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Title: A Thai version of the Michigan hand questionnaire (Thai MHQ): an investigation of the psychometric properties
Authors: Pichitchai Atthakomol
Worapaka Manosroi
Saran Sanguanrungsirikul
Siraphop Punoppamas
Sirapat Benjachaya
Siam Tongprasert
Tinakon Wongpakaran
Keywords: Medicine
Issue Date: 22-Sep-2020
Abstract: BACKGROUND: The Michigan Hand Questionnaire (MHQ) is widely used to assess the hand/wrist conditions. We translated the original version into Thai (Thai MHQ) and evaluated its psychometric properties. METHODS: After receiving permission, the original MHQ was translated and cross-culturally adapted to Thai following standard guidelines. Two hundred and seventeen patients who had hand/wrist injuries or disorders were included in the study. Internal consistency was evaluated using Cronbach's alpha. Test-retest reliability was analyzed using the intraclass correlation coefficient (ICC). Spearman's rank correlation among the subscales of Thai MHQ, Thai DASH and Thai EQ-5D-5L and also confirmatory factor analysis (CFA) were used to explore construct validity. The standardized response mean (SRM) was used to evaluate the responsiveness of the Thai MHQ. RESULTS: All subscales showed an acceptable Cronbach's alpha (0.79-0.98). The test-retest reliability of each subscale was good (ICC = 0.83-0.95). In related dimensions, strong correlation was demonstrated between the Activities of daily living subscale of the Thai MHQ and the Common activities subscale in the Thai DASH (r = 0.77, P < 0.0001). For unrelated dimensions, a weak correlation was found between the Aesthetics subscale in the Thai MHQ and the Mobility subscale in the Thai EQ-5D-5L (r = - 0.13, P = 0.05). The Thai MHQ had strong correlation with Thai DASH (r = - 0.79, P < 0.0001) and Thai EQ-5D-5L (r = 0.63, P < 0.0001). CFA showed that the 6-factor model demonstrated an acceptable fit to the data. The SRM of the Thai MHQ was 0.78, indicating relatively large responsiveness. The MIC of Thai MHQ using distribution methods (SEM) was 5.2. CONCLUSIONS: The Thai MHQ provides adequate internal consistency in all subscales as well as good construct validity and reliability for Thai patients and a relatively large standardized response mean at 2 months after treatment.
ISSN: 14777525
Appears in Collections:CMUL: Journal Articles

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