evaluate the psychosocial and environmental components related to return to work for those persons with injury or chronic disease or disability. The worker role interview contains six content areas including personal causation, interest, value, habit, role and environment, totaled as 16 items.
Objectives: The purposes of this study Included: to translate the worker role interview into Chinese according to two-stage translation procedure; to examine the reliability and validity of the Chinese version of the worker role interview.
Method: We adapted “Forward translation”, “Back translation” and “Committee approach” to arrive at the final Chinese version. For the test of the psychometric qualities of the worker role interview, one hundred subjects with mental illness were recruited to participate in the study. The National Taiwan Hospital Syndrome Scale(NTUSC), World Health Organization Quality of Life BREF Taiwan version(WHOQOLBREF-TW), Occupational Self Assessment(OSA), Beck Depression Invetory II(BDI-II), Canadian Occupational Performance Measure(COPM), Model of Human Occupation Screening Tool(MOHOST) and Volition Questionnaire (VQ) were used to investigate the concurrent validity of the worker role interview. A set of forty subjects within the whole sample were tested for the test retest reliability study.
Data analysis: Comfirmatory factor analysis and Rasch analysis were used to examine the construct validity of the scale. Correlational analysis was applied for concurrent validity. Intraclass correlation coefficient and weighted kappa were utilized for test retest reliability. Finally, the analysis of variance was used for known group validity. We applied the SAS (version 9.0), Amos (version 7.0) and WINSTEPS (version 3.56) computer programs for data analysis.
Results: The WRI-C contains volition, habituation and environment domains. Except for environmental domain which needs to be modified in the future to fit the measurement model, volition and habituation domains demonstrated qualitity of unidimentionality.The test-retest reliability of the WRI-C is acceptable. The concurrent validity of the volitional and habituation domains of the WRI-C were supported by its significantly moderate to high correlation with related masures. Finally, there were significant differences of the two domains of the WRI-C among three groups of persons with varying level of functioning which supported the known group validity of the WRI-C.
Subjects
Worker Role Interview
Model of Human Occupation
Rasch analysis
psychiatric disorder
psychometric property
SDGs
Type
thesis
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